Audi TT No. 25/1 Wiring diagram - Everything you · PDF fileJ17 - Fuel Pump (FP) Relay J59 - Load Reduction Relay J207 - Starting Interlock Relay J429 - Control module for central

Wiring diagram

Fuse Panel

Edit ion 05/ 01W42.USA.5702.07.21

30 A - Green25 A - White20 A - Yellow15 A - Blue10 A - Red

7,5 A - Brown5 A - Beige

Fuse Colors:

Micro Central Elect ric Panel

13 - Fold Relay Panel

Starting with fuse position 23, fuses in the fuse holderare identified with 223 in the wiring diagram.A97--0119

Res

Res

Res

Res

Res

8 12 16 20

5

3

2

1

4

6

7

10

11

14

15

18

19

22

23

9 13 17 21

24

25

26

27

28

29

30

24 31 38

32 39

33 40

34 41

35 42

36 43

37 44

-Dual Horn Relay, J4

Relay Locat ion:

1

A97--0110

75X 30 30 30a 87F/Diesel

5 6

A B C

A97--0024

14

18171615

1 2 3 4 5 6

7 8 9 10 11 12 13

-Load Reduction Relay, J592

-Fuel Pump (FP) Relay, J174

-Wiper/Washer Intermittent Relay, J315

-Wiper/Washer Intermittent Relay, J316

-Fog Light Relay, J5

Relay Locat ion:

4

-Starting Interlock Relay, J2075

-Rear Window Defogger Relay, J910

Audi TT No. 25/ 1

Standard Equipment

2002 m. y.

Edit ion 05/ 01W42.USA.5702.07.21

Wiring diagram

Main Fuse Box/ Battery

S131 - Safety fuse 1S132 - Safety fuse 2S133 - Safety fuse 3S134 - Safety fuse 4S138 - Safety fuse 5S162 - Fuse 1 in fuse bracket/batteryS163 - Fuse 2 in fuse bracket/batteryS164 - Fuse 3 in fuse bracket/battery

Fuses Locat ion:

A97--0116

S138 S134 S164 S163 S162

S133 S132 S131

No. 25/ 2 Audi TT

97-500361 2 3 4 5 6 7 8 9 10 11 12 13 14

30

X31

1530

X31

15

br2,5

279285

br2,5

12131

br2,5

br2,5

T14i/7

283131

br2,5

5098

br/sw4,0

188640

br4,0

277249

br2,5

96249

Edition 10/02W42.USA.5702.11.21

Wiring diagram

ws = whitesw = blackro = redbr = browngn = greenbl = bluegr = greyli = violetge = yellow

Ground Connections

Audi TT No. 25/3

T14i - Connector 14 pin, in engine compartment, left

12 - Ground connection, in engine compartment, left

50 - Ground connection, in luggage compartment, left

96 - Ground connection -1-, in heated seats wiring harness

98 - Ground connection, in rear lid wiring harness

131 - Ground connection -2-, in engine compartment wiringharness

188 - Ground connection -3-, in A/C wiring harness

249 - Ground connection -2-, in wiring harness interior

277 - Ground connector -3-, in wiring harness interior


283 - Ground connection 2, in wiring harness engine pre-wiring

285 - Ground connection -7- in wiring harness interior

640 - Ground connection -2-, in engine compartment, left

97-5103515 16 17 18 19 20 21 22 23 24 25 26 27 28

30

X31

1530

X31

15

sw2,5

sw1,5

288 318

sw/ro2,5

159

S23710A

237a

ge/ro0,5

56

D2/75 1/50 6/15 4/P

237

ge/ro0,5

sw0,5

sw2,5

ro/sw0,5

sw/ro2,5

A2B138

ro2,5

244

ro2,5

297

3/30 7/30

S115A

11a

11

ro2,5

ro2,5

ro4,0

sw/li0,35

B156

A98

ro1,5

321

ro2,5

142

ro1,5

141

ro1,5

156

ro4,0

B157

sw/li0,35

71

6/30

8/86 7/87

sw/ro0,5

5/85

J59

2

S1/75 30

75

br1,5

238 50

J17 / 50a

ro/sw2,5

2

ro/sw1,0

4

br/gn0,5

3/3

J429

6

ro/sw2,5

50

B

8

T6m/3

ro/sw2,5

J207

5

br0,5

249

F194

ro/gr0,35

3/4

1

2

J429

sw0,5

295

5/50b

ro2,5

298

S1010A

10a

ge/ro0,5

55

10

ge/ro0,5

8/86s

sw/ro0,5

287

Edition 10/02W42.USA.5702.11.21

Wiring diagram


Load Reduction Relay, Ignition/Starter Switch,Starting Interlock Relay

No. 25/4 Audi TT

B - StarterD - Ignition/Starter SwitchF194 - Clutch Pedal Position (CPP) SwitchJ17 - Fuel Pump (FP) RelayJ59 - Load Reduction RelayJ207 - Starting Interlock RelayJ429 - Control module for central lockingS10 - FuseS11 - FuseS237 - Fuse in fuse holderT6m - Connector 6 pin, brown, in E-box plenum chamber

