Accessories Entertainment 11-1 Entertainment±½车论坛免费资料第三期/卡迪拉克/acce-03.pdf · Radio/Audio System Schematics (Power, Ground, Serial Data and Audio Signal

Entertainment

Specifications

SIE-ID = 812744 Owner = arusse01 LMD = 24-jun-2002 LMB = arusse01

Fastener Tightening Specifications

Application

Specification

Metric English

Amplifer Mounting Bolts 9 N·m 80 lb in

Front Door Speaker Mounting Screws 2 N·m 18 lb in

Front I/P Speaker Mounting Screws 2 N·m 18 lb in

Microphone Mounting Screws 2 N·m 18 lb in

Radio Mounting Bolts 9 N·m 80 lb in

Rear Door Speaker Mounting Screws 2 N·m 18 lb in

Rear Speaker Mounting Screws 9 N·m 80 lb in

TV Antenna Mounting Screws 2 N·m 18 lb in

TV Antenna Module Mounting Screws 2 N·m 18 lb in

Accessories Entertainment 11-1

2004 - D Car (October 9, 2003)

Schematic and Routing Diagrams

SIE-ID = 1335074 Owner = jsumme01 LMD = 22-may-2003 LMB = jsumme01

Entertainment Schematic IconsIcon Icon Definition

19386

Caution: SIO-ID = 705 LMD = 09-nov-1999 This vehicle is equipped with aSupplemental Inflatable Restraint (SIR) System. Failure to follow the correctprocedure could cause the following conditions:

• Air bag deployment• Personal injury• Unnecessary SIR system repairs

In order to avoid the above conditions, observe the following guidelines:• Refer to SIR Component Views in order to determine if you are performing

service on or near the SIR components or the SIR wiring.• If you are performing service on or near the SIR components or the SIR wiring,

disable the SIR system. Refer to Disabling the SIR System in SIR.

296880

Important: Twisted-pair wires provide an effective ″shield″ that helps protect sensitiveelectronic components from electrical interference. If the wires were covered withshielding, install new shielding.In order to prevent electrical interference from degrading the performance of theconnected components, you must maintain the proper specification when making anyrepairs to the twisted-pair wires shown:

• The wires must be twisted a minimum of 9 turns per 31 cm (12 in) as measuredanywhere along the length of the wires.

• The outside diameter of the twisted wires must not exceed 6.0 mm (0.2 in).

11-2 Entertainment Accessories

2004 - D Car (October 9, 2003)

Radio/Audio System Schematics (Power, Ground, Serial Data and Audio Signal Communication) SIE-ID = 1227187 SIO-ID = 1226204 LMD =

02-jun-2003

1326589

Accessories

Entertainm

ent11-3

2004-

DC

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ctober9,

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Radio/Audio System Schematics (Radio Antenna Module and Antennas) SIE-ID = 1227187 SIO-ID = 1226205 LMD = 02-jun-2003

1326590

11-4E

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Accessories

2004-

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Radio/Audio System Schematics (Digital Radio Receiver (U2K/U2L)) SIE-ID = 1227187 SIO-ID = 1226206 LMD = 02-jun-2003

1326591

Accessories

Entertainm

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Radio/Audio System Schematics (Speakers (U66)) SIE-ID = 1227187 SIO-ID = 1226208 LMD = 02-jun-2003

1326593

11-6E

ntertainment

Accessories

2004-

DC

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Radio/Audio System Schematics (Speakers (U57)) SIE-ID = 1227187 SIO-ID = 1226210 LMD = 02-jun-2003

1326594

Accessories

Entertainm

ent11-7

2004-

DC

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2003)


2004 - D Car (October 9, 2003)

SIE-ID = 1227189 Owner = jsumme01 LMD = 21-jan-2003 LMB = jschro01


2004 - D Car (October 9, 2003)

Steering Wheel Controls Schematics

1317474

11-10E

ntertainment

Accessories

2004-

DC

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2003)

Component LocatorEntertainment Component ViewsSIE-ID = 1228048 Owner = jsumme01 LMD = 05-aug-2003 LMB = jsumme01

Legend

(1) Speaker Connector-Rear(Subwoofer) (w/U57)

(2) Speaker-Rear (Subwoofer) (w/U57)(3) Rear Shelf Carrier(4) Door-RR, LR Similar(5) Door Speaker Connector-RR, LR Similar(6) Door Speaker-RR, LR Similar

(7) Door Speaker-RF (Midrange)(8) Door Speaker Connector-RF (Midrange)(9) Door-RF –LF Similar

(10) Sunload Sensor Assmebly(11) Defroster Grille(12) Speaker-Front (Midrange)

Speakers SIO-ID = 808895 LMD = 24-jun-2002

801198


2004 - D Car (October 9, 2003)

Legend

(1)

Speaker – RR Door SIO-ID = 1364265 LMD = 05-aug-2003

1348833


2004 - D Car (October 9, 2003)

Legend

(1) Radio Antenna Module Snap Connector(2) Radio Antenna Module Snap Connectors C2

and C3(3) Radio Antenna Module C1(4) Radio Antenna Module(5) Radio Antenna Module Coax Connection to

the Rear Window Antenna

(6) Radio Antenna Module Coax Connection tothe Radio

(7) Upper Speaker Connector-LF, RF Similar(8) Upper Speaker-LF, RF Similar(9) Driver Windshield Pillar Trim (pulled away

from the pillar)

Antennas SIO-ID = 808896 LMD = 24-jun-2002

801200


2004 - D Car (October 9, 2003)

Legend

(1) Radio Antenna Module Connector(2) Radio Antenna Module(3) Antenna COAX

(4) Antenna COAX(5) FM Antenna COAX Connector to Rear Glass(6) AM Antenna COAX Connector to Rear Glass

Radio Antenna Module SIO-ID = 1364266 LMD = 05-aug-2003

1348834


2004 - D Car (October 9, 2003)

Legend

(1) Digital Radio Antenna Connectors (U2K/U2L)(2) Radio Antenna Module

(3) Digital Radio Antenna Fastener (U2K/U2L)(4) Inner Rear Roof Rail

Digital Radio Antenna Connections (U2K/U2L) SIO-ID = 1364267 LMD = 05-aug-2003

1348836


2004 - D Car (October 9, 2003)

Legend

(1) Speaker – Rear Subwoofer (2) Digital Radio Receiver (U2K/U2L)

Digital Radio Receiver (U2K/U2L) SIO-ID = 1364268 LMD = 05-aug-2003

1348837


2004 - D Car (October 9, 2003)

Legend

(1) Digital Radio Antenna (U2K/U2L)

Digital Radio Antenna (U2K/U2L) SIO-ID = 1364269 LMD = 05-aug-2003

1348839


2004 - D Car (October 9, 2003)

Legend

(1) Traffic Information Receiver (Export w/U2X)and COAX Cable

(2) TV Antenna Amplifier (Export w/U2Y/U2X)and COAX Cable

(3) Back Glass Radio Antenna Grid

(4) Rear Window Defogger Grid(5) Ground – G304(6) Rear Window Defogger Connector C2

Traffic Information Receiver (Export w/U2X) and TV Antenna Amplifier (Export w/U2Y/U2X) SIO-ID =

1364270 LMD = 05-aug-2003

1348840


2004 - D Car (October 9, 2003)

Legend

(1) Speaker – Rear Subwoofer(2) Traffic Information Receiver (Export w/U2X)

Connector

(3) TV Antenna Module (Export w/U2X/U2Y)(4) TV Antenna Module (Export w/U2X/U2Y)

Connector

TV Antenna Module (Export w/U2X/U2Y) and Traffic Information Receiver (Export w/U2X) SIO-ID =

1364273 LMD = 05-aug-2003

1348842


2004 - D Car (October 9, 2003)

Legend

(1) Traffic Antenna Amplifier (Export w/U2X)(2) TV Antenna Amplifier (Export w/U2Y/U2X)(3) Traffic Information Receiver (Export w/U2X)

Connector(4) Speaker – Rear Subwoofer

(5) Navigation Antenna (Export w/U2X)(6) Rear Integration Module (RIM)(7) Traffic Information Receiver (Export w/U2X)(8) TV Antenna Module (Export w/U2Y/U2X)

Rear Package Shelf – Export SIO-ID = 1364275 LMD = 05-aug-2003

1348845


2004 - D Car (October 9, 2003)

Legend

(1) Radio(2) Amplifier Connectors (w/UX80(3) Amplifier (w/UX8)(4) Amplifier C3 (w/UX8)(5) Electrical Harness Pass-through(6) Amplifier (w/U57)

(7) Amplifier Connectors (w/U57)(8) Amplifier C3 (w/U57)(9) Speaker-Rear (Subwoofer) (w/U57)

(10) T.V. Tuner(11) Traffic Information Receiver(12) T.V. Tuner Amplifiers

Radio and Amplifier SIO-ID = 808897 LMD = 24-jun-2002

801201


2004 - D Car (October 9, 2003)

Entertainment Connector End ViewsSIE-ID = 1228049 Owner = jsumme01 LMD = 29-sep-2003 LMB = jsumme01

Audio Amplifier C1 (U66)

35456

Connector PartInformation

• 12064749• 2-Way F Metri-Pack

480 Series (BK)

PinWire

ColorCircuit

Number Function

A BK/WH 851 Ground

B RD/BK 1242 Battery Positive Voltage


73152


• 12084945• 16-Way F Micro-Pack

100 Series (GY)

PinWire

ColorCircuit

Number Function

A1–A2 — — Not Used

A3 D-GN 1953 Right Front MidrangeSpeaker Output (-)

A4 OG 1853 Right Front MidrangeSpeaker Output (+)

A5 OG 1955 Right Rear MidrangeSpeaker Output (-)

A6 TN 1855 Right Rear MidrangeSpeaker Output (+)

A7 WH 1959 Left Rear MidrangeSpeaker Output (-)

A8 TN 1859 Left Rear MidrangeSpeaker Output (+)

Audio Amplifier C2 (U66) (cont’d)

73152



100 Series (GY)

PinWire

ColorCircuit

Number Function

B1 D-BU 658 Cellular TelephoneVoice Signal (UE1)

B2 L-BU/BK 659Cellular TelephoneVoice LowReference (UE1)

B3–B8 — — Not Used


130690



100 Series (L-BU)

PinWire

ColorCircuit

Number Function

A1 PU 1952 Right Front TweeterSpeaker Output (-)

A2 L-GN 1852 Right Front TweeterSpeaker Output (+)

A3 TN 1856 Left Front TweeterSpeaker Output (+)

A4 YE 1956 Left Front TweeterSpeaker Output (-)

A5 D-BU 1857 Left Front MidrangeSpeaker Output (+)

A6 L-BU 1957 Left Front MidrangeSpeaker Output (-)


2004 - D Car (October 9, 2003)


130690



100 Series (L-BU)

PinWire

ColorCircuit

Number Function

A7 D-BU/WH 346Rear SubwooferSpeaker Coil 1Output (+)

A8 L-GN/BK 1794Rear SubwooferSpeaker Coil 1Output (-)

A9 D-GN 1795Rear SubwooferSpeaker Coil 2Output (+)

A10 L-BU/BK 315Rear SubwooferSpeaker Coil 2Output (-)

A11–A12 — — Not Used


B4 L-GN 1948 Right Low Level AudioSignal (-)

B5 L-GN 512 Right Low Level AudioSignal (+)

B6 D-GN 1947 Left Low Level AudioSignal (-)

B7 TN 511 Left Low Level AudioSignal (+)


B11 PU 1807 Class 2 Serial Data

B12 — — Not Used


73158



280 Series, Flexlock (GY)

PinWire

ColorCircuit

Number Function

A BK/WH 851 Ground

B D-BU/WH 346 Rear SubwooferSpeaker Output (+)

C–F — — Not Used

G L-GN/BK 1794 Rear SubwooferSpeaker Output (-)

H RD/BK 1242 Battery Positive Voltage


130690



100 Series (L-BU)

PinWire

ColorCircuit

Number Function

A1 — — Not Used

A2 WH 1959 Left Rear MidrangeSpeaker Output (-)

A3 TN 1859 Left Rear MidrangeSpeaker Output (+)

A4 TN 1856 Left Front TweeterSpeaker Output (+)

A5 YE 1956 Left Front TweeterSpeaker Output (-)

A6 L-BU 1960 Front Center SpeakerOutput (-)


2004 - D Car (October 9, 2003)


130690



100 Series (L-BU)

PinWire

ColorCircuit

Number Function

A7 YE 1860 Front Center SpeakerOutput (+)

A8 PU 1952 Right Front TweeterSpeaker Output (-)

A9 L-GN 1852 Right Front TweeterSpeaker Output (+)

A10 TN 1855 Right Rear MidrangeSpeaker Output (+)

A11 OR 1955 Right Rear MidrangeSpeaker Output (-)

A12 L-BU/BK 659Cellular TelephoneVoice LowReference (UE1)


B8 L-GN 1948 Right Low Level AudioSignal (-)

B9 D-GN 1947 Left Low Level AudioSignal (-)

B10 TN 511 Left Low Level AudioSignal (+)

B11 L-GN 512 Right Low Level AudioSignal (+)

B12 D-BU 658 Cellular TelephoneVoice Signal (UE1)


280764



100 Series (BK)

PinWire

ColorCircuit

Number Function

5 — — Not Used

6 PU 1807 Class 2 Serial Data

7 BARE 1489 Drain Wire

8 D-GN 1488Noise CompensationMicrophone SupplyVoltage

9 WH 5343 Navigation Audio Signal(-) (UAV/U2X/U2Y)

10 YE 5342 Navigation Audio Signal(+) (UAV/U2X/U2Y)

Digital Radio Receiver (U2K/U2L)