50 - Ground connection, in luggage compartment, left



A2 - Plus connection (15), in instrument panel wiring harness

A98 - Plus connector -4- (30), in instrument panel wiring harness

B138 - Plus connector (X), in wiring harness, interior

B156 - Plus connector (30a), in wiring harness interior

B157 - Plus connector -3- (15a), in wiring harness interior

- Roadster- through 10.2001- from 11.2001

97-5103629 30 31 32 33 34 35 36 37 38 39 40 41 42

30

X31

1530

X31

15

br4,0

42 277

br0,5

277

br0,35

277

br1,5

br1,5

131 131

T5a/2

1H71H2

2 2

H

T5a/3 sw/ge1,5

sw/ge1,5

S138150A 110A

S13430AS133

50AS132

50AS131

30AS164

30AS163

30AS162

5 4 3 2 1 T3e/1

A

S1/31

A72

ro/gn2,5

T3e/3 T3e/2

ro2,5

ro2,5

ro6,0

ro16,0

sw16,0

br/bl0,35

ro/br1,5

300

sw/ge1,5

30C

333

S1/71 S1/30ah S2/87h

3/85

2/86 4/87

1/30J4

1

75

30 30a

ro6,0

ro4,0

1/30

J299

ro/ws6,0

332

J104 / 47

J104 / 32��

�

J104 / 16

J104 / 1��

�

Edit ion 11/ 01W42.USA.5702.10.21

Wiring diagram


Main Fuse Box/ Battery, Signal Horn

Audi TT No. 25/ 5

A - BatteryC - Generator (GEN)H - Signal horn activationH2 - High Tone HornH7 - Low Tone HornJ4 - Dual Horn RelayJ104 - ABS Control Module (w/EDL)J299 - Secondary Air Injection (AIR) Pump RelayS131 - Safety fuse 1S132 - Safety fuse 2S133 - Safety fuse 3S134 - Safety fuse 4S138 - Safety fuse 5S162 - Fuse -1- in fuse bracket/batteryS163 - Fuse -2- in fuse bracket/batteryS164 - Fuse -3- in fuse bracket/batteryT3e - Connector 3 pin, black, on Main Fuse Box/BatteryT5a - Connector 5 pin, yellow, in steering wheel

42 - Ground connection, on steering column



A72 - Connector (71), in instrument panel wiring harness

� - ABS MK20 with EDL/ASR/ESP�� - ABS MK60 with EDL/ASR/ESP

97-5103743 44 45 46 47 48 49 50 51 52 53 54 55 56

30

X31

1530

X31

15

T32a/12 T32/7 T32/30

K2

61 86s

br/ws0,35

269

bl0,5

D+

C

T32/23

K117 J285 K132

bl0,35

ge/ro0,35

T4b/2

A21

ge/ro0,5

27

ge/ro0,35

4/13

J429

ro/li0,35

ro/li0,35

A50

30a

315

K72

�

T32a/2 T32a/17

gn0,35

sw0,35

D21 2

ge/ro0,5

26

# # #

Edit ion 11/ 01W42.USA.5702.10.21

Wiring diagram


Inst rument Cluster, Warning Lights

No. 25/ 6 Audi TT

C - Generator (GEN)D2 - Induction coil of antitheft immobilizerJ285 - Control Module with indicator unit in instrument panel

insertJ429 - Control module for central lockingK2 - Generator (GEN) Warning LightK72 - Warning light for catalyst monitoringK117 - Warning light for anti-theft immobilizer sensorK132 - Electronic Power Control (EPC) Warning LampT4b - Connector 4 pin, in engine compartment, leftT32 - Connector 32 pin, blue, on instrument clusterT32a - Connector 32 pin, green, on instrument cluster

269 - Ground connector (sensor ground) -1-, in instrument panelwiring harness

A21 - Wire connection (86s), in instrument panel wiring harness

A50 - Plus connection (30a), in instrument panel wiring harness

� - Sensor ground output# - to 11.2001## - from 11.2001

97-5103857 58 59 60 61 62 63 64 65 66 67 68 69 70

30

X31

1530

X31

15

T32/9

K3J285

T32/24 T32/5 T32/22

br0,35

249

br0,35

249

F1

gn/sw0,35

gn/sw0,5

T14i/1

G5

li/sw0,35

br/ws0,5

269

br1,5

277

br/ws0,5

269

2

F661

li/ro0,35

bl/ro1,5

323

4

13

2G6

G M

T32/3

K16 G1 K28

54J220

bl/ws0,35

T10x/6

bl/ws0,35

bl/ws0,35

A27

K83

T32/10

gn/sw0,35

C10

li/sw0,35

br/ws0,5

269

3

2

G

G169

Edition 10/02W42.USA.5702.11.21

Wiring diagram


Instrument Cluster, Oil Pressure Switch,Engine Coolant Level Warning Switch, Fuel Pump

Audi TT No. 25/7

C10 - Suppressor FilterF1 - Oil Pressure SwitchF66 - Engine Coolant Level (ECL) Warning SwitchG - Sender for fuel gaugeG1 - Fuel GaugeG5 - TachometerG6 - Fuel Pump (FP)G169 - Fuel Level Sensor 2J220 - Motronic Engine Control Module (ECM)J285 - Control Module with indicator unit in instrument panel

insertK3 - Oil Pressure Warning LightK16 - Fuel Reserve Warning LightK28 - Engine Coolant Level/Temperature (ECL/ECT) Warning

LightK83 - Malfunction Indicator Lamp (MIL)T10x - Connector 10 pin, orange, in E-box plenum chamberT14i - Connector 14 pin, in engine compartment, leftT32 - Connector 32 pin, blue, on instrument cluster




A27 - Wire connection (vehicle speed signal), in instrument panelwiring harness

- Vehicles with front wheel drive- Vehicles with all wheel drive- Wiring inside fuel tank

97-5004171 72 73 74 75 76 77 78 79 80 81 82 83 84

30

X31

1530

X31

15

J285

T32/1

T32/28

G21K1

3

2 1

G22

T32/31 T32a/30

br1,0

283

T32/21

gn/ro0,35

T14i/3

ws/bl0,5

sw/gn0,5

T14i/2

sw/ws1,0

289

gn/ge0,35

gr/gn0,35

211

br/ge0,35

br/ge0,5

B154

T10d/6

gn/ge0,35

R2

gn/ge0,35

4

F2

15a

sw/li0,35

25

T32/17

ws0,35

203

Y2 H3

56a

T32a/31

br4,0

42 279

gn/ge0,35

A108

228

Edition 10/02W42.USA.5702.11.21

Wiring diagram


Instrument Cluster, Speedometer Vehicle Speed Sensor

No. 25/8 Audi TT

C10 - Suppressor FilterF2 - Door Contact Switch - Driver‘s sideG21 - SpeedometerG22 - Speedometer Vehicle Speed Sensor (VSS)H3 - Warning BuzzerJ285 - Control Module with indicator unit in instrument panel

insertK1 - Headlight High Beam Indicator LightT10d - Connector 10 pin, brown, connector station A pillar, leftT14i - Connector 14 pin, in engine compartment, leftT32 - Connector 32 pin, blue, on instrument clusterT32a - Connector 32 pin, green, on instrument clusterY2 - Digital Clock



283 - Ground connection 2, in wiring harness engine pre-wiring

A108 - Connector (speed signal), in instrument panel wiring harness

B154 - Connector -1- (TK), in wiring harness interior

R2 - Wire connection (door contact switch, left), in powerwindow/central locking system and door contact switchwiring harness

97-5071085 86 87 88 89 90 91 92 93 94 95 96 97 98

30

X31

1530

X31

15

J285K14

T32/26

A/8

T32a/13

br0,5

277

br/ws0,5

112

br0,5

131

2F9

br/ro0,35

br/ge0,35

2

1G17

2F34

T32/29

bl/br0,35

1

N13

T32/2

T2ae/1

T2ae/2

249

T32/27

gr/ro0,35

gr/sw0,35

200 186

K32K33G106+ 28,8 °C

1

br/ro0,5

T8d/4J492

T32/12

li/ge0,35

350

ge0,35

br0,5

ro0,35

ro0,35

br/ge0,35

T12a/5

E87

T32a/29

ro/bl0,35

T12a/12

ro/bl0,35

B/1

E87

br/ro0,35

A115

t°

58R 58L

K4

Edition 10/01W42.USA.5702.09.21

Wiring diagram


Instrument Cluster, Parking Brake Warning Light Switch,Brake Fluid Level Warning Switch, Outside Air Temperature Sensor

Audi TT No. 25/9

E87 - A/C Control HeadF9 - Parking Brake Warning Light SwitchF34 - Brake Fluid Level Warning SwitchG17 - Outside Air Temperature SensorG106 - Outside Air Temperature DisplayJ285 - Control Module with indicator unit in instrument panel

insertJ492 - Control module for all wheel driveK4 - Park Light Indicator LightK14 - Parking Brake Indicator LightK32 - Brake Pad Wear Indicator LightK33 - Brake Fluid Level Warning LightN13 - Left Brake Pad Wear Indicator (Shear Element)T2ae - Connector 2 pin, on firewall, leftT8d - Connector 8 pin, on Control module for all wheel driveT12a - Connector 12 pin, behind instrument panel, rightT32 - Connector 32 pin, blue, on instrument clusterT32a - Connector 32 pin, green, on instrument cluster





A115 - Connection (parking brake control) in instrument panelwiring harness

- Vehicles with all-wheel drive

97-5071199 100

30

X31

1530

X31

15

101 102 104 105 112110 111108 109106 107103

J285

T32a/28

gr/ws0,35

A76

gr/ws0,5

311

gr/ws0,35

gr/ws0,5

T12a/1

gr/ws0,35

A1

E87

gr/ws0,5

gr/ws0,35

gr/ws0,35

gr/ws0,35

gr/ws0,5

67

J234

4/7

J429

1

G209

2

J431

T8/3

R

gr/ws0,5

T8d/5

J492

#

2

J104

K

gr/ws0,35

1

G303

gr/ws0,35

43

J220

T10x/1

gr/ws0,35

gr/ws0,5

39

J104

## ###

Edition 10/01W42.USA.5702.09.21

Wiring diagram


Instrument Cluster, Connector (K-diagnosis wire)for Data Link Connector (DLC)

No. 25/10 Audi TT

E87 - A/C Control HeadG209 - Ultra-sound sensor for anti-theft warningG303 - Radar Interior Monitoring Control Module 1J104 - ABS Control Module (w/EDL)J220 - Motronic Engine Control Module (ECM)J234 - Airbag Control ModuleJ285 - Control Module with indicator unit in instrument panel

insertJ429 - Control module for central lockingJ431 - Control module for Headlight Beam AdjustingJ492 - Control module for all wheel driveR - RadioT8 - Connector 8 pin, black, connector radio IIIT8d - Connector 8 pin, on Control module for all wheel driveT10x - Connector 10 pin, orange, in E-box plenum chamberT12a - Connector 12 pin, behind instrument panel, rightT32a - Connector 32 pin, green, on instrument cluster

A76 - Connector (K-diagnosis wire), in instrument panel wiringharness

- Coupé- Roadster- Vehicles with Automatic Headlight Beam Adjusting

# - Vehicles with all-wheel drive## - ABS MK20 with EDL/ASR/ESP### - ABS MK60 with EDL/ASR/ESP

97-50044113

30

X31

1530

X31

15

114 115 116 117 118 119 123 124 125 126120 121 122

J285

T32/8

G3K127

T32a/10

li0,35

T14i/4

li0,5

G2

gr/sw0,35

44

gr/sw0,35

gr/sw0,5

J5

6

T32a/6

br/gn0,35

ws/sw0,35

4/16J429

68J234

K75 K47 K86

T32/32

J104

13

J104

gr/sw0,5

E256

T32b/5

or/li0,35

T32b/6

or/br0,35

or/sw0,35

or/sw0,35

A121

60

T32a/18

11

J104

J220

or/sw0,35

T10a/2

or/sw0,35

or/br0,35

or/br0,35

A122

58

T32a/19

15

J104

J220

or/br0,35

T10a/3

or/br0,35

CAN-H CAN-L

�

24

gr/sw0,5

J104

��

��

��

19

or/sw0,35

J104

�

20

or/br0,35

J104

�

��

T32a/21

J104

gr/ws0,35

22

�

1

�

� �

T6k/7R

T6k/12R

or/li0,35

or/br0,35� �

A148 A149

Edit ion 11/ 01W42.USA.5702.10.21

Wiring diagram


Inst rument Cluster, Engine Coolant Temperature Gauge

or = orange

Audi TT No. 25/ 11

E256 - ASR/ESP ButtonG2 - Engine Coolant Temperature (ECT) SensorG3 - Engine Coolant Temperature (ECT) GaugeJ104 - ABS Control Module (w/EDL)J220 - Motronic Engine Control Module (ECM)J285 - Control Module with indicator unit in instrument panel