850856


• 15394150• 16-Way F Micro 64 (BK)

PinWire

ColorCircuit

Number Function

1 — — Not Used

2 TN/WH 372 Audio Common

3 BN/WH 367 Left Audio Signal (+)

4–8 — — Not Used

9 BK 850 Ground

10 D-GN/WH 368 Right Audio Signal (+)

11–14 — — Not USed


2004 - D Car (October 9, 2003)

Digital Radio Receiver (U2K/U2L) (cont’d)

850856


• 15394150• 16-Way F Micro 64 (BK)

PinWire

ColorCircuit

Number Function


16 RD/WH 2240 Battery Positive Voltage

Noise Compensation Microphone (U57)

35441


• 12047663• 2-Way M Metri-Pack

150 Series (BK)

PinWire

ColorCircuit

Number Function

A BARE 1489 Drain Wire

B D-GN 1488Noise CompensationMicrophone SupplyVoltage

Radio C1

815047


• 30220700• 20-Way F DCS-2 Tri-Color

(YE/GN/BU)

PinWire

ColorCircuit

Number Function

1 — — Not Used

2 BARE 5344 Drain Wire(UAV/U2X/U2Y)

3 — — Not Used

4 YE 5342 Navigation Audio Signal(+) (UAV/U2X/U2Y)

5 OG 1544 Information Up SwitchSignal (LY9/LA3/LY7)

6PK 5149 Cellular Microphone

Signal (UAV)

GY 655 Cellular MicrophoneSignal (U2Y/U2X)

7 — — Not Used


9PK/BK 5152 Cellular Microphone Low

Reference (UAV)

BARE 1782 Drain Wire (U2Y/U2X)

10 — — Not Used


12 PK 1545Information DownSwitch Signal(LY9/LA3/LY7)

13 D-BU 1796 Steering Wheel ControlsSignal (LY9/LA3/LY7)

14 D-GN 5142 Modem Tx (UAV)(Not Used)

15 — — Not Used

16 WH 5343 Navigation Audio Signal(-) (UAV/U2X/U2Y)

17 L-BU 5141 Modem Rx (UAV)(Not Used)

18 — — Not Used

19 OG 1486 FM Composite Signal

20 YE/BK 5143 Modem Ground (UAV)(Not Used)


2004 - D Car (October 9, 2003)

Radio C2

895622


• 963121-1• 8-Way F Junior Timer

Type (BN)

PinWire

ColorCircuit

Number Function

1 — — Not Used


3 L-GN 512 Right Low Level AudioSignal (+)

4 L-GN 1948 Right Low Level AudioSignal (-)

5 TN 511 Left Low Level AudioSignal (+)

6 D-GN 1947 Left Low Level AudioSignal (-)

7 BN 818 Vehicle Speed Signal(UAV/U2X/U2Y)


Radio C3

895623



Type (GY)

PinWire

ColorCircuit

Number Function

1 BN/WH 367 Left Audio Signal (+)(U2K/U2L)

2 PU 1375Remote Radio ControlSupply Voltage(LY9/LA3/LY7)

Radio C3 (cont’d)

895623



Type (GY)

PinWire

ColorCircuit

Number Function

3 D-GN/WH 368 Right Audio Signal (+)(U2K/U2L)

4 TN/WH 372 Audio Common(U2K/U2L)

5 PK 5165 SW Antenna Enable(Export w/U2X)

6 BARE 5324 Drain Wire (U2K/U2L)


8 BK/WH 851 Ground

Radio C4 (Export w/U2X/U2Y)

815050


• 39-01-2295• 22-Way F Mini-Fit Jr. (WH)

PinWire

ColorCircuit

Number Function

1–5 — — Not Used

6 OR 2047 Video Red Signal (+)

7 TN 5146 Video Red Signal (-)

8 D-BU 2048 Video Green Signal (+)

9 BN 5145 Video Green Signal (-)

10 D-GN 2049 Video Blue Signal (+)

11 GY 5144 Video Blue Signal (-)

12–14 — — Not Used


2004 - D Car (October 9, 2003)

Radio C4 (Export w/U2X/U2Y) (cont’d)

815050


• 39-01-2295• 22-Way F Mini-Fit Jr. (WH)

PinWire

ColorCircuit

Number Function

15 BN 2355Navigation DisplaySerial Data Low (Japanw/U2X)

16 OG 2354Navigation DisplaySerial Data High (Japanw/U2X)

17–19 — — Not Used

20 L-GN 2045 Video SynchronizationSignal (+)

21 TN/BK 5147 Video SynchronizationSignal (-)

22 — — Not Used

Radio Antenna Module

890598


• 12186246• 3-Way F Micro-Pack (WH)

PinWire

ColorCircuit

Number Function


2 OG 1486 FM Composite Signal


Radio Antenna Module COAX 1

892525


• 2084-MSSB - Antaya• 1-Way F Snap

Connector (BK)

PinWire

ColorCircuit

Number Function

1 YE/BK 5166 Rear Antenna Signal

Radio Antenna Module COAX 2

892525


• 2084-MSSB - Antaya• 1-Way F Snap

Connector (BK)

PinWire

ColorCircuit

Number Function

1 PU 218 Keyless Entry AntennaSignal


2004 - D Car (October 9, 2003)

Speaker – Front Center (U57)

82383


• 12047662• 2–Way F Metri-Pack

150 Series (BK)

PinWire

ColorCircuit

Number Function

A L-BU 1960 Front Center SpeakerOutput (-)

B YE 1860 Front Center SpeakerOutput (+)

Speaker – Left A Pillar Tweeter (U57)

82383



150 Series (BK)

PinWire

ColorCircuit

Number Function

A YE 1956 Left Front TweeterSpeaker Output (-)

B TN 1856 Left Front TweeterSpeaker Output (+)

Speaker – Left A Pillar Tweeter (U66)

280768



150 Series (BK)

PinWire

ColorCircuit

Number Function

A YE 1956 Left Front TweeterSpeaker Output (-)


Speaker – Right A Pillar Tweeter (U57)

82383



150 Series (BK)

PinWire

ColorCircuit

Number Function

A PU 1952 Right Front TweeterSpeaker Output (-)

B L-GN 1852 Right Front TweeterSpeaker Output (+)


2004 - D Car (October 9, 2003)

Speaker – Right A Pillar Tweeter (U66)

280768



150 Series (BK)

PinWire

ColorCircuit

Number Function



Speaker – LF Door (U57)

280768



150 Series (BK)

PinWire

ColorCircuit

Number Function

A YE 1956 Left Front TweeterSpeaker Output (+)


Speaker – LF Door (U66)

130687



150 Series (WH)

PinWire

ColorCircuit

Number Function

A L-BU 1957 Left Front MidrangeSpeaker Output (-)

B D-BU 1857 Left Front MidrangeSpeaker Output (+)

Speaker – RF Door (U57)

280768



150 Series (BK)

PinWire

ColorCircuit

Number Function




2004 - D Car (October 9, 2003)

Speaker – RF Door (U66)

130687



150 Series (WH)

PinWire

ColorCircuit

Number Function

A D-GN 1953 Right Front MidrangeSpeaker Output (-)

B OG 1853 Right Front MidrangeSpeaker Output (+)

Speaker – LR Door

280768



150 Series (BK)

PinWire

ColorCircuit

Number Function

A WH 1959 Left Rear MidrangeSpeaker Output (-)

B TN 1859 Left Rear MidrangeSpeaker Output (+)

Speaker – RR Door

280768



150 Series (BK)

PinWire

ColorCircuit

Number Function

A OG 1955 Right Rear MidrangeSpeaker Output (-)

B TN 1855 Right Rear MidrangeSpeaker Output (+)

Speaker – Rear Subwoofer (U57)

39667


• 12129136• 4–Way F Metri-Pack

280 Series Flexlock (BK)

PinWire

ColorCircuit

Number Function

A D-BU/WH 346 Rear SubwooferSpeaker Output (+)

B L-GN/BK 1794 Rear SubwooferSpeaker Output (-)

C–D — — Not Used


2004 - D Car (October 9, 2003)

Speaker – Rear Subwoofer (U66)

130637



150 Series (BK)

PinWire

ColorCircuit

Number Function

A L-GN/BK 1794Rear SubwooferSpeaker Coil 1Output (-)

B D-BU/WH 346Rear SubwooferSpeaker Coil 1Output (+)

C L-BU/BK 315Rear SubwooferSpeaker Coil 2Output (-)

D D-GN 1795Rear SubwooferSpeaker Coil 2Output (+)

Steering Wheel Controls – Left(LY9/LA3/LY7)

605502


• 50-57-9404• 4-Way F Molex (BK)

PinWire

ColorCircuit

Number Function

1 D-BU 1375 Remote Radio ControlSupply Voltage

2 D-BU 1796 Steering Wheel ControlsSignal

3 YE 1491 Backlight Lamps Control

4 BK 350 Ground

Steering Wheel Controls – Left (LS6)

605502


• 50-57-9404• 4-Way F Molex (BK)

PinWire

ColorCircuit

Number Function

1 BK 351 Ground

2 BK 350 Ground


4 OG/BK 5201 Steering Wheel ControlsSignal

Steering Wheel Controls – Right(LY9/LA3/LY7)

1333392


• 50-57-9407• 7-Way F Molex (BK)

PinWire

ColorCircuit

Number Function


2 BK 350 Ground

3 OG 1544 Information Up SwitchSignal

4 PK 1545 Information DownSwitch Signal

5 PU 1375 Remote Radio ControlSupply Voltage

6 D-BU 1375 Remote Radio ControlSupply Voltage

7 D-BU 1796 Steering Wheel ControlsSignal


2004 - D Car (October 9, 2003)

Steering Wheel Controls – Right (LS6)

1333392


• 50-57-9407• 7-Way F Molex (BK)

PinWire

ColorCircuit

Number Function

1 PK 339 Ignition 1 Voltage

2 OG 87Cruise ControlResume/Accel SwitchSignal

3 PU 84 Cruise ControlSet/Coast Switch Signal

4 PK 397 Cruise Control OnSwitch Signal

5 BK 350 Ground


7 — — Not Used


2004 - D Car (October 9, 2003)

Diagnostic Information and ProceduresDiagnostic Starting Point - EntertainmentSIE-ID = 629547 Owner = mmchen01 LMD = 05-may-2000 LMB = tdedvu01

Begin the system diagnosis with the Diagnostic SystemCheck - Radio/Audio System on page 11-33. TheRadio/Audio System Diagnostic System Checkwill provide the following information:

• The identification of the control module(s) whichcommand the system.

• The ability of the control module(s) tocommunicate through the serial data circuit.

• The identification of any stored diagnostic troublecodes (DTCs) and their status.

The use of the Radio/Audio System DiagnosticSystem Check will identify the correct procedure fordiagnosing the system and where the procedureis located.

Diagnostic System Check - Radio/AudioSystemSIE-ID = 784537 Owner = mmchen01 LMD = 28-oct-2002 LMB = klynch01

Test DescriptionThe numbers below refer to the step numbers on thediagnostic table.

2. Lack of communication may be due to a partialmalfunction of the class 2 serial data circuit ordue to a total malfunction of the class 2 serial datacircuit. The specified procedure will determinethe particular condition.

4. The symptom list in Symptoms will determine thecorrect diagnostic procedure to use.

5. The presence of DTCs which begin with “U”indicate some other module is not communicating.The specified procedure will compile all theavailable information before tests are performed.

Diagnostic System Check - Radio/Audio SystemStep Action Yes No

1

1. Install a scan tool.2. Turn ON the ignition, with the engine OFF.

Does the scan tool power up? Go to Step 2

Go to Scan Tool DoesNot Power Up on

page 8-27 in Data LinkCommunications

2

Attempt to establish communication with the following:• Radio• Dash Integration Module (DIM)• Digital Radio Receiver (U2K)

Does the scan tool communicate with all devices present? Go to Step 3

Go to Scan Tool DoesNot Communicate with

Class 2 Device onpage 8-28 in Data Link

Communications

3

Important: The engine may start during the following step. TurnOFF the engine as soon as you have observed the Crankpower mode.

1. Access the Class 2 Power Mode in the Diagnostic CircuitCheck on the scan tool.

2. Rotate the ignition switch through all positions whileobserving the ignition switch power mode parameter.

Does the ignition switch parameter reading match the ignitionswitch position for all switch positions? Go to Step 4

Go to Power ModeMismatch on

page 8-30 in BodyControl System

4

Select the following display DTC functions on the scan tool:• Radio• Dash Integration Module• Digital Radio Receiver (U2K)

Does the scan tool display any DTCs? Go to Step 5

Go to Symptoms -Entertainment on

page 11-44

5

Does the scan tool display any DTCs which begin with a ″U″? Go to Scan Tool DoesNot Communicate with

Class 2 Device onpage 8-28 in Data Link

Communications Go to Step 6

6

Does the scan tool display DTC B1000, B1004, B1007, or B1009? Go to DiagnosticTrouble Code (DTC)List on page 8-15 in

Body Control Systems Go to Step 7


2004 - D Car (October 9, 2003)

Diagnostic System Check - Radio/Audio System (cont’d)Step Action Yes No

7

Does the scan tool display DTC B1327? Go to DiagnosticTrouble Code (DTC)List on page 6-13 in

Engine Electrical

Go to DiagnosticTrouble Code (DTC)List on page 11-40

Scan Tool Output ControlsSIE-ID = 821088 Owner = mmchen01 LMD = 03-oct-2003 LMB = mmchen01

Bose Amplifier Scan Tool Output ControlScan Tool

Output ControlAdditional Menu

Selection(s) Description

Center I/P Mid Range Front SpeakersCommanding the speaker ON will turn off all speakers except thisspeaker.Commanding the speaker OFF will turn off all speakers.

Chime Test N/A Commanding the chime ON will sound the requested chime.

LF Tweeter - Door Front SpeakersCommanding the speaker ON will turn off all speakers except thisspeaker.Commanding the speaker OFF will turn off all speakers.

LR Full Range Rear SpeakersCommanding the speaker ON will turn off all speakers except thisspeaker.Commanding the speaker OFF will turn off all speakers.

Rear Subwoofer Rear SpeakersCommanding the speaker ON will turn off all speakers except thisspeaker.Commanding the speaker OFF will turn off all speakers.

RF Tweeter - Door Front SpeakersCommanding the speaker ON will turn off all speakers except thisspeaker.Commanding the speaker OFF will turn off all speakers.

RR Full Range Rear SpeakersCommanding the speaker ON will turn off all speakers except thisspeaker.Commanding the speaker OFF will turn off all speakers.

Delco Amplifier Scan Tool Output ControlScan Tool



Left Front Full Range Front SpeakersCommanding the speaker ON will turn off all speakers except thisspeaker.Commanding the speaker OFF will turn off all speakers.

Left Front Tweeter Front SpeakersCommanding the speaker ON will turn off all speakers except thisspeaker.Commanding the speaker OFF will turn off all speakers.

Left Rear Full Range Rear SpeakersCommanding the speaker ON will turn off all speakers except thisspeaker.Commanding the speaker OFF will turn off all speakers.

Rear Subwoofer Coil 1 Rear SpeakersCommanding the speaker ON will turn off all speakers except thisspeaker.Commanding the speaker OFF will turn off all speakers.

Rear Subwoofer Coil 2 Rear SpeakersCommanding the speaker ON will turn off all speakers except thisspeaker.Commanding the speaker OFF will turn off all speakers.

Right Front Full Range Front SpeakersCommanding the speaker ON will turn off all speakers except thisspeaker.Commanding the speaker OFF will turn off all speakers.

Right Front Tweeter Front SpeakersCommanding the speaker ON will turn off all speakers except thisspeaker.Commanding the speaker OFF will turn off all speakers.


2004 - D Car (October 9, 2003)

Delco Amplifier Scan Tool Output Control (cont’d)Scan Tool



Right Rear Full Range Rear SpeakersCommanding the speaker ON will turn off all speakers except thisspeaker.Commanding the speaker OFF will turn off all speakers.

Radio Scan Tool Output ControlScan Tool



Band Update Optional Module This function is used to disable the XM band from being displayed onthe navigation radio.

Dimming Delay Set Options This function is used to set the delay of radio dimming, in relation toother displays, when the park lamps are turned on or off

Export ID Set Options This function is used to identify the vehicle as an export vehicle.

Language Set Options This function is used to set the language shown on the vehicledisplays.

Long Wave Set Options This function is used to setup the radio to receive long wave channels.

Optional Modules Set Options This function is used to setup the radio to use OnStar.

Region Code Options Set Options This function is used to set the region of the world that the radio is tobe used in.

Seek/Scan SensitivityLevels Set Options This function is used to adjust pass A and pass B stop levels.

VIN Relearn — This function is used to clear radio theft information and learn anew VIN.

Scan Tool Data ListSIE-ID = 821078 Owner = mmchen01 LMD = 28-oct-2002 LMB = klynch01

RadioScan Tool Parameter Data List Units Displayed Typical Data Value

Operating Conditions: Ignition ON, Engine OFF, Radio ON

8 Digit GM Part Number ID Information Numeric 8 - Digits Varies

AM Distant Stop Level Radio Information dBuV 32 dBuV

AM Local Stop Level Radio Information dBuV 28 dBuV

AM Pass A Stop Level Radio Information dBuV 32 dBuV

AM Pass B Stop Level Radio Information dBuV 28 dBuV

Antenna Radio Information Active/Inactive Active

Build Sequence Number ID Information Numeric 4 - Digits Varies

Calibration ID ID Information Numeric 4 - Digits Varies

CD Focus Error CD/Map Information Numeric 0

CD Load/Unload Error CD/Map Information Numeric 0

CD Spindle Servo Error CD/Map Information Numeric 0

CD Type CD/Map Information Audio/CDROM CDROM

CD/Map Inserted System Configuration Yes/No No

FM Distance Stop Level Radio Information dBuV 32 dBuV

FM Local Stop Level Radio Information dBuV 24 dBuV

FM Pass A Stop Level Radio Information dBuV 32 dBuV

FM Pass B Stop Level Radio Information dBuV 24 dBuV

ICDX Access Error ICDX Information Numeric 0

ICDX Data Read Error ICDX Information Numeric 0

ICDX Focus Error ICDX Information Numeric 0

ICDX Mechanical Error ICDX Information Numeric 0


2004 - D Car (October 9, 2003)

Radio (cont’d)Scan Tool Parameter Data List Units Displayed Typical Data Value


Ign. Cycles Since Last Radio Information Numeric 0

Julian Date of Build ID Information Numeric 3 - Digits 199

Manufacturing Shift Inf ID Information Varies 1

Manufacturing Site ID Information Varies D

New VIN Counter Radio Information Numeric 1

Phone System Configuration Present/Not Present Not Present

Point of Sale System Configuration Varies US

PROM ID ID Information Numeric 333900

Radio Type System Configuration Varies Level 2

Region Code System Configuration Varies North America

Signal Strength Radio Information dBuV 50 dBuV

Theft Armed Radio Information No VIN/Learned VIN Learned VIN

Total Cassette Hours Radio Information Hours Varies

Total CD Hours CD/Map Information Hours Varies

Total CD Hours Radio Information Hours Varies

Total ICDX Hours ICDX Information Hours Varies

Total Radio Hours Radio Information Hours Varies

Ultrasonic Noise Radio Information Numeric 2

VIN Position 12 System Configuration Numeric 1-Digit Varies

VIN Position 13 System Configuration Numeric 1 - Digit Varies



VIN Position 16 System Configuration Varies Varies

VIN Position 17 System Configuration Varies Varies

Wide Band Noise Radio Information Numeric Varies

Year Module Built ID Information Numeric 4 - Digit Year 2001

Bose AmplifierScan Tool Parameter Data List Units Displayed Typical Data Value


8 Digit GM Part Number ID Information Numeric 8 – Digits varies

Auto Volume Control Outputs On/Off Off

Balance Control Data counts varies

Bass Control Data counts varies

Battery Voltage Data Volts 12.5 Volts

Calibration ID ID Information Numeric 4 – Digits varies

Center I/P Mid Range Outputs On/Off On

DSP Selected OutputsOFF/Talk/Driver

Seat/RearSeat/Spacious

Off

Fade Control Data counts varies

Ignition Counter Data Numeric 2

Julian Date of Build ID Information Numeric 3 – Digits varies

LF Tweeter – Door Outputs On/Off On

LR Full Range Outputs On/Off On

Microphone High Data Numeric 0

Microphone Low Data Numeric 10

Mid Control Data counts varies


2004 - D Car (October 9, 2003)

Bose Amplifier (cont’d)Scan Tool Parameter Data List Units Displayed Typical Data Value


Mono Volume Control Data counts varies

Mute Outputs On/Off Off

Phone Active Inputs Active/Inactive Inactive

PROM ID ID Information Numeric 4 – Digits varies

Radio Left Channel Inputs On/Off On

Radio Right Channel Inputs On/Off On

Rear Subwoofer Outputs On/Off On

RF Tweeter – Door Outputs On/Off On

RR Full Range Outputs On/Off On

Treble Control Data counts varies

Volume Control Data counts varies

Year Module Built ID Information Numeric 4 – Digit Year 2001

Delco AmplifierScan Tool Parameter Data List Units Displayed Typical Data Value


8 Digit GM Part Number ID Information Numeric 8 – Digits varies

Balance Control Data counts varies

Bass Control Data counts varies


Calibration ID ID Information Numeric 4 – Digits varies

Component Serial No. 12 ID Information Numeric varies

Component Serial No. 8 – 11 ID Information Numeric varies

Fade Control Data counts varies

Julian Date of Build ID Information Numeric 3 – Digits varies

LF Full Range Outputs On/Off On

LF Tweeter Outputs On/Off On

LR Full Range Outputs On/Off On

Mid Control Data counts varies

Mono Volume Control Data counts varies

Mute Button Outputs On/Off Off

Phone Active Inputs Active/Inactive Inactive

PROM ID ID Information Numeric 4 – Digits varies

Radio Left Channel Inputs On/Off On

Radio Right Channel Inputs On/Off On

Rear Subwoofer Coil 1 Outputs On/Off On

Rear Subwoofer Coil 2 Outputs On/Off On

RF Full Range Outputs On/Off On

RF Tweeter Outputs On/Off On

RR Full Range Outputs On/Off On

Tone Generator Data On/Off Off

Treble Control Data Numeric 0 – 255 varies

Volume Control Data counts varies

Year Module Built ID Information Numeric 4 – Digit Year 2001

SIO-ID = 895342 LMD = 19-sep-2002


2004 - D Car (October 9, 2003)

Digital Radio ReceiverScan Tool Parameter Data List Units Displayed Typical Data Value

Operating Conditions: Ignition ON/Engine OFF/Radio ON

8-Digit GM Part Number ID Information/ModuleInformation Alphanumeric 015A43FD


Day ID Information/DSPSoftware Version ID Numeric 2

Day ID Information/XMSoftware Version ID Numeric 2

Digital Radio Antenna Data mV 1400mV

Electronic Serial Number ID Information/ElectronicSerial Number Alphanumeric GVUB0082

Ignition Counter Data Numeric 98

Julian Date of Build ID Information/ModuleInformation Numeric 043

Month ID Information/DSPSoftware Version ID Numeric 4

Month ID Information/XMSoftware Version ID Numeric 4

Power Mode DataRun/Crank/Accessory/

RAP/Off AwakeRun

Software Version ID Information/DSPSoftware Version ID Numeric 21

Software Version ID Information/XMSoftware Version ID Numeric 21

Year ID Information/DSPSoftware Version ID Numeric 2001

Year ID Information/XMSoftware Version ID Numeric 2001

Year Module Built ID Information/ModuleInformation Numeric 2002

Scan Tool Data DefinitionsSIE-ID = 821081 Owner = mmchen01 LMD = 05-may-2003 LMB = dostre01

8–Digit GM Part Number: The scan tool displays an8 digit alphanumeric number. The part number ofthe module.AM Distant Stop Level: This is the stopping levelfor the seek/scan feature when set to distant mode.AM Local Stop Level: This is the stopping level forthe seek/scan feature when set to local mode.AM Pass A Stop Level: This is the first passstopping level for the seek/scan feature. If nothing isfound above this level, the radio will then go to the AMPass B Stop Level.AM Pass B Stop Level: This is the second passstopping level for the seek/scan feature.Antenna: The scan tool displays if the antenna isActive/Inactive.Auto Volume Control: The scan tool displaysOn/Off. The state of the auto volume control function.Balance Control: The scan tool displays 0–255 counts. The amount of left to right balanceselected.Bass Control: The scan tool displays 0–255 counts.

The amount of bass selected.

Battery Voltage: The scan tool displays 0–25.5 volts. The voltage measured from the modulesbattery positive voltage circuit to the modulesground circuit.

Build Sequence Number: The scan tool displaysthe sequence of build of the radio.

Calibration ID: The scan tool displays 0–9999. Thenumber designating what calibrations the radiocontains.

CD Focus Error: The scan tool displays 0–999. Thenumber of CD focus errors the radio has recorded.

CD Load/Unload Error: The scan tool displays0–999. The number of CD load/unload errors the radiohas recorded.

CD Spindle Servo Error: The scan tool displays 00–999. The number of CD spindle servo errors theradio has recorded.

CD Type: The scan tool displays Audio or CDROM.The type of CD loaded in the single CD player.

CD/Map Inserted: The scan tool displays Yes orNo. Whether a CD is loaded in the single CDplayer or not.


2004 - D Car (October 9, 2003)

Center IP Mid Range: The scan tool displaysOn/Off. The state of the speaker output.

Component Serial No. 12: The scan tool displays0–9. The second portion of the serial number.

Component Serial No. 8–11: The scan tool displays0–9999. The first portion of the serial number.

Day: The scan tool displays the day the softwarewas created.

Digital Radio Antenna: The scan tool displaysmillivolts. This parameter indicates the amountof current being used by the digital radio antenna bymeasuring the voltage drop across an internal resistor.Typical value is 1,200–1,800 mV.

DSP Selected: The scan tool displays theequalization setting selected (talk, front/driver seat,ambience, spacious, or off).

Electronic Serial Number: The scan tool displaysthe electronic serial number of the digital radioreceiver.

Fade Control: The scan tool displays 0–255 counts.The amount of front to rear fade selected.

FM Distant Stop Level: This is the stopping levelfor the seek/scan feature when set to distant mode.

FM Local Stop Level: This is the stopping level forthe seek/scan feature when set to local mode.

FM Pass A Stop Level: This is the first passstopping level for the seek/scan feature. If nothing isfound above this level, the radio will then go to the FMPass B Stop Level.

FM Pass B Stop Level: This is the second passstopping level for the seek/scan feature.

ICDX Access Error: The scan tool displays 0–999.The number of ICDX access errors the radio hasrecorded.