insertJ234 - Airbag Control ModuleJ429 - Control module for central lockingK47 - ABS Warning LightK75 - Airbag Malfunction Indicator Lamp (MIL)K86 - Traction Control Indicator LightK127 - Indicator light for open trunkR - RadioT6k - Connector 6 pin, green, connector radio I-2T10a - Connector 10 pin, white, in E-box plenum chamberT14i - Connector 14 pin, in engine compartment, leftT32 - Connector 32 pin, blue, on instrument clusterT32a - Connector 32 pin, green, on instrument clusterT32b - Connector 32 pin, gray, on instrument cluster

A121 - Connection (high bus) in instrument panel wiring harness

A122 - Connection (low bus) in instrument panel wiring harness

A148 - Connection (high bus, navigation), in instrument panel wiringharness

A149 - Connection (low bus, navigation), in instrument panel wiringharness

J5 - Wire connection -2-, in ABS wiring harness, near anti-slipcontrol switch

� - CAN-Bus (Data-Bus)� - ABS MK20 with EDL/ASR/ESP�� - ABS MK60 with EDL/ASR/ESP

97-50045128

30

X31

1530

X31

15

129 130 132 133 140138 139136 137134 135131

J285

T32/20

K65

T32/18

127

58s

gr/bl0,35

B145

212

gr/bl0,5

gr/bl0,5

A19

gr/bl0,5

166

gr/bl0,5

284

gr/bl0,5

304

T32a/11 T32/12 T32/15

ge/bl0,35

ge/bl0,35

T12a/7

B13E87

T32a/7

sw/gn0,35

154

sw/ws0,35

144

li/ge0,35

E87

gr/bl0,35

gr/bl0,35

gr/bl0,35

T17/10

A5E87

A116

K94

BL BR 58d

br2,5

45

ro/ws1,5

305

K19

T32a/27

ge0,35

T8/8 T6i/2

E24

T8/7

T8/6

br0,35

1

2

T6i/1

249

li/ge0,35

li/ge0,35

T17/9

A11

L40

355

gr/bl0,5

br0,35

ge0,35

gr/bl0,5

Edit ion 11/ 01W42.USA.5702.10.21

Wiring diagram


Inst rument Cluster, Turn Signal Indicator Lights,Connector Radio, Seat Belt Warning Light

No. 25/ 12 Audi TT

E24 - Left Seat Belt SwitchE87 - A/C Control HeadJ285 - Control Module with indicator unit in instrument panel

insertK19 - Seat Belt Warning LightK65 - Left Turn Signal Indicator LightK94 - Right Turn Signal Indicator LightT6i - Connector 6 pin, below driver‘s seatT8 - Connector 8 pin, black, connector radio IIIT12a - Connector 12 pin, behind instrument panel, rightT17 - Connector 17 pin, behind instrument panelT32 - Connector 32 pin, blue, on instrument clusterT32a - Connector 32 pin, green, on instrument cluster

45 - Ground connection, behind instrument panel, center


A19 - Wire connection (58s), in instrument panel wiring harness

A116 - Connection -2- (58d) in instrument panel wiring harness

B145 - Plus connector (58s), in wiring harness interior

L40 - Wire connection -2- (A/C Pressure Switch), in Climatronicwiring harness

97-51039141

30

X31

1530

X31

15

142 143 144 145 146 147 151 152 153 154148 149 150

9/PL 10/PR

1

131

br1,0

254

A6

M18

2

M5

131

br1,0

1

M19

131

br1,0

sw/ws1,0

sw/ws1,0

sw/ws0,35

169127

sw/ws1,0

sw/ws1,0

130

sw/gn0,35

sw/gn1,0

sw/gn1,0

170263

A5

2

M7

131

br1,0

1

sw/gn1,0

sw/gn1,0

22

sw/ws1,0

sw/gn1,0

ws/gn1,5

ws/gn1,5

205189

B141

12/56a

ws/gn1,5

3/BL 11/BRE4

E2E19

sw/ws/gn1,0

179

ge/ro1,5

160

ro2,5

21

ro1,5

22

2/30 1/30 7/56 4/P 5/49a

1

8/56b

ge/gr1,5

164

Edit ion 05/ 01W42.USA.5702.07.21

Wiring diagram


Turn Signal Sw itch, Headlight Dimmer/ Flasher Sw itch,Park Light Sw itch, Front Turn Signal Light

Audi TT No. 25/ 13

E2 - Turn Signal SwitchE4 - Headlight Dimmer/Flasher SwitchE19 - Park Light SwitchM5 - Left Front Turn Signal LightM7 - Right Front Turn Signal LightM18 - Left, Side Turn Signal LightM19 - Right, Side Turn Signal Light