ICDX Data Read Error: The scan tool displays 0–999. The number of ICDX read errors the radiohas recorded.

ICDX Focus Error: The scan tool displays 0–999.The number of ICDX focus errors the radio hasrecorded.

ICDX Mechanical Error: The scan tool displays0-999. The number of ICDX mechanical errorsthe radio has recorded.

Ignition Counter: The scan tool displays thenumber of ignition cycles.

Ign. Cycles Since Last: The scan tool displays thenumber of ignition cycles since the last DTCwas set.

Julian Date of Build: The scan tool displays 0–999.The month and year that the module was built.

LF Full Range: The scan tool displays On/Off. Thestate of the speaker output.

LF Tweeter: The scan tool displays On/Off. Thestate of the speaker output.

LF Tweeter – Door: The scan tool displays On/Off.The state of the speaker output.

LR Full Range: The scan tool displays On/Off. The

state of the speaker output.

Manufacturing Shift Inf: The scan tool displays theshift information for the build of the radio.

Manufacturing Site: The scan tool displays the sitecode where the unit was manufactured.

Microphone High: The scan tool displays 0–255 counts. The amount of noise measured in thevehicle. This is the higher of two measurements. OnceMicrophone Low has reached the limit, noise is thenmeasured in Microphone High.

Microphone Low: The scan tool displays 0–255 counts. The amount of noise measured in thevehicle. This is the lower of two measurements. Oncethis has reached the limit, noise is then measuredin Microphone High.

Mid Control: The scan tool displays 0–255 counts.The amount of mid range selected.

Mono Volume Control: The scan tool displays 0–99 counts. The volume selected for the phone output.

Month: The scan tool displays the month thesoftware was created.

Mute: The scan tool displays On/Off indicating thestate of the mute button.

Mute Button: The scan tool displays On/Offindicating the state of the mute button.

New VIN Counter: The scan tool displays 0–99.The number of times a new VIN number has been setin the radio.

Phone: The scan tool displays whether a phone ispresent/not present.

Phone Active: The scan tool displays if the phoneis Active/Inactive.

Point of Sale: The scan tool displays the countrythe vehicle was sold in.

Power Mode: The scan tool displays the currentpower mode the module is operating in.

PROM ID: The scan tool displays 0–9999. Theidentification number of the radios internal PROM.

Radio Left Channel: The scan tool displays On/Off.The state of the amplifier input.

Radio Right Channel: The scan tool displaysOn/Off. The state of the amplifier input.

Radio Type: The scan tool displays what level radiois currently installed in the vehicle.

Rear Subwoofer: The scan tool displays On/Off.The state of the speaker output.

Rear Subwoofer Coil 1: The scan tool displaysOn/Off. The state of the speaker output.

Rear Subwoofer Coil 2: The scan tool displaysOn/Off. The state of the speaker output.

Region Code: The scan tool displays the region theradio is set for.

RF Full Range: The scan tool displays On/Off. Thestate of the speaker output.

RF Tweeter: The scan tool displays On/Off. Thestate of the speaker output.


2004 - D Car (October 9, 2003)

RF Tweeter – Door: The scan tool displays On/Off.The state of the speaker output.

RR Full Range: The scan tool displays On/Off. Thestate of the speaker output.

Signal Strength: The scan tool displays 0–255 decibels. The strength of the station that the radiois tuned to.

Software Version: The scan tool displays theversion of software.

Theft Armed: The scan tool displays LearnedVIN/No VIN. The Scan tool displays Learned VIN whenthe theft mode has been turned ON by recognizinga valid VIN.

Tone Generator: The scan tool displays ON orOFF. The state of the chime.

Total Cassette Hours: The scan tool displays 0–999 hrs. The total number of hours the cassette playerhas been used.

Total CD Hours: The scan tool displays 0–999 hrs.The total number of hours the single CD hasbeen used.

Total ICDX Hours: The scan tool displays 0–999 hrs. The total number of hours the CD changerhas been used.

Total Radio Hours: The scan tool displays 0–999 hrs. The total number of hours the radiohas been used.

Treble Control: The scan tool displays 0–255 counts. The amount of treble selected.

Ultrasonic Noise: The scan tool displays 0–999 counts. RDS data transformation information.

VIN Position 12: The scan tool displays the12th digit of the learned VIN.






Volume Control: The scan tool displays 0–255 counts. The volume selected.

Wide Band Noise: The scan tool displays 0–999 counts. RDS data transformation information.

Year: The scan tool displays the year the softwarewas created.

Year Module Built: The scan tool displays 1990–2020. The production year the module wasmanufactured.SIE-ID = 820324 Owner = mmchen01 LMD = 24-oct-2002 LMB = klynch01

Diagnostic Trouble Code (DTC) ListDTC Diagnostic Procedure Module(s)

B1001 DTC B1001 on page 11-41 Radio

B1259 DTC B1259 on page 11-42 Digital Radio Receiver

B1271 DTC B1271 on page 11-44 Radio


2004 - D Car (October 9, 2003)

DTC B1001SIE-ID = 784539 Owner = mmchen01 LMD = 27-feb-2001 LMB = cwyatt01

Circuit DescriptionThis DTC is generated by the module when an erroroccurs between the VIN as received over theclass 2 communication circuit and the VIN as stored inthe module memory. The only circuit required is theclass 2 communications line.

Conditions for Running the DTCThe DTC is run when the Radio changes from OFF toON. This may be in response to the radio switch orthe ignition ON signal.

Conditions for Setting the DTCThis DTC is generated by the module when an erroroccurs between the VIN as received over theclass 2 communication circuit and the VIN as stored inthe module memory. This happens when the radiochanges from OFF to ON.

Action Taken When the DTC SetsThe radio does not function. The radio also displaysas many characters of the word “CALIBRATE” aswill fit in the radio display.

Conditions for Clearing the MIL/DTCRe-calibration with the correct calibrations for thevehicle and cycling the radio to OFF then to ON willclear the DTC if there is no damage to the radio.

SIO-ID = 418987 LMD = 01-may-2003

DTC B1001Step Action Yes No

Schematic Reference: Radio/Audio System Schematics on page 11-3Connector End View Reference: Entertainment Connector End Views on page 11-22

1

Did you perform the Radio/Audio System DiagnosticSystem Check?

Go to Step 2

Go to DiagnosticSystem Check -

Radio/Audio Systemon page 11-33

2

1. Install a scan tool.2. Turn ON the ignition, with the engine OFF.3. With a scan tool, configure the radio to the vehicle.

Does the DTC reset? Go to Step 3 System OK

3Important: Perform the set up procedure for the radio.Replace the radio. Refer to Radio Replacement on page 11-54.Did you complete the replacement? System OK

—


2004 - D Car (October 9, 2003)

DTC B1259SIE-ID = 816400 Owner = jander02 LMD = 29-may-2003 LMB = jhughe01

Circuit DescriptionThe digital radio antenna is connected to the digitalradio receiver by 2 coax cables. One coax carries thesatellite signal, the other coax carries the terrestrialsignal. The antenna cable for the satellite antenna alsoprovides a path for D C current for powering theantenna.

Conditions for Running the DTCThis test is run every 300 milliseconds.

Conditions for Setting the DTCThe digital radio receiver detects an antenna fault.

Action Taken When the DTC SetsThe radio displays “No XM Signal.”

Conditions for Clearing the DTCThe condition must be corrected.

Test DescriptionThe number below refers to the step number on thediagnostic table.2. Early design modules support the mV reading

while later design modules support the mAreading.

3. Due to current limiting capabilities in the module,an antenna cable shorted to ground could stillshow 1200–1800 mV.

DTC B1259Step Action Values Yes No

Schematic Reference: Radio/Audio System Schematics on page 11-3Connector End Views Reference: Entertainment Connector End Views on page 11-22

1


—

Go to Step 2


Radio/AudioSystem onpage 11-33

2

With a scan tool, observe the digital radio antenna in thedigital radio receiver data list.Does the scan tool indicate that the digital radio antenna iswithin the specified range?

1200–1800 mVor 42–118 mA

Go to Step 3 Go to Step 4

3

Test the antenna cables for a short to ground. Refer toCircuit Testing on page 8-10 and Wiring Repairs onpage 8-16 in Wiring Systems.Did you find and correct the condition?

—


4

1. Disconnect the antenna cables from the digital radioreceiver.

2. Measure the voltage from the center conductor of theinboard antenna connector on the digital radio receiverto one of the case screws.

Does the voltage measure within the specified range?

4.5–5.5 V


5

Test the antenna cables for an open, or high resistance.Refer to Circuit Testing on page 8-10 and Wiring Repairson page 8-16 in Wiring Systems.Did you find and correct the condition?

—


6

Inspect for poor connections at the digital radio receiver.Refer to Testing for Intermittent and Poor Connections onpage 8-14 and Connector Repairs on page 8-25 in WiringSystems.Did you find and correct the condition?

—


7

Important: Always perform the setup procedure for thedigital radio receiver. Refer to Digital Radio Receiver Setupon page 11-52.Replace the digital radio receiver. Refer to ReceiverReplacement - Digital Radio on page 11-55.Did you complete the replacement?

—

Go to Step 10

—


2004 - D Car (October 9, 2003)

DTC B1259 (cont’d)Step Action Values Yes No

8

Inspect for poor connections at the digital radio antenna.Refer to Testing for Intermittent and Poor Connections onpage 8-14 and Connector Repairs on page 8-25 in WiringSystems.Did you find and correct the condition?

—


9Replace the digital radio antenna. Refer to AntennaReplacement - Digital Radio on page 11-60.Did you complete the replacement?

—Go to Step 10

—

10

1. Use the scan tool in order to clear the DTCs.2. Operate the vehicle within the Conditions for Running

the DTC as specified in the supporting text.Does the DTC reset?

—

Go to Step 2 System OK


2004 - D Car (October 9, 2003)

DTC B1271SIE-ID = 1246758 Owner = mmchen01 LMD = 01-may-2003 LMB = ztyus01

Circuit DescriptionThis DTC is generated by the module when the TheftLock is activated. This occurs when the VIN asreceived over the class 2 communication circuit andthe VIN as stored in the module memory do not match.This also occurs when no VIN is received over theclass 2 circuit. The only circuit required is the class 2communications line.

Conditions for Running the DTCThis test is run every 300 milliseconds.

Conditions for Setting the DTCThis DTC is generated by the module when the VINas received over the class 2 communication circuit andthe VIN as stored in the module memory do not

match. This also occurs if no VIN is received over theclass 2 circuit. This DTC test runs when the Radiochanges from OFF to ON.

Action Taken When the DTC SetsThe Radio does not function. The Radio will displayLocked — THEFTLOCK Active.

Conditions for Clearing the MIL/DTCRe-calibration with the correct calibrations for thevehicle and cycling the Radio to OFF then to ON willclear the DTC if there is no damage to the Radio.

DTC B1271Step Action Yes No


1


Go to Step 2


Radio/Audio Systemon page 11-33

2

1. Install a scan tool.2. Turn ON the ignition, with the engine OFF.3. With a scan tool clear the radio theft information.

Does the DTC Reset? Go to Step 3 System OK

3Important: Perform the radio set up procedure for the radio.Replace the radio. Refer to Radio Replacement on page 11-54.Did you complete the replacement? System OK

—

Symptoms - EntertainmentSIE-ID = 1100890 Owner = mmchen01 LMD = 02-sep-2003 LMB = mmchen01

Important: The following steps must be completedbefore using the symptom tables.

1. Perform the Diagnostic System Check -Radio/Audio System on page 11-33 before usingthe Symptom Tables in order to verify that allof the following are true:• There are no DTCs set.• The control module(s) can communicate via

the serial data link.2. Review the system operation in order to familiarize

yourself with the system functions. Refer toRadio/Audio System Description and Operation onpage 11-66.

Visual/Physical Inspection• Inspect for aftermarket devices which could affect

the operation of the radio. Refer to CheckingAftermarket Accessories on page 8-10 in WiringSystems.

• Inspect the easily accessible or visible systemcomponents for obvious damage or conditionswhich could cause the symptom.

IntermittentFaulty electrical connections or wiring may be thecause of intermittent conditions. Refer to Testing forIntermittent and Poor Connections on page 8-14 inWiring Systems.

Symptom ListRefer to a symptom diagnostic procedure from thefollowing list in order to diagnose the symptom:

• Audio System Troubleshooting Hints on page 11-45• Radio Poor Reception on page 11-46• Digital Radio Poor or No Reception on page 11-47• Noise Compensated Volume Inoperative on

page 11-48• Steering Wheel Controls Inoperative on page 11-49• Reduced Volume - One or More Speakers on

page 11-51• Speakers Inoperative - One or More on page 11-51• Speakers Inoperative - All on page 11-52

For navigation related symptoms, refer to Symptoms -Navigation Systems on page 11-18 in NavagationSystems.


2004 - D Car (October 9, 2003)

Audio System Troubleshooting HintsSIE-ID = 784542 Owner = mmchen01 LMD = 27-feb-2001 LMB = cwyatt01

Tools RequiredJ 39916-A CD and Cassette Diagnostic Audio KitMany conditions that affect radio operation may becorrected without removing the radio from thecar. Verify the condition, and follow the diagnosticprocedures in order to isolate and correct thecondition. In order to properly diagnose any audiosystem problems, ensure that you have a fully chargedbattery.

Preliminary Inspections

Important: When testing the audio system for poorreception or noise, the vehicle should be outside awayfrom metal buildings and utility lines, with the hoodand rear compartment closed.

• Check for any aftermarket equipment that mayhave been installed on the vehicle. If aftermarketequipment is found disconnect it and check ifthe audio noise is still present.Inspect that the antenna connector and theantenna coaxial cable are clean and tight.

• For reception concerns, first determine if thecustomer is within the listening area of the stationsthey are attempting to receive.

• Stations at the lower end of the FM band aremore susceptible to audio noises than stations atthe higher end.

• If the noise is only from one speaker check for thefollowing before speaker replacement:

− Isolate the noise using the J 39916-A.− Inspect the speaker connections to ensure

they are clean and tight. Refer to Testingfor Intermittent and Poor Connectionson page 8-14 in Wiring Systems.

− Inspect for a loose or incorrectly installedspeaker or surrounding trim. Loose trimcan cause a buzz or flutter which sounds likea malfunctioning speaker.

• Ignition noise on the FM band may be anindication of an ignition system problem.

• Inspect that all vehicle grounds are clean, tightand free of corrosion.

• Inspect the rear defogger grid lines for largebreaks or dark spots.

• Inspect the connections at the radio antennamodule (if equipped) to ensure that they are cleanand tight.

• Compare the customers vehicle to another ofsimilar model and audio system to determine if thecondition is abnormal.

Identifying Concerns1. In order to isolate the source of the noise/poor

reception, identify the ignition switch positionthat the concern is most noticeable:

1.1. Turn the ignition switch to the accessoryposition.

1.2. Turn ON the radio.1.3. Seek up 88–108 FM then 550–1600 AM.1.4. Record the number of valid radio stations

where the tuner stops.1.5. Repeat these steps with the ignition ON,

and the engine OFF then again with theengine running.

2. Return the ignition switch to the position that theconcern was most noticeable.

3. Remove fuses or circuit breakers one at a timeuntil the noise has been eliminated.

4. Identify what systems or components are poweredby the fuse.

5. Reinstall all fuses and circuit breakers.

6. Disconnect the components powered by the fuseone at a time until the concern has beeneliminated.

Corrective Action• Inspect the ground integrity of the component or

system causing the noise.

• Malfunctioning and marginal components such asrelays and solenoids may cause noise and/orpoor reception.

• Always use a braided ground strap when applyingadditional grounds and keep the ground strap asshort as possible.

• If the noise source is found to be coming from thevehicle harness:

− Route the antenna cable separately from thewire harness that is emitting the noise.

− Use aluminum or nickel tape in order toshield the antenna cable. Attempt variationsof the following repairs:

• Add only aluminum or nickel tape beforeadding a ground strap to the tape.

• Wrap a ground strap 360 degreesaround the tape, securing the other endof the strap to chassis ground.

Important: When installing suppression devices,signal wires such as sensor and communicationcircuits should not be suppressed. Battery and ignitionvoltage circuits are the best choices for suppressing.

• Capacitors work best on switch pops and lowfrequency noise.

• Filters work best on high frequency whines andstatic.

• After adding any suppression device, inspect all ofthe vehicle systems (including those not related tothe audio system) for proper operation andfunction.

• Whenever possible, make a test harness thatincludes filters or capacitors. Always inspectthe effectiveness and operation before permanentinstallation.

• If an audible pop is caused due to operating aswitch, perform the following repairs as necessary:


2004 - D Car (October 9, 2003)

− Add a capacitor across the contacts of theswitch.

− Add a capacitor from the battery positivevoltage (B+) side of the switch to chassisground.

− Add a capacitor from the ground side of theswitch to chassis ground.

• Use the following available noise suppressiondevices:

− 220 micro farad (50 V) capacitorGM P/N 1227895 - Works well for ignitionsystem related noise.

− 0.47 micro farad capacitor GM P/N 1227894- Works well for switches and relays.

− Feed through capacitor GM P/N 477371-Works well for high current situations.

− Filter package GM P/N 1224205 - Works wellfor low current situations.

− Fuel pump suppressor GM P/N 25027405− 53.34 cm (21 in) braided ground strap

GM P/N 8910791− 48.26 cm (19 in) braided ground strap

GM P/N 6286800− 26.67 cm (10.5 in) braided ground strap

GM P/N 6287160− 21.59 cm (8.5 in) braided ground strap

GM P/N 12091511

Generator Whine Concerns1. Inspect the ground terminal and cable for high

resistance.

2. Inspect the generator and brackets for loose orcoated mounting bolts.

3. Inspect that the ground straps between the engineand the frame are clean and tight.

4. If the noise is still present, inspect the chargingsystem for proper operation.

5. Install a filter GM P/N 1224205 in the batteryvoltage feed circuit to the radio.

6. If the noise is not eliminated, install the filter ineach following variation:

• Install the filter with the single wire side towardthe radio and the ground wire attached tochassis ground.

• Remove the ground to the filter.

• Reverse the filter so the 2-wire side is towardthe radio with the ground wire attached tochassis ground.

• Remove the ground from the filter.

7. If the filter GM P/N 1224205 causes a delay whenturning the radio ON or OFF, or other problems,remove the filter and install a 0.47 micro faradcapacitor to chassis ground.

8. Before reassembling the vehicle, remove anyunneeded filters.

9. Test the functionality all of the vehicle systems(including those not related to the audio system)for proper operation and function.

SIE-ID = 1246346 Owner = mmchen01 LMD = 20-feb-2003 LMB = ckwiat01

Radio Poor ReceptionStep Action Value(s) Yes No


1


—

Go to Step 2



2

1. Turn ON the ignition, with the engine OFF.2. Turn ON the radio.3. Tune the radio to a several local AM stations then to

a several local FM stations.Is the radio reception clear?

—

Go to AudioSystem

TroubleshootingHints on

page 11-45 Go to Step 3

3

Inspect for proper connections at the antennas and theradio antenna module. Refer to Testing for Intermittentand Poor Connections on page 8-14 and ConnectorRepairs on page 8-25 in Wiring Systems.Did you find and correct the condition?

—


4

1. Turn OFF the ignition.2. Disconnect the radio antenna module harness

connector.3. Turn ON the ignition, with the engine OFF.4. Turn ON the radio.5. Connect a test lamp between the battery positive

voltage circuit and ground.Does the test lamp illuminate?

—



2004 - D Car (October 9, 2003)

Radio Poor Reception (cont’d)Step Action Value(s) Yes No

5

1. Tune the radio to the FM band.2. Measure the voltage from the FM composite signal

circuit of the radio antenna module to a good ground.Does the voltage measure near the specified value?

8 V


6

Test the antenna cables for an open, short to ground orhigh resistance. Refer to Circuit Testing on page 8-10 andWiring Repairs on page 8-16 in Wiring Systems.Did you find and correct the condition?

—


7

Test the battery positive voltage circuit for an open, shortto ground or high resistance. Refer to Circuit Testing onpage 8-10 and Wiring Repairs on page 8-16 in WiringSystems.Did you find and correct the condition?

—


8

Test the FM composite signal circuit for an open, short toground or high resistance. Refer to Circuit Testing onpage 8-10 and Wiring Repairs on page 8-16 in WiringSystems.Did you find and correct the condition?

—


9

Inspect for poor connections at the radio. Refer to Testingfor Intermittent and Poor Connections on page 8-14 andConnector Repairs on page 8-25 in Wiring Systems.Did you find and correct the condition?

—


10

Important: Always perform the transmitter programmingprocedure for the radio antenna module. Refer toTransmitter Programming on page 11-11 in Keyless Entry.Replace the radio antenna module. Refer to AntennaModule Replacement on page 11-59.Did you complete the replacement?

—

Go to Step 12

—

11Replace the radio. Refer to Radio Replacement onpage 11-54.Did you complete the replacement?

—Go to Step 12

—

12Operate the system in order to verify the repair.Did you correct the condition?

—System OK Go to Step 2

SIE-ID = 817564 Owner = jander02 LMD = 29-may-2003 LMB = jhughe01

Digital Radio Poor or No ReceptionStep Action Values Yes No


1


—

Go to Step 2



2

1. Make sure the vehicle is outside in an area with anunobstructed view of the southern sky.

2. Turn ON the ignition, with the engine OFF.3. Turn ON the radio.4. Tune the radio to satellite channel 1.

Is the reception clear?

—


3

Tune the radio to several other satellite channels.Is the reception clear?

—

Go to AudioSystem

TroubleshootingHints on

page 11-45 Go to Step 4


2004 - D Car (October 9, 2003)

Digital Radio Poor or No Reception (cont’d)Step Action Values Yes No

4Contact XM at 1–800–852–9696 to verify customeraccount status or possible network problems.Did you find and correct the condition?

—Go to Step 14 Go to Step 10

5Contact XM at 1–800–852–9696 to verify possible networkproblems.Did you find and correct the condition?

—Go to Step 14 Go to Step 6

6

With a scan tool, observe the digital radio antenna in thedigital radio receiver data list.Does the scan tool indicate that the digital radio antenna iswithin the specified range?

1200–1800 mVor 42–118 mA


7

1. Disconnect the antenna cables from the digital radioreceiver.

2. Measure the voltage from the center conductor of theinboard antenna connector on the digital radioreceiver to one of the case screws.

Does the voltage measure within the specified range?

4.5–5.5 V


8

Test the antenna cables for an open, short, or highresistance. Refer to Testing for Intermittent and PoorConnections on page 8-14 in Wiring Systems.Did you find the condition?

—


9Replace the antenna cable. Refer to Coaxial CableReplacement - Digital Radio on page 11-61.Did you complete the replacement?

—Go to Step 14

—

10

Inspect for poor connections at the digital radio receiver.Refer to Testing for Intermittent and Poor Connections onpage 8-14 in Wiring Systems.Did you find and correct the condition?

—


11

Inspect for poor connections at the digital radio antenna.Refer to Testing for Intermittent and Poor Connections onpage 8-14 in Wiring Systems.Did you find and correct the condition?

—


12

Important: Always perform the setup procedure for thedigital radio receiver. Refer to Digital Radio Receiver Setupon page 11-52.Replace the digital radio receiver. Refer to ReceiverReplacement - Digital Radio on page 11-55.Did you complete the replacement?

—

Go to Step 14

—

13Replace the digital radio antenna. Refer to AntennaReplacement - Digital Radio on page 11-60.Did you complete the replacement?

—Go to Step 14

—



SIE-ID = 1375187 Owner = mmchen01 LMD = 18-sep-2003 LMB = lguile01

Noise Compensated Volume InoperativeStep Action Value Yes No

Schematic Reference: Radio/Audio System Schematics on page 11-3Connector Reference: Entertainment Connector End Views on page 11-22

1


—

Go to Step 2




2004 - D Car (October 9, 2003)

Noise Compensated Volume Inoperative (cont’d)Step Action Value Yes No

2

1. Turn ON the ignition, with the engine ON.2. Turn ON the blower motor on the maximum speed.3. Cycle the auto volume control ON and then OFF.

Is a difference in volume heard?

—

Go to Testing forIntermittent and

Poor Connectionson page 8-14 inWiring Systems Go to Step 3

3

1. Turn ON the ignition, with the engine OFF.2. Disconnect the noise compensation microphone.3. Measure the voltage from the noise compensation

microphone supply voltage circuit to the drain wire.Does the voltage measure near the specified value?

8 Volts


4

Replace the noise compensation microphone. Refer toMicrophone Replacement - Radio Volume CompensatorInterior on page 11-58.Did you complete the replacement?

—

Go to Step 9

—

5

Test the noise compensation microphone supply voltagecircuit for an open or short. Refer to Circuit Testing onpage 8-10 and Wiring Repairs on page 8-16 in WiringSystems.Did you find and correct the condition?

—


6

Test the drain wire circuit for an open or short. Refer toCircuit Testing on page 8-10 and Wiring Repairs onpage 8-16 in Wiring Systems.Did you find and correct the condition?

—


7

Inspect for poor connections at the amplifier. Refer toTesting for Intermittent and Poor Connections onpage 8-14 and Connector Repairs on page 8-25 in WiringSystems.Did you find and correct the condition?

—


8Replace the amplifier. Refer to Amplifier Replacement onpage 11-56.Did you complete the repair?

—Go to Step 9

—



SIE-ID = 820029 Owner = mmchen01 LMD = 16-may-2003 LMB = tdedvu01

Steering Wheel Controls InoperativeStep Action Values Yes No

Schematic Reference: Steering Wheel Controls Schematics on page 11-9Connector End View Reference: Entertainment Connector End Views on page 11-22

1


—

Go to Step 2



2

1. Turn ON the ignition, with the engine OFF.2. Turn ON the radio.3. Operate all of the steering wheel controls.

Do all of the steering wheel controls operate properly?

—

Go to Testing forIntermittent and

Poor Connectionson page 8-14 inWiring Systems Go to Step 3

3 Does the thumb wheel operate properly? — Go to Step 4 Go to Step 6

4 Do one or more of the steering wheel control switchesoperate properly? — Go to Step 12 Go to Step 5


2004 - D Car (October 9, 2003)

Steering Wheel Controls Inoperative (cont’d)Step Action Values Yes No

5

Caution: Refer to SIR Caution on page P-5 in Cautionsand Notices.

1. Disconnect the steering wheel controls.2. Press and hold the steering wheel control number 4

switch.3. Measure the resistance between the remote radio

control supply voltage circuit and the steering wheelcontrol signal circuit.

Is the resistance near the specified range?

4282 Ω


6

Caution: SIO-ID = 39767 LMD = 09-aug-2000 When youare performing service on or near the SIR componentsor the SIR wiring, you must disable the SIR system.Refer to Disabling the SIR System. Failure to followthe correct procedure could cause air bagdeployment, personal injury, or unnecessary SIRsystem repairs.