A5 - Plus connection (right turn signal), in instrument panelwiring harness

A6 - Plus connection (left turn signal), in instrument panel wiringharness


97-51040156

30

X31

1530

X31

15

157 158 160 161 168166 167164 165162 163159155

16/58 14/58R 7/56 9/NSL 17/58s 10/3113/58L 4/56 8/NL

E1 E23 K13 K17 L9 L40

br0,5

277

gr/br0,5

gn/gr0,5

gr/li0,5

ge/gn1,5

ge/ro1,5

gr/gn1,5

gr/bl0,5

246 143 186 128

gr/br0,5

187

gr/li0,5

201

ge/gn1,5

ge/gn1,5

191223

B140

A51

S23615A

236

ge/gr1,5

143

236a

2/XR15/30 1/XZ

ro1,5

23

sw/ro2,5

17

sw/ws1,0

B139

Edit ion 05/ 01W42.USA.5702.07.21

Wiring diagram


Light Sw itch, Fog Light Sw itch

No. 25/ 14 Audi TT

E1 - Light SwitchE23 - Fog Light SwitchK13 - Rear Fog Light Indicator LightK17 - Fog Light Indicator LightL9 - Headlight Switch LightL40 - Front And Rear Fog Light Switch LightS236 - Fuse in fuse holder


A51 - Wire connection (56), in instrument panel wiring harness

B139 - Connector (PL), in wiring harness, interior

B140 - Connector (PR), in wiring harness, interior

97-50048

169

30

X31

1530

X31

15

170 171 172 173 174 175 179 180 181 182176 177 178

br0,5

277

gn/li0,35

sw/ws1,0

145

sw/gn1,0

153

sw/gn0,5

J429

ge0,35

sw/gn0,5

290

sw/ws/gn1,0

148

A125

ge0,35

ge0,35

ge0,35

T10a/9

67J220

J234

4/4

J429

ro/gn1,0

299

sw/ws1,0

272

A49

sw/ge0,5

1/9

5/WL 7/WR 6/ZV 9/31 3/49a

E310/30 2/75

4/588/AB

0 1

ge0,35

69

C22

Edition 12/02W42.USA.5702.12.21

Wiring diagram


Emergency Flasher Switch

Audi TT No. 25/15

C22 - Airbag SuppresserE3 - Emergency Flasher SwitchJ220 - Motronic Engine Control Module (ECM)J234 - Airbag Control ModuleJ429 - Control module for central lockingT10a - Connector 10 pin, white, in E-box plenum chamber


A49 - Wire connection -1-, in instrument panel wiring harness

A125 - Connection (crash signal) in instrument panel wiringharness

97-51041

184

30

X31

1530

X31

15

185 186 188 189 196194 195192 193190 191187183

br1,5

131

br1,5

131

M1

T10ac/2

T10ac/9

L22

T10ac/3

gr/sw0,5

gr/ge1,0

M30

T10ac/1

M29

T10ac/10

T10ac/4

ge/sw1,5

ws/sw1,5

S2235A

223a

gr/sw0,5

A84

gr/sw0,5

gr/sw0,35

25591

S1910A

19a

S2115A

21a

gr/ge1,0

199

gr/ge1,5

C25

2119223

gr/br0,5

ge/gn1,5

ws/gn1,5

160141155

gr/gn1,5

ws0,5

gr1,0

161204242

J5

4

2/876/85

8/304/86

58LNL 56a 56b

31 31

Edition 12/02W42.USA.5702.12.21

Wiring diagram


Fog Light Relay, Left Headlight, Fuses

No. 25/16 Audi TT

J5 - Fog Light RelayL22 - Left Front Fog LightM1 - Left Parking LightM29 - Left Low Beam HeadlightM30 - Left High Beam HeadlightS19 - FuseS21 - FuseS223 - Fuse in fuse holderT10ac - Connector 10 pin, on headlight, left


A84 - Connector (58L), in instrument panel wiring harness

C25 - Wire connection (fog lights), in front light wiring harness

97-50050

197

30

X31

1530

X31

15

198 199 200 201 202 203 207 208 209 210204 205 206

br1,5

131

br1,5

131

M3

T10ad/2

T10ad/9

L23

T10ad/3

gr/ro0,5

M32

T10ad/1

M31

T10ad/10

T10ad/4

ge1,5

ws1,5

S225A

22a

gr/ro0,5

A85

gr/ro0,5

gr/ro0,35

26287

S1810A

1822

gr/li0,5

ws/gn1,5

142157

gr/ge1,0

184 222

18a

B142

ws0,35

74

ws0,5

184

ws1,5

58RNL 56a 56b

31 31

Edition 12/02W42.USA.5702.12.21

Wiring diagram


Right Headlight, Fuses

Audi TT No. 25/17

L23 - Right Front Fog LightM3 - Right Parking LightM31 - Right Low Beam HeadlightM32 - Right High Beam HeadlightS18 - FuseS22 - FuseT10ad - Connector 10 pin, on headlight, right


A85 - Connector (58R), in instrument panel wiring harness


97-50051

212

30

X31

1530

X31

15

213 214 216 217 224222 223220 221218 219215211

br/ws1,0

269

207

A114

br1,0

249 199

br1,0

42

br1,0

199

br1,0

199

V48 V49T10ad/5T10ac/5

ge1,0

br/ws1,0

ge1,0

br/ws1,0

E20 L54 5/316/58s2/31

E102

3/G

A103

ge1,0

ge1,5

ge1,5

br/ws1,0

gr/bl0,5

129

4/56b

1/58

gr/gn0,35

82

S2015A

20a

20

159

ge/gn1,5

M

56bG 56bGT10ac/7

T10ac/8

T10ad/7

T10ad/8

3131

M

Edition 12/02W42.USA.5702.12.21

Wiring diagram


Headlight Adjuster, Headlight Beam Adjusting Motors

No. 25/18 Audi TT

E20 - Instrument Panel Light Dimmer SwitchE102 - Headlight AdjusterL54 - Headlight Adjuster Control LightS20 - FuseT10ac - Connector 10 pin, on headlight, leftT10ad - Connector 10 pin, on headlight, rightV48 - Left Headlight Beam Adjusting MotorV49 - Right Headlight Beam Adjusting Motor