1. Disconnect the steering wheel controls.2. Rotate the thumb wheel.3. Test for continuity while the thumb wheel is being

rotated.Is continuity found?

—


7

Test the remote radio control supply voltage circuit for ashort to ground or an open. Refer to Circuit Testing onpage 8-10 and Wiring Repairs on page 8-16 in WiringSystems.Did you find and correct the condition?

—


8

Test the steering wheel control signal circuit for a highresistance or an open. Refer to Circuit Testing onpage 8-10 and Wiring Repairs on page 8-16 in WiringSystems.Did you find and correct the condition?

—


9

Test the information up switch signal circuit for an open orshort. Refer to Circuit Testing on page 8-10 and WiringRepairs on page 8-16 in Wiring Systems.Did you find and correct the condition?

—


10

Test the information down switch signal circuit for an openor short. Refer to Circuit Testing on page 8-10 and WiringRepairs on page 8-16 in Wiring Systems.Did you find and correct the condition?

—


11

Inspect for poor connections at the harness connector ofthe radio. Refer to Testing for Intermittent and PoorConnections on page 8-14 and Connector Repairs onpage 8-25 in Wiring Systems.Did you find and correct the condition?

—


12

Inspect for poor connections at the harness connector ofthe steering wheel controls. Refer to Testing forIntermittent and Poor Connections on page 8-14 andConnector Repairs on page 8-25 in Wiring Systems.Did you find and correct the condition?

—


13

Replace the steering wheel control. Refer to SteeringWheel Control Switch Assembly Replacement onpage 2-33 in Steering Wheel and Column.Did you complete the replacement?

—

Go to Step 15

—

14Replace the radio. Refer to Radio Replacement onpage 11-54.Did you complete the replacement?

—Go to Step 15

—


2004 - D Car (October 9, 2003)

Steering Wheel Controls Inoperative (cont’d)Step Action Values Yes No



Reduced Volume - One or More SpeakersSIE-ID = 1218573 Owner = mmchen01 LMD = 26-jun-2003 LMB = klynch01

Schematic Reference: Radio/Audio SystemSchematics on page 11-3Connector End Views Reference: EntertainmentConnector End Views on page 11-22

Diagnostic System Check - EntertainmentSystemAlways perform the Entertainment System DiagnosticSystem Check before proceeding with thesediagnostic procedures. Refer to Diagnostic SystemCheck - Radio/Audio System on page 11-33.

Speaker(s) - Reduced Volume

Important: The following information lists the mostprobable cause of the concern to the least probablecause. If the list leads to the replacement of acomponent, always inspect for a poor connectionbefore proceeding with replacement. Refer to Testingfor Intermittent and Poor Connections on page 8-14and Connector Repairs on page 8-25 in Wiring Systems.

RPO U661. Speaker output circuit high resistance. Test the

appropriate speaker output circuits for highresistance. Refer to Circuit Testing on page 8-10and Wiring Repairs on page 8-16 in WiringSystems.

2. Low level audio circuit open. Test the appropriatelow level audio circuit for an open. Refer to CircuitTesting on page 8-10 and Wiring Repairs onpage 8-16 in Wiring Systems.

3. Defective speaker - Replace the appropriatespeaker. Refer to Speaker ReplacementReference on page 11-52.

RPO U571. Speaker output circuit high resistance, open, or

shorted. Test the appropriate speaker outputcircuits for high resistance, open or short. Refer toCircuit Testing on page 8-10 and Wiring Repairson page 8-16 in Wiring Systems.

2. Defective speaker - Replace the appropriatespeaker. Refer to Speaker ReplacementReference on page 11-52.

Important: The following procedure assumes allspeakers are operative for all modes of operationexcept digital radio.

With RPO U2K1. Audio common circuit open. Test the audio

common circuit for an open. Refer to CircuitTesting on page 8-10 and Wiring Repairs onpage 8-16 in Wiring Systems.

2. No audio output from the digital radio receiver.Replace the digital radio receiver. Refer toReceiver Replacement - Digital Radio on page 11-55and Digital Radio Receiver Setup on page 11-52.

3. No digital radio audio output from the radio.Replace the radio. Refer to Radio Replacementon page 11-54.

Speakers Inoperative - One or MoreSIE-ID = 1218581 Owner = mmchen01 LMD = 26-jun-2003 LMB = klynch01



One Speaker Inoperative

Important: The following information lists the mostprobable cause of the concern to the least probablecause. If the list leads to the replacement of acomponent, always inspect for a poor connectionbefore proceeding with replacement. Refer to Testingfor Intermittent and Poor Connections on page 8-14and Connector Repairs on page 8-25 in Wiring Systems.1. Speaker output open or shorted. Test the

appropriate speaker output circuits for an open orshort. Refer to Circuit Testing on page 8-10 andWiring Repairs on page 8-16 in Wiring Systems.

2. No audio output from the amplifier. Test for anyAC voltage between the appropriate speakeroutput circuits at the speaker harness connector,disconnected with the radio volume adjustedto an audible level. If AC voltage is present,replace the speaker. Refer to SpeakerReplacement Reference on page 11-52. If no ACvoltage is present, replace the amplifier. Refer toAmplifier Replacement on page 11-56.

3. Defective speaker. Replace the inoperativespeaker. Refer to Speaker ReplacementReference on page 11-52.

All Speakers on One Channel Inoperative

Important: The following information lists the mostprobable cause of the concern to the least probablecause followed by the appropriate test for thatcondition. If the list leads to the replacement of acomponent, always inspect for a poor connectionbefore proceeding with the replacement. Refer


2004 - D Car (October 9, 2003)

to Testing for Intermittent and Poor Connections onpage 8-14 and Connector Repairs on page 8-25 in WiringSystems.

RPO U661. Low level audio signal circuit open or shorted.

Test all low level audio signal circuits for anopen or short. Refer to Circuit Testing on page 8-10and Wiring Repairs on page 8-16 in WiringSystems.

2. No audio output from the amplifier. Replace theamplifier. Refer to Amplifier Replacement onpage 11-56.

RPO U571. Rear midrange speaker output shorted. Test all

rear midrange speaker output circuits for a short.Refer to Circuit Testing on page 8-10 and WiringRepairs on page 8-16 in Wiring Systems.



With RPO U2K1. Remote radio audio signal circuit open. Test the

appropriate remote radio audio signal circuit foran open. Refer to Circuit Testing on page 8-10 andWiring Repairs on page 8-16 in Wiring Systems.



Speakers Inoperative - AllSIE-ID = 1218577 Owner = mmchen01 LMD = 06-jan-2003 LMB = klynch01



All Speakers Inoperative

Important: The following information lists the mostprobable cause of the concern to the least probablecause followed by the appropriate test for thatcondition. If the list leads to the replacement of acomponent, always inspect for a poor connectionbefore proceeding with the replacement. Refer to andin Wiring Systems.

All Radios1. Battery positive voltage circuit to the amplifier

open. Test the battery positive voltage circuit tothe amplifier for an open. Refer to Circuit Testingon page 8-10 and Wiring Repairs on page 8-16in Wiring Systems.

2. Ground circuit to the amplifier open. Test theground circuit to the amplifier for an open.Refer to Circuit Testing on page 8-10 and WiringRepairs on page 8-16 in Wiring Systems.



With RPO U2K1. Audio signal circuit shorted. Test the audio signal

circuits for a short. Refer to Circuit Testing onpage 8-10 and Wiring Repairs on page 8-16 in WiringSystems.



Digital Radio Receiver SetupSIE-ID = 992921 Owner = kiel LMD = 25-feb-2003 LMB = tdedvu01

Important: The Digital Radio Receiver Setup optiondoes not contain a submenu. Digital Radio ReceiverSetup will configure the following systems:

• DTCs• Class 2 radio messages

For the Digital Radio Receiver, complete the followingprocedure with the key in the ON position, use ascan tool in order to properly set up communication:

1. At the Main Menu screen, select Diagnostics.2. At the Vehicle Identification screen, select

the following options:2.1. Model Year2.2. Vehicle Line

3. At the System Selection Menu screen,select Body.

4. At the Vehicle Identification screen, select thefollowing:

4.1. Platform Type4.2. Body Type

5. At the Body screen, select Digital Radio Receiver.6. Select Special Functions.7. At the Special Functions screen, select

DRR Setup.SIE-ID = 792004 Owner = mmchen01 LMD = 06-sep-2001 LMB = csharp01


2004 - D Car (October 9, 2003)

Speaker Replacement ReferenceComponent Repair Instruction

Front IPSpeaker

Refer to Speaker Replacement - Fronton page 11-62

Front Speaker(Tweeter)

Refer to Speaker Replacement - FrontUpper on page 11-63

Front DoorSpeaker

Refer to Speaker Replacement - FrontLower on page 11-63

Rear DoorSpeaker

Refer to Speaker Replacement - RearDoor on page 11-64

Rear Speaker(Subwoofer)

Refer to Speaker Replacement - Rearon page 11-65


2004 - D Car (October 9, 2003)

Repair Instructions

Radio ReplacementSIE-ID = 702067 Owner = arusse01 LMD = 10-jul-2002 LMB = gharts01

Removal Procedure1. Remove the center I/P air vents. Refer to Deflector

Replacement - Instrument Panel Air - Center onpage 1-124 in HVAC.

2. Remove the HVAC programer/ashtray assembly.Refer to HVAC Control Module Replacement onpage 1-58 in HVAC Systems – Automatic.

3. Remove the 4 10 mm screws securing the radioto the I/P retainer.

4. Pull out the radio assembly.5. Disconnect the electrical connectors.6. Remove the radio from the vehicle.

Installation Procedure1. Connect the electrical connectors.

Notice: Refer to Fastener Notice on page P-7 inCautions and Notices.

2. Install the radio assembly to the I/P retainer.

TightenTighten the screws to 9 N·m (80 lb in).

3. Install the HVAC programer/ashtray assembly.Refer to HVAC Control Module Replacement onpage 1-58 in HVAC Systems – Automatic.

4. Remove the center I/P air vents. Refer to DeflectorReplacement - Instrument Panel Air - Center onpage 1-124 in HVAC.

700905

700905


2004 - D Car (October 9, 2003)

Receiver Replacement - Digital RadioSIE-ID = 992883 Owner = arusse01 LMD = 30-sep-2002 LMB = hinks

Removal Procedure1. Remove the rear self panel. Refer to Trim Panel

Replacement - Rear Window Shelf on page 8-33 inInterior Trim

2. Disconnect the electrical connectors on themodule.

3. Remove the fasteners securing the module to therear shelf carrier.

4. Remove the module.

Installation Procedure1. Install the module to the rear carrier.


2. Install the fasteners securing the module to therear carrier.

TightenTighten the fasteners to 2 N·m

3. Connect the electrical connectors.4. Install the rear self panel. Refer to Trim Panel

Replacement - Rear Window Shelf on page 8-33in Interior Trim.

5. Perform the setup procedure for the digital radioreceiver. Refer to Digital Radio Receiver Setup onpage 11-52.

Important: After replacement of an XM Radio receiver,call XM Radio to deactivate the receiver that hasbeen removed from the vehicle and activate the newXM Radio receiver.

The vehicle must be parked in view of a satellitewithin 24 hours after an activation call.

6. Turn the radio on, tune to the XM channel 0, andrecord the electronic serial number (ESN) fromthe radio.The ESN will be needed for activation of the newreceiver.

7. Call XM Radio at 1-800-852-XMXM (9696) todeactivate the faulty receiver and activate thenew receiver.

8. Park the vehicle outside in an area with anunobstructed view of the southern sky.

9. Leave the vehicle outside with the ignition switchin the ACC (accessory) position and the radioturned ON for 30 minutes to activate XM service.

10. Once activated the radio will receive the remainingXM Radio channels.

914897

914897


2004 - D Car (October 9, 2003)

Amplifier ReplacementSIE-ID = 701871 Owner = arusse01 LMD = 10-jul-2002 LMB = gharts01

Removal Procedure1. Remove the rear compartment trim. Refer to

Compartment Trim Panel Replacement - Rearon page 8-14 in Body Rear End.

2. Remove the nuts securing the amplifier to thevehicle.

3. Disconnect the electrical connectors.4. Remove the amplifier from the vehicle.

Installation Procedure1. Connect the electrical connectors.2. Install the amplifier to the studs on the

wheel house.


3. Install the nuts securing the amplifier the vehicle.

TightenTighten the nuts to 9 N·m (80 lb in).

4. Reinstall the rear compartment trim. Refer toCompartment Trim Panel Replacement - Rearon page 8-14 in Body Rear End.

701867

701867


2004 - D Car (October 9, 2003)

Cassette Player Care and CleaningSIE-ID = 574268 Owner = arusse01 LMD = 03-oct-2001 LMB = csharp01

Tools RequiredJ 39916-A CD and Cassette Diagnostic Audio KitIf you do not regularly clean the tape player, the tapeplayer is subject to the following conditions:

• Reduced sound quality• Ruined cassettes• A damaged tape mechanism

Cassette tapes may not operate properly if they arenot stored in their cases away from the followingconditions:

• Contaminants• Direct sunlight• Extreme heat

Cleaning IntervalsClean the cassette tape player after every 15 hours ofoperation for optimum performance.Clean the cassette tape player at a maximum of every50 hours of playing time. This will prevent damageto the cassette tape player mechanism. The radio maydisplay CLN, CLEAN, or CLEAN TAPE (dependingon the type of radio being used), if equipped with theclean tape indicator feature. This indicates thatyou have used the tape player for 50 hours withoutresetting the tape clean timer. If this message appearson the display, clean the cassette tape player. Theplayer can still play tapes but the player shouldbe cleaned as soon as possible in order to preventdamage to the tapes and/or the player.Cassettes are subject to wear and the sound qualitymay degrade over time. If you notice a reductionin sound quality, play a different cassette. A newcassette may indicate whether the tape or the tapeplayer is at fault.If the sound quality does not improve when thesecond tape is played, clean the cassette player.Perform this step regardless of when you last cleanedthe cassette player.If a noticeable improvement is not achieved aftercleaning the player, remove the radio assembly forrepair.