199 - Ground connection -3-, in instrument panel wiring harness



A103 - Connector -2- (56), in instrument panel wiring harness

A114 - Connection (Headlight adjusting), in instrument panelwiring harness

97-51042225

30

X31

1530

X31

15

226 227 228 229 230 231 235 236 237 238232 233 234

br1,5

249

A97

br0,5

277

br0,5

277

M

62V5 E38

1 5

TOJ12 H2 011/536/53b

3/53e 7/INT 4/53c

E22

gn/ge1,0

ws/gn1,5

229

8/53a

sw/gr1,5

sw/gr1,5

274

br/sw1,5

gn/ro1,5

gn/ro1,5

gn/ro1,5

gn/li0,5

A96

sw/gr1,5

gn/ge0,35

ws/gn1,5

22980

J31

2/53b

5

13/15 1/V 8/53 12/INT 7/53c 3/Pot. 17/31

6

Edition 10/01W42.USA.5702.09.21

Wiring diagram


Wiper/Washer Intermittent Relay, Windshield Wiper/Washer Switch,Windshield Washer Pump

Audi TT No. 25/19

E22 - Windshield Wiper/Washer SwitchE38 - Windshield Wiper Intermittent RegulatorJ31 - Wiper/Washer Intermittent RelayV5 - Windshield Washer Pump



A96 - Connector (53a), in instrument panel wiring harness

A97 - Connector (53c), in instrument panel wiring harness

97-51043240

30

X31

1530

X31

15

241 242 244 245 252250 251248 249246 247243239

br1,5

131

br2,5

52 98

br0,5

277

br0,5

98

br0,5

98

22

X1

gr/gn1,0

2W6

11

gr0,5

gr1,0

183

A37

S35A

3a

gr0,5

S45A

4a

gr/gn0,5

S23320A

233

233a

4

gr/ge0,5

gn/gr0,5

156

3

ro2,5

17

M

1/53a5/31

3/53e2/53b4/53

li/gn1,5

gn/ge1,5

gn/sw1,5

gn/ro2,5

V

J314/ST1

5

5/ST2 11/31b 15/30a

6

X

Edition 10/01W42.USA.5702.09.21

Wiring diagram


Wiper/Washer Intermittent Relay, Windshield Wiper Motor,Glove Compartment Light, License Plate Light, Fuses

No. 25/20 Audi TT

J31 - Wiper/Washer Intermittent RelayS3 - FuseS4 - FuseS233 - Fuse in fuse holderV - Windshield Wiper MotorW6 - Glove Compartment LightX - License Plate Light

52 - Ground connection, in rear lid, left




A37 - Wire connection (58a), in instrument panel wiring harness

- Vehicles with Headlight Washer

97-50712

253

30

X31

1530

X31

15

254 255 256 257 258 259 263 264 265 266260 261 262

br1,0

238

br1,0

238

M6

4/31

M16

6/RF 5/BL 1/58L

M4 M9 M25

2/54R

M2

1/58R

M10 M8

4/31

M17

5/BR

ro/sw1,0

2/54L

B185

ro/br1,0

gr/sw0,5

sw/ws1,0

sw/bl1,0

188146

sw/gn1,0

gr/ro0,5

152202

A87

1

F4

ro/gn1,0

291

J492

sw/bl1,0

sw/bl1,0

6/RF

ro/br0,35

ro/br1,0

T8d/3

*

br0,35

98

2/31

1/54

sw/bl1,0

T10x/10

br/sw1,0

2

T10x/3

sw/gn1,0

2F47

sw/bl1,0

285

31

J220

F4

ro/sw1,0

ws/ge1,0

ro/br1,0

ws/ge0,35

T10e/5

55

ro/sw1,0

B131

ro/sw1,0

ro/br1,0

ro/sw0,5

J104 / 41

T10e/4

J22056

sw/ro0,35

J508 / 2

ro/br1,0

311

C10

C10

*****

Edition 12/02W42.USA.5702.12.21

Wiring diagram


Tail Light, Brake Light, Rear Fog Light

Audi TT No. 25/21

C10 - Suppressor FilterF - Brake Light SwitchF4 - Back-Up Light SwitchF47 - Brake Pedal Switch (Cruise Control/Diesel Direct Fuel

Injection)J104 - ABS Control Module (w/EDL)J220 - Motronic Engine Control Module (ECM)J492 - Control module for all wheel driveJ508 - Brake light disable relay (ESP)M2 - Right Tail LightM4 - Left Tail LightM6 - Left Rear Turn Signal LightM8 - Right Rear Turn Signal LightM9 - Left Brake LightM10 - Right Brake LightM16 - Left Back-Up LightM17 - Right Back-Up LightM25 - High-mount Brake LightT8d - Connector 8 pin, on Control module for all wheel driveT10e - Connector 10 pin, black, in E-box plenum chamberT10x - Connector 10 pin, orange, in E-box plenum chamber



A87 - Connector (RF), in instrument panel wiring harness

B131 - Connector (54), in wiring harness interior

B185 - Connection 2 (54) in passenger compartment wiring harness

* - Vehicles with all-wheel drive** - ABS MK20 with EDL/ASR/ESP*** - ABS MK60 with EDL/ASR/ESP

97-50055

268

30

X31

1530

X31

15

269 270 272 273 280278 279276 277274 275271267

br1,0

131

Z20 Z21

T2k/2 T2l/2

sw/br1,0

sw/br1,0

Z4 Z5

T2k/1 T10w/5

T10z/5

S110A

sw/br1,0

1a

1

S210A

2a

sw/ge1,5

sw/br1,0

A81

sw/br1,0

sw/br1,0

sw/ws1,0

179

S22420A

224a

sw/gr1,5

226

S22525A

225a

sw/bl2,5

S22620A

226a

sw/gn2,5

282

224

sw/ge10,0

75x

2 226225

T2l/1

sw/br1,0

br1,0

131

sw/bl2,5

T17/1

sw/bl0,35

L59

C14

E87

Edition 12/02W42.USA.5702.12.21

Wiring diagram


Washer Nozzle Heater, Fuses

No. 25/22 Audi TT

E87 - A/C Control HeadS1 - FuseS2 - FuseS224 - Fuse in fuse holderS225 - Fuse in fuse holderS226 - Fuse in fuse holderT2k - Connector 2 pin, black, on engine hoodT2l - Connector 2 pin, black, on engine hoodT10w - Connector 10 pin, blue, connector station A pillar, leftT10z - Connector 10 pin, blue, connector station A pillar, rightT17 - Connector 17 pin, behind instrument panelZ4 - Heated outside mirror, driver sideZ5 - Heated outside mirror, passenger sideZ20 - Left Washer Nozzle HeaterZ21 - Right Washer Nozzle Heater


A81 - Connector -2- (X), in instrument panel wiring harness

L59 - Plus connection (30), in wiring harness heater

31

97-50061

281

30

X31

1530

X31

15

282 283 284 285 286 287 291 292 293 294288 289 290

br2,5

br0,5

98 277

Z24

+

ws2,5

E152

15

sw/gn2,5

278

gr/bl0,5

130

T8d/1

J492

B149

S65A

6a

S710A

S2315A

231a

2317

sw/gn1,0

7a

S57,5A

5a

5

sw2,5

24

sw/gr1,0

sw/gn1,0

sw/gn0,5

176

sw/gn0,5

77

4/3

J429

sw/bl0,35

sw/gn0,5

310

sw/bl0,5

sw/bl0,5

337

B135

sw/bl1,0

260

--

265

br2,5

284

Z12

br2,5

T6o/3

ws/bl2,5

1

br2,5

284

Z12

br2,5

T6o/4

ws/sw2,5

1# ##

ws2,5

282

br/sw0,5

br/sw0,35

Q49

5/13J429

ws/bl2,5

T6n/3

ws/sw2,5

T6n/4

sw/ro0,5

18

4 2

586

J9

10

6

ws2,5

290

6

Edition 12/01W42.USA.5702.12.21

Wiring diagram


Heated Rear Window, Fuses

Audi TT No. 25/23

E15 - Rear Window Defogger SwitchJ9 - Rear Window Defogger RelayJ429 - Control module for central lockingJ492 - Control module for all wheel driveS5 - FuseS6 - FuseS7 - FuseS231 - Fuse in fuse holderT6n - Connector 6 pin, Hardtop leftT6o - Connector 6 pin, Hardtop rightT8d - Connector 8 pin, on Control module for all wheel driveZ1 - Heated rear windowZ24 - Rear Window Defogger With Window Antenna



284 - Ground connection -6- in wiring harness interior

B135 - Connector (15a), in wiring harness interior


Q49 - Connection (closed), in wiring harness interior

- Coupé- Roadster- Vehicles with all-wheel drive

# - Softtop## - Hardtop

97-50062

296

30

X31

1530

X31

15

297 298 300 301 308306 307304 305302 303299295

br1,5

br0,5

277277

T2p/1

1/31

U1 L28 L15

2/30a

S1015A

10a

S23915A

S24115A

241a239a

S95A

109

sw0,5

27

ro2,5

16

S24020A

240a

S24220A

242a

S23815A

238a

a

239 241240 242 238

ro/gn2,5

ro/gn1,0

ro/br1,5

ro/gr1,5

169 40

ro/gn0,35

62J220

T2p/2

ro/ws1,5

136

ro/ws4,0

A46

gr/bl0,5

131

ro/ge1,5

1/11J429

sw/gr0,5

J104 / 4

sw/gr0,35

A36

ro/gn1,5

D78

9a

J104 / 44

S23720A

237

ro2,5

18

237a

ro/gn2,5

T6m/4

# ##

# ##

Edition 12/01W42.USA.5702.12.21

Wiring diagram


Cigarette Lighter, Fuses

No. 25/24 Audi TT

J104 - ABS Control Module (w/EDL)J220 - Motronic Engine Control Module (ECM)J429 - Control module for central lockingL15 - Ashtray LightL28 - Cigarette Lighter LightS9 - FuseS10 - FuseS237 - Fuse 37 in fuse holderS238 - Fuse in fuse holderS239 - Fuse in fuse holderS240 - Fuse in fuse holderS241 - Fuse in fuse holderS242 - Fuse in fuse holderT2p - Connector 2 pin, behind consoleT6m - Connector 6 pin, brown, in E-box plenum chamberU1 - Cigarette Lighter


A36 - Wire connection (75a), in instrument panel wiring harness

A46 - Plus connection (30-from radio), in instrument panel wiringharness

D78 - Plus connection -1- (30a), in engine compartment wiringharness

- ABS MK20 with EDL/ASR/ESP- ABS MK60 with EDL/ASR/ESP

# - through 10.2001## - from 11.2001

97-51044309

30

X31

1530

X31

15

310 311 312 313 314 315 319 320 321 322316 317 318

br0,5

277

br0,5

277

gr/ws0,5

99

ro/ws0,5

a

30

S127,5A

12a

12

S1310A

13

13a

S1410A

14a

14

S15

15a

15

5A

ro6,0

S229

229a

229

15A

sw1,5

25

S244

244a

244

15A

ro1,5

16

ro/ws0,5

A1

K

ro/br1,0

256

ro/sw1,5

ro/sw1,5

B111

1/7

J429

ro/li0,35

49

sw/li1,5

sw/li1,5

A139

T6m/1

sw1,0

3

J220

ro/gr1,5

4

E94

30

sw/gn0,5

15

292

3131

T16/4

T16/16

T16/1

T16/5

T16/7

Edit ion 05/ 01W42.USA.5702.07.21

Wiring diagram


Data Link Connector (DLC), Fuses

Audi TT No. 25/ 25

E94 - Adjuster for heated driver’s seatJ220 - Motronic Engine Control Module (ECM)J429 - Control module for central lockingS12 - FuseS13 - FuseS14 - FuseS15 - FuseS229 - Fuse in fuse holderS244 - Fuse in fuse holderT6m - Connector 6 pin, brown, in E-box plenum chamberT16 - Connector 16 pin, black, Data Link Connector (DLC), below