Head and Capstan CleaningThe following 2 components are cleaned on a cassetteplayer:

• The head

• The capstan

Important: Do not contact the tape head withmagnetized tools. If the head becomes magnetized,every cassette played in the player will be degraded.

In order to properly clean a tape player, use thecleaning cassette in J 39916-A in order to clean thehead and the capstan. The cleaning cassette is ascrubbing action, non-abrasive cassette withpads which scrub the tape head as the hubs of thecleaner cassette turn. When using a scrubbing action,non-abrasive cleaning, the cassette may eject. Theunit is equipped with a cut tape detection feature. Thefeature than may detected as a broken tape.

In order to prevent the cleaning cassette from beingejected, perform the following steps:

1. Turn the ignition switch to one of the followingpositions (depending upon the vehicle):

• ON

• RUN

• ACC

• ACCESSORY

2. Turn OFF the radio.

3. Press and hold the TAPE button for 5 seconds.The tape symbol on the display will flash for 2seconds.

4. Insert the scrubbing action cleaning cassette.

5. Eject the cleaning cassette after themanufacturer’s recommended cleaning time.When the cleaning cassette has been ejected, thecut tape detection feature is active again.

The alternative method is to use a non-scrubbingaction, wet type cleaning cassette. This cassette usesa fabric belt to clean the tape head. This type ofcleaning cassette does not eject on its own. Anon-scrubbing action cassette may not clean asthoroughly as the scrubbing type cleaning cassette.The use of this cassette is not recommended.

After you clean the player, press and hold the EJECTbutton for 5 seconds to reset the CLEAN indicator.The radio display shows that the indicator hasbeen reset.


2004 - D Car (October 9, 2003)

Microphone Replacement - Radio VolumeCompensator InteriorSIE-ID = 792022 Owner = arusse01 LMD = 10-jun-2002 LMB = mbomma01

Removal Procedure1. Pull down the overhead console to release the

retainers securing it to the headliner.2. Lower the overhead console.3. Disconnect the microphone electrical connector.

4. Remove the microphone retaining screws.5. Remove the microphone (1).

Installation Procedure1. Install the microphone (1).


2. Install the microphone retaining screws.

TightenTighten the screws to 2 N·m (18 lb in)

791861

791859

791859


2004 - D Car (October 9, 2003)

3. Connect the microphone electrical connector.4. Install the console retainers to the headliner

bracket.5. Push up on the console to secure it to the

headliner.

Antenna Module ReplacementSIE-ID = 766916 Owner = arusse01 LMD = 19-may-2003 LMB = jschro01

Removal Procedure1. Remove the headliner. Refer to Headliner

Replacement on page 8-11 in Interior Trim.2. Disconnect the coax cables (3,4).3. Disconnect the electrical connector (1).4. Slide the diversity antenna module (2) off the

mounting bracket.

Installation Procedure1. Install the diversity antenna module (2) on to the

mounting bracket.2. Connect all the electrical connectors (1, 3, 4).3. Install the headliner. Refer to Headliner

Replacement on page 8-11 in Interior Trim.

791861

708271

708271


2004 - D Car (October 9, 2003)

Antenna Replacement - Digital RadioSIE-ID = 953530 Owner = arusse01 LMD = 30-sep-2002 LMB = arusse01

Removal ProcedureNotice: SIO-ID = 814078 LMD = 02-aug-2001 Do NOTapply paint or clear coat to the XM band radio antenna.This will damage the function of the antenna, causingpoor reception or loss of reception of the XM digitalsignal.

1. Remove the rear sail panels. Refer to Sail PanelReplacement on page 8-30 in Interior Trim.

Notice: SIO-ID = 343002 LMD = 12-nov-1997 Use carewhen removing or installing the headliner. Excessivebending will damage the headliner.

2. Lower the rear of the headliner.3. Remove the foam tape from the antenna cable

connection.4. Disconnect the digital radio antenna

connectors (1).5. Remove the antenna bolt (2) and expansion

sleeve (3).

Important: The retainer, located on the shaft of theradio antenna, was designed for assembly plantoperations to retain the digital antenna to the roofbefore the bolt is installed. If the retainer on the radioantenna is broken or damaged during service ofthe antenna, the antenna will still operate as designedand should be reused.

6. Squeeze the retainer (4), located on the shaft ofthe antenna near the base, with a pair of pliers.

7. Remove the digital radio antenna.

863301

863299


2004 - D Car (October 9, 2003)

Installation Procedure1. Install the digital radio antenna to the roof.


2. Route the wiring pigtail to the side in the slot onthe antenna shaft and install the antennaexpansion sleeve (3) and bolt (2) to theantenna shaft.

TightenTighten the bolt to 6 N·m (53 lb in).

3. Connect the antenna connectors (1).4. Wrap the connectors (1) with foam tape.5. Install the antenna cable connection above the

AM/FM antenna module.6. Install the antenna cable hold down clips.7. Align the headliner to the roof panel.8. Install the rear sail panels. Refer to Sail Panel

Replacement on page 8-30 in Interior Trim.

Coaxial Cable Replacement - Digital RadioSIE-ID = 992859 Owner = arusse01 LMD = 30-sep-2002 LMB = arusse01

Removal Procedure1. Remove the rear self panel. Refer to Trim Panel

Replacement - Rear Window Shelf on page 8-33 inInterior Trim.

2. Remove the drivers side sail panel. Refer to SailPanel Replacement on page 8-30 in Interior Trim

3. Lower the rear of the headlioner to gain access tothe sattilite radio coax cable. Refer to HeadlinerReplacement on page 8-11 in Interior Trim.

4. Disconect the electrical connectors.5. Remove the coax cable.

863299

863301

914898


2004 - D Car (October 9, 2003)

Installation Procedure1. Install the coax cable.2. Connect the electrical connectors.3. Install the headlioner. Refer to Headliner

Replacement on page 8-11 in Interior Trim.4. Install the drivers side sail panel. Refer to Sail

Panel Replacement on page 8-30 in Interior Trim.5. Install the rear self panel. Refer to Trim Panel

Replacement - Rear Window Shelf on page 8-33in Interior Trim.

Speaker Replacement - FrontSIE-ID = 702102 Owner = arusse01 LMD = 29-jan-2003 LMB = cdougl01

Removal Procedure1. Remove the defroster grille. Refer to Defroster

Grille Replacement on page 8-65 in InstrumentPanel, Gages and Console.

2. Remove the fasteners (1) securing the speaker tothe I/P retainer.

3. Disconnect the electrical connector (2).

Installation Procedure1. Connect the electrical connector (2).2. Install the speaker (1) to the I/P retainer.


3. Install the 4 fasteners securing the speaker.

TightenTighten the fasteners to 2 N·m (18 lb in).

4. Reinstall the defroster grille. Refer to DefrosterGrille Replacement on page 8-65 in InstrumentPanel, Gages and Console.

914898

700912

700912


2004 - D Car (October 9, 2003)

Speaker Replacement - Front LowerSIE-ID = 701879 Owner = dfrost01 LMD = 19-may-2003 LMB = jschro01

Removal Procedure1. Remove the door trim panel. Refer to Trim Panel

Replacement - Side Front Door on page 8-107in Doors.

2. Disconnect the electrical connector (1).3. Remove the screws (3) securing the speaker (2)

to the door frame.4. Remove the speaker from the door.

Installation Procedure1. Connect the electrical connector (1).2. Install the speaker (2) onto the door frame.


3. Install the screws (3) securing the speaker to thedoor frame.

TightenTighten the screws to 2 N·m (18 lb in).

4. Install the door trim panel. Refer to Trim PanelReplacement - Side Front Door on page 8-107in Doors.

Speaker Replacement - Front UpperSIE-ID = 554905 Owner = dfrost01 LMD = 23-oct-2001 LMB = cdougl01

Removal Procedure1. Remove the front door trim panel. Refer to Trim

Panel Replacement - Side Front Door on page 8-107in Doors.

2. Disconnect the upper door speaker electricalconnector from the door harness.

3. Remove the upper door speaker / grille assemblyby gently prying the assembly from the molding.

699696

699696

327812


2004 - D Car (October 9, 2003)

Installation Procedure1. Install the upper door speaker / grille assembly

into the molding.Ensure that the speaker grille is properly seated inthe molding.

Important: If the upper and lower door speakers onthe door have been disconnected, ensure thatthe upper and lower speakers are reconnected to theproper door harness connector.

2. Connect the upper door speaker electricalconnector to the door harness.

3. Install the door trim panel. Refer to Trim PanelReplacement - Side Front Door on page 8-107in Doors.

Speaker Replacement - Rear DoorSIE-ID = 554910 Owner = dfrost01 LMD = 23-oct-2001 LMB = cdougl01

Removal Procedure1. Remove the rear door trim panel. Refer to Trim

Panel Replacement - Side Rear Door on page 8-110in Doors.

2. Disconnect the electrical connector from thespeaker.

3. Remove the 4 rear speaker fasteners.4. Remove the rear speaker from the door trim panel.

Installation Procedure1. Install the rear speaker to the rear door trim panel.


2. Install the 4 speaker fasteners.

TightenTighten the speaker fasteners to2.5 N·m (22 lb in).

3. Connect the electrical connector to the speaker.4. Install the rear door trim panel. Refer to Trim

Panel Replacement - Side Rear Door onpage 8-110 in Doors.

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Speaker Replacement - RearSIE-ID = 702120 Owner = arusse01 LMD = 10-jul-2002 LMB = gharts01

Removal Procedure1. Remove the rear shelf trim panel. Refer to Trim

Panel Replacement - Rear Window Shelf onpage 8-33 in Interior Trim.

2. Disconnect the speaker electrical connector.3. Remove the nuts securing the speaker the rear

electrical carrier (1).4. Remove the rear speaker.

Installation Procedure1. Install the rear speaker to the rear electrical

carrier.


2. Reinstall the nuts securing the speaker to theelectrical carrier (1).

TightenTighten the fasteners to 9 N·m (80 lb in).

3. Connect the electrical connector.4. Install the rear shelf trim panel. Refer to Trim

Panel Replacement - Rear Window Shelf onpage 8-33 in Interior Trim.

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Description and OperationRadio/Audio System Description andOperationSIE-ID = 1218165 Owner = mmchen01 LMD = 11-aug-2003 LMB = tdedvu01

The Entertainment System on this vehicle is configuredwith either a base or an uplevel system. Both thebase and uplevel systems contain a radio, antenna,speakers, and an audio amplifier. Satellite digital radio(U2K) is available with Uplevel Radio (UAV).

The following list shows the radios available for thisvehicle:

• Base Radio (U2R) - AM/FM, CD, RDS, and DelcoAmplifier

• Uplevel Radio (U2S) - AM/FM, ICDX, RDS, andBOSE® Amplifier

• Uplevel Radio (UAV) - AM/FM, ICDX, RDS,Navigation, and BOSE® Amplifier (U.S. andCanada)

• Uplevel Radio (U2Y) - AM/FM, ICDX, RDS,Navigation, and BOSE® Amplifier (Europe)

• Uplevel Radio (U2X) - AM/FM, ICDX, RDS,Navigation, and BOSE® Amplifier (Japan)

Radio FeaturesControls U2R or U2S UAV, U2Y, or U2X

Power Push the PWR/VOL knob to turn the radio on.

Volume The volume is adjusted by rotating the PWR/VOL knob.

Auto VolumeCompensation Use the TUNE/SEL knob. Press the AUDIO button.

Seek Press the up or down arrow. Press the left or right arrow.

Scan Press the SCAN button for less than 2 seconds. Press and hold the left or right arrow for2 seconds.

Setting SeekSensitivity Use the TUNE/SEL knob. N/A

Presets Six AM, Six FM1 and Six FM2. Six AM, Six FM1, Six FM2, and six weather.Six XM1, and Six XM2 if equipped with U2K.

Preset Saving Press and hold desired button until an audible beep is heard.

Auto StorePresets Use the TUNE/SEL knob. From the Radio menu, press the TUNE/SEL knob.

Preset Scan Press the SCAN button for more than 3 seconds. Press and hold the left or right arrow for4 seconds.

Home/AwayPresets Use the TUNE/SEL knob.

Set Clock Use the TUNE/SEL knob. From the Main Menu, press the Setup soft key.

Fade or Balance Use the TUNE/SEL knob. Press the AUDIO button.

Bass, Treble, orMidrange Use the TUNE/SEL knob. Press the AUDIO button.

EqualizerSettings Use the TUNE/SEL knob. Press the AUDIO button.

Digital SignalProcessing Use the TUNE/SEL knob. Press the AUDIO button.

Each item in the list below represents topics coveredin detail below.

• AM/FM Reception

• XM Reception

• Diversity Antenna System

• Audio Amplifier

• Theft Deterrent

• Radio Personalization w/Home and Away Feature

• Radio Data System (RDS)

• XM Satellite Radio

• XM Advisory Messages

• Steering Wheel Controls

AM/FM Reception

Radio Signal

The radio signal is sent from a broadcast station andis then received by an antenna. The strength ofthe signal received depends on the following:

• The power output (wattage) of the broadcastingstation

• The location of the vehicle (or receiver) relative tothe broadcast tower.