storage compartment, driver‘s side


A1 - Plus connection (30a), in instrument panel wiring harness

A139 - Connection 3 (15), in instrument panel wiring harness

B111 - Connector (30a), in wiring harness interior

97-50064324

30

X31

1530

X31

15

325 326 328 329 336334 335332 333330 331327323

ro/ws6,0

S22815A

228a

S23210A

232a

S23410A

234a

S243

243a

10A

bl/ro1,5

ro/li1,5

ge/sw1,0

bl/ge2,5

228 232 234 243

65

T14i/5

ro/li1,0

D140

ge/sw1,5

A100

T14i/6

ge/sw0,5

D22

T6m/5

bl/ge2,5

D80

bl4,0

bl4,0

bl4,0

bl4,0

bl4,0

A99

23/87J17

4

87F

J293

T4f/1

31

ro2,5

T4f/3

34

ro2,5

A68

A68

Edit ion 05/ 01W42.USA.5702.07.21

Wiring diagram


Coolant (Fan Control) Control Module, Fuses

No. 25/ 26 Audi TT

J17 - Fuel Pump (FP) RelayJ293 - Coolant FC (Fan Control) Control Module, in engine

compartment, left frontS228 - Fuse in fuse holderS232 - Fuse in fuse holderS234 - Fuse in fuse holderS243 - Fuse in fuse holderT4f - Connector 4 pin, connector B on J293T6m - Connector 6 pin, brown, in E-box plenum chamberT14i - Connector 14 pin, in engine compartment, left

A68 - Connector (30, A/C), in instrument panel wiring harness



D22 - Connector (over fuse 234), in wiring harness front, right

D80 - Plus connection (87a- for EVAP system solenoid), in enginecompartment wiring harness

D140 - Connector (injectors), in wiring harness, engine pre-wiring

97-52122337

30

X31

1530

X31

15

338 339 340 341 342 343 344 345 346 347 348 349 350

J293

T4f/2

M

3

2

V7

ro/ws2,5

F18 2

3

287

F54

1

ro/sw4,0

br/sw4,0

188

1

A68

A68

ro2,5

T14b/7

ro/ge1,0

ro/ws2,5

L26

ro/ws1,5

3

2

V177

ro/ws2,5

1

ro/sw4,0

br/sw4,0

188

L43

T14b/6T4f/4

ro/sw6,0

31

br/sw0,5

188

T14b/9

sw/bl0,5

T14b/4

ro/gr1,0

S1610A

16a

ro1,0

16

ro4,0A98

B156ro4,0

30

T14b/8

br/bl0,5

E87 / A2

T14b/12

sw/ws0,5

E87 / C2

T14b/13

li/ge0,35

li/ge0,35

L40

E87 / A11

li/ge0,35

89

li/ge0,35

4/2J429

Mt° t°

Edition 07/01W42.USA.5702.08.21

Wiring diagram


Coolant (Fan Control) Control Module, Coolant FanControl Thermal Switch, Coolant Fan

Audi TT No. 25/27

E87 - A/C Control HeadF18 - Coolant Fan Control (FC) Thermal SwitchF54 - Coolant Fan Control (FC) Thermal SwitchJ293 - Coolant FC (Fan Control) Control Module, in engine

compartment, left frontJ429 - Control module for central lockingS16 - FuseT4f - Connector 4 pin, connector B on J293T14b - Connector 14 pin, connector A on J293V7 - Coolant FanV177 - Coolant Fan -2-


A68 - Connector (30, A/C), in instrument panel wiring harness

A98 - Plus connector -4- (30), in instrument panel wiring harness

B156 - Plus connector -4- (30), in wiring harness interior

L26 - Wire connection (coolant fan), in A/C-climatronic/enginecompartment wiring harness


L43 - Wire connection (coolant fan), in A/C system-coolant fanwiring harness

97-50239352

30

X31

1530

X31

15

353 354 356 357 364362 363360 361358 359355351

br0,35

128

B151

br0,35

128

br0,5

128

F148F147

br/bl0,35

W20

br/bl0,35

W14

ro/sw0,35

ro/sw0,35

ro/sw0,5

ro/sw0,5

br/ws0,5

gn/sw1,0

1/5J429

1/2J429

B116

W19 432

1/315/58s

W13W

br/sw4,0

640 188

gr/bl0,5

gr/bl0,5

130

J293T14b/10

N25

L39

T14b/2

ws0,5

ws0,5

2G65

T14b/1

ro/sw0,5

M

2

V51

br/sw0,5

188

1

gn/sw1,0

1

T4b/3

Edition 07/01W42.USA.5702.08.21

Wiring diagram


Interior Light, Make-Up Mirror Light,After-Run Coolant Pump

No. 25/28 Audi TT

F147 - Left Make-Up Mirror Light SwitchF148 - Right Make-Up Mirror Light SwitchG65 - High Pressure SensorJ293 - Coolant FC (Fan Control) Control Module, in engine

compartment, left frontJ429 - Control module for central lockingN25 - A/C ClutchT4b - Connector 4 pin, in engine compartment, leftT14b - Connector 14 pin, connector A on J293V51 - After-Run Coolant PumpW - Front Interior LightW13 - Passenger’s Map/Reading LightW14 - Right Make-up Mirror LightW19 - Left Front Reading LightW20 - Left Make-up Mirror Light

128 - Ground connection -1-, in interior light wiring harness


640 - Ground connection -2-, in engine compartment, left

B116 - Connector (58s), in wiring harness interior



Documents

Audi TT No. 25/1 Wiring diagram - Everything you · PDF fileJ17 - Fuel Pump (FP) Relay J59 - Load Reduction Relay J207 - Starting Interlock Relay J429 - Control module for central