• Obstacles between the tower and the receiver

• Atmospheric conditions

• What band (AM or FM) the station is broadcasting

• Type of antenna and the ground plane


2004 - D Car (October 9, 2003)

AM ReceptionThe AM band has a lower frequency range than theFM band. These longer wavelengths:

• Bend around Obstacles• Follow the curvature of the earth• May reflect off the ionosphere (skip)

The AM frequencies have longer range due to theground wave. The ground wave follows the curvatureof the earth and is effected by its conductivity.Greater conductivity equates to less signal loss thustransmission over water is better than over land.The AM band has a range of 80–320 km (50–200 miles).

FM ReceptionThe shorter wavelengths of the higher frequencyFM band:

• Reflect off obstacles• Are absorbed by the ground• Penetrate the ionosphere

Broadcasts in the FM band are limited to line of sightreception which is typically 40 km (25 miles). Evenwhen out of a direct line of sight, the signal maybe reflected into areas that would be in a shadowotherwise. Factors which affect the line of sight include:

• Height of the broadcast antenna• Height of the receiving antenna• Terrain and buildings in the broadcast path

SIO-ID = 847311 LMD = 04-jan-2002

XM ReceptionXM satellite radio provides digital radio reception. TheXM signal is broadcast from two satellites and,where necessary, terrestrial repeaters. The high powersatellites allow the antenna to receive the XM signaleven when foliage and other partial obstructions blockthe antennas view of the satellite. Terrestrialrepeaters are used in dense urban areas. Theserepeaters will receive the satellite signal andre-broadcast them at much higher power levels inorder to ensure reception in areas with densely packedtall buildings.

Diversity Antenna SystemThe diversity antenna system uses both front andback windows with an integral antenna built betweenthe glass layers of the windshield and as anapplique to the rear glass. Any damage to the antennarequires replacing the glass.A diversity antenna system is designed to deliver thebest radio signal reception possible. Two antennasare used to form a diversity system. The primaryantenna is part of the rear window and looks similar tothe defogger grid. This antenna receives both AMand FM signals. The secondary antenna is part of thefront windshield and receives only FM signals.The antenna reception signals are sorted out by theradio antenna module. The radio antenna moduleis enabled when the radio is turned on. When the AMor FM band is selected on the radio, the antenna

module connects the rear window antenna directly tothe radio. In addition, when the FM band is selectedan enable signal is sent to the antenna module.Superimposed on this enable signal is the strength ofthe signal being received by the radio tuner. Theantenna module now performs two functions. Itswitches between the front and rear antennas,monitoring the radio signal strength and combinesboth signals and phase aligns them to createone strong signal.

Audio AmplifierThe radio supplies low level audio signals to the audioamplifier in order to boost the signal sent to thespeakers.The radio uses the antenna input signal to create astereo audio output signal, which is sent at theuser-defined volume level to the audio amplifier. Theaudio amplifier amplifies the signal and sends it tothe appropriate speakers. Tone, balance andfade information is sent by the radio to the audioamplifier via the class 2 communication circuit. Thepremium speaker system provides additionaloutput processing by using a noise-cancelingmicrophone. The microphone monitors interior ambientnoise allowing the audio amplifier to modify theaudio output. This maintains the sound at anenjoyable level.

Theft Deterrent

RadioThe Theftlock theft deterrent system is a feature on allbase and uplevel radios. There is no need toprogram a security code into the radio as in pastmodel years. The theft deterrent system now utilizesclass 2 serial data to determine if the radio is inthe appropriate vehicle. Each time the radio receivesthe run power mode message, it compares theVIN information it has stored to the VIN informationreceived from the dash integration module (DIM)on the class 2 serial data circuit. If a mis-match occurs,the radio display will indicate to the user the radio islocked. Once this takes place, a DTC will set, the radiowill not respond to any button presses and becomeinoperative. Two possible causes of this condition are:

1. A radio is installed from another vehicle2. The DIM is replaced and not properly setup with

the correct VIN information for that vehicleThe only way to unlock the radio is by using a scantool. Always refer to the table in this section todiagnose the Theftlock DTC for further information.

Digital Radio ReceiverThe digital radio receiver utilizes class 2 serial data todetermine if it is in the appropriate vehicle. Eachtime the digital radio receiver receives the “run” powermode message, it compares the VIN informationreceived from the dash integration module (DIM) onthe class 2 serial data circuit. If a mis-match occurs,the radio display will indicate to the user the digitalradio receiver is locked. The digital radio receivercannot be unlocked, it must be replaced. Thetwo scenarios able to cause this condition are:


2004 - D Car (October 9, 2003)

1. A digital radio receiver is installed from anothervehicle.

2. The DIM is replaced and not properly setup withthe correct VIN information for that vehicle.

Radio Personalization w/ Home and AwayFeatureThis feature allows two different drivers to store andrecall specific radio settings. The settings recalledby the radio are determined by which remote keylessentry (RKE) transmitter (1 or 2) is used to enterthe vehicle. The number on the back of the RKEtransmitter corresponds to driver 1 or driver 2.The radio settings automatically adjust to where theywere last set by the identified driver.The radio can store home and away presets. Homeand away presets allow you to use one set ofpreset radio settings in the area where you live, andanother set when you go out of town. You do not needto reprogram your presets every time you travel. Tochange between home and away presets, perform thefollowing steps:

w/U2R or U2S1. Press the TUNE/SEL knob.2. Turn the TUNE/SEL knob until H/A HOME

PRESETS is displayed.3. Press the TUNE/SEL knob to change.

w/UAV, U2Y, or U2X1. From the Radio menu, press the TUNE/SEL knob.2. Use the keys on the right to select Home P-Sets

or Away P-Sets.When battery power is removed and later applied, youdo not have to reset your home radio presetsbecause the radio remembers the presets. However,you do have to reset the away radio presets.

Configurable Radio Display Keys w/U2R orU2SThe soft keys on either side of the display can beprogrammed for different functions. To programthe soft keys, perform the following steps:

1. Press the TUNE/SEL knob.2. Turn the TUNE/SEL knob until SETUP is

displayed; press the knob to select.3. Turn the TUNE/SEL knob until CONFIGURE

DISPLAY KEYS is displayed; press the knobto select.

4. Turn the TUNE/SEL knob to select the key to beprogrammed; press the knob to select. Thecurrent assigned feature is displayed.

5. Turn the TUNE/SEL knob to select the featurethat you would like to assign to the key; pressthe knob to select.

Radio Data System (RDS)All audio systems are equipped with technologyknown as the Radio Data System (RDS). RDS is asystem that sends data along with the audio of the FM

station you are currently tuned to. RDS is a standardthat defines how a FM broadcast station may senddigital data along with the audio program. Think of it asa one-way wireless modem, allowing the broadcasterto send information about his program to yourreceiver.RDS data is carried in what is known as a “subcarrier”.A subcarrier is a frequency that the FM broadcasteris authorized to use to send data or other audioprograms that are not audible in the main audioprogram. RDS information can be used to displayprogram information and to control the radio.To receive the RDS signal, all that is needed is an FMreceiver with an RDS circuit. A special integratedcircuit capable of dealing with the RDS signal is in theRDS circuit and passes it along to the receiver’smicroprocessor where it is decoded and acted upon.

RDS Basic InformationRDS basic information:

• RDS functions are provided in the FM broadcastband only.

• RDS functions will only work with FM broadcaststations that are broadcasting RDS data.

• Not all FM Broadcast stations broadcast RDSdata or offer all of the RDS services.

• RDS functions may not work properly whenreception is weak, reception is of poor quality, orRDS is not implemented properly by the FMBroadcaster.

In some cases, a radio station broadcasting incorrectinformation may cause the RDS features of theradio to appear to work improperly.Broadcast RDS information can be used in a variety ofways by the receiver and listener, but basically fallsinto two categories: Display and Control.

Displaying Program InformationRDS displays textual information such as:

• The name of the station.• The type of program.• General information such as artist and song title,

call in phone numbers, etc.

RDS Traffic Feature (TA) w/U2R or U2SThis feature allows the radio to receive trafficannouncements even with the volume muted, or whena CD or cassette is playing. When TA is on, theradio will search for another station with TA if thecurrent station is not TA capable. To turn TA on or off,perform the following steps:

1. Press the TUNE/SEL knob to enter themain menu.

2. Turn the TUNE/SEL knob until TRAFFICANNOUNCE appears on the display.

3. Press the TUNE/SEL knob to select. An X willappear in the box when TA is on.

RDS Traffic Feature w/UAV, U2Y, or U2XThis feature allows the radio to receive trafficannouncements even with the volume muted, or whena CD or cassette is playing. When TRAFFIC is on,


2004 - D Car (October 9, 2003)

the radio will search for another station with traffic ifthe current station is not capable. To turn TRAFFIC onor off, press the TRAFFIC button.

Viewing Messages w/U2R or U2SWhen MSG appears on the radio display, a newmessage is available for viewing. These messagesare from the RDS broadcaster and may be generalinformation such as artist and song title. To viewthe text message, perform the following steps:


2. Turn the TUNE/SEL knob until RECALL RDSMESSAGE appears on the display.

3. Press the TUNE/SEL knob to select. The lastmessage displayed will be displayed again.

Using Program Type Presets w/U2R or U2SThe radio has the ability to use RDS data to findstations according to program type (PTY). When inPTY mode the preset buttons are now PTY presetsinstead of frequency presets. To turn PTY mode on oroff, perform the following steps:


2. Turn the TUNE/SEL knob until PROGRAM TYPEMODE appears on the display.

3. Press the TUNE/SEL knob to select. An X willappear in the box when PTY is on.

Using RDS Seek w/UAV, U2Y, or U2XThe radio has the ability to use RDS data to findstations according to program type. To select programtype perform the following steps:

1. From the Radio menu, press the TUNE/SEL.2. Select RDS List.3. Select the program types to search for.4. Select Seek RDS List to search for these

program types.

SIO-ID = 863691 LMD = 13-mar-2002

XM Satellite RadioXM is a national satellite radio service that offers up to100 coast to coast channels including music, news,sports, talk and children’s programming. XM providesdigital quality audio and text information, includingsong title and artist name. A service fee is required inorder to receive the XM service. For more information,contact XM at www.xmradio.com or call 1–800–852–9696.

Digital Radio ReceiverThe radio controls communicate with the digital radioreceiver via the class 2 communication circuit. Thedigital radio receiver sends remote radio audio signalsto the radio.

Viewing MessagesPress the DISP or RCL button while in XM mode toview various pieces of information related to thecurrent song or channel. By pressing and releasingthe DISP or RCL button, you may view four differentcategories of information: Artist Name/Feature,Song/Program Title, Channel Category, and otherAdditional Information that may be broadcast on thatchannel. Additional Information messages maynot always be available. If an Additional Informationmessage is being broadcast on the tuned channel, theINFO icon will appear on the display. Each of thefour information types may have multiple pages of text.To reach a category, press and release the DISP orRCL button consecutively until the desired type isdisplayed. If there are multiple pages of text for theselected information type, the radio will automaticallydisplay all the pages for that type at a rate ofapproximately one page every three seconds beforetiming out and returning to the default display.You may override this feature by pressing the DISP orRCL button to review all of the pages at yourown pace.SIO-ID = 1201817 LMD = 07-jan-2003

XM Advisory MessagesRadio Display Message Condition

XM Updating Updating encryption code

No XM Signal Loss of signal

Loading XM Acquiring channel audio (after 4 second delay)

Channel Off Air Channel not in service

Channel Unavail Channel no longer available

No Artist Info Artist Name/Feature not available

No Title Info Song/Program Title not available

No CAT Info Category name not available

Not Found No channel available for the chosen category

No Information No text/informational message available

XM Theftlocked Theft Lock active

XM Radio ID Electronic serial number (ESN) channel 0

Unknown Radio ID not known (should only be if hardware failure)

Check XM Receiver Hardware failure


2004 - D Car (October 9, 2003)

Steering Wheel ControlsSome audio functions are available using the steeringwheel controls. The steering wheel controls consistof multiple momentary contact switches that connect aseries of resistors. When a steering wheel controlbutton is pressed, a specific resistance value is notedby the radio. This results in a generated voltage,unique to the particular button.

Configurable Steering Wheel ControlsThe four buttons on the left side of the steering wheelcan be programmed for different functions. Toprogram the buttons, perform the following steps:

w/ U2R or U2S1. Press the TUNE/SEL knob.2. Turn the TUNE/SEL knob until SETUP is

displayed; press the knob to select.3. Turn the TUNE/SEL knob until CONFIGURE

SWC KEYS is displayed; press the knob toselect.

4. Turn the TUNE/SEL knob to select the button tobe programmed; press the knob to select. Thecurrent assigned feature is displayed.

5. Turn the TUNE/SEL knob to select the featurethat you would like to assign to the button;press the knob to select.

w/ UAV, U2Y, or U2X1. Press the MAIN button.2. Press the Setup button.3. Press the Prog SWC soft key.


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Special Tools and EquipmentSIE-ID = 815477 Owner = arusse01 LMD = 03-oct-2001 LMB = csharp01

Illustration Tool Number/ Description

65874

J39916–ACD and Casette Diagnostic

Audio Kit


2004 - D Car (October 9, 2003)

Documents

Accessories Entertainment 11-1 Entertainment±½车论坛免费资料第三期/卡迪拉克/acce-03.pdf · Radio/Audio System Schematics (Power, Ground, Serial Data and Audio Signal