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Copyright VW AG Current flow diagrams ElsaPro transaction no.: 33218 DMS order no.: undefined VIN: Model year: 2001 Sales code: 8D2 Model description: Audi A4 Engine code: ATJ Gearbox code: EHW Official licence plate number: Final drive code: Username: Calin Service advisor name: Calin, Murgu (RO101050.009) Audi A4 Current Flow Diagram No. 21 / 1 Edition 03.2002 1.9 litre unit injector, TDI engine, 85 kW, 4-cylinder, engine code AJM From model year 2000 1.9 litre unit injector, TDI engine, 85 kW, 4-cylinder, engine code ATJ From model year 2000 Fuse box: From fuse number 23 upwards the fuses in the fuse box are designated as 223 etc. in the Current Flow Diagram. Micro-central electrics: Position of relays: 2 - X contact relief relay 4 - Relay for glow plugs Fuse colours: 30 A - green 25 A - white 20 A - yellow 15 A - blue 10 A - red 7.5 A - brown Page 1 of 11 1.9 litre unit injector, TDI engine, 85 kW, 4-cylinder, engine code AJM 19.02.2013 https://portal.cpn.vwg/elsapro/elsaweb/ctr/WDshowContent/document/431955

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Audi A4

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  • Copyright VW AG

    Current flow diagrams ElsaPro transaction no.: 33218

    DMS order no.: undefined VIN: Model year: 2001Sales code: 8D2 Model description: Audi A4Engine code: ATJ Gearbox code: EHWOfficial licence plate number: Final drive code: Username: Calin Service advisor name: Calin, Murgu (RO101050.009)

    Audi A4 Current Flow Diagram No. 21 / 1 Edition 03.2002

    1.9 litre unit injector, TDI engine, 85 kW, 4-cylinder, engine code AJM From model year 2000

    1.9 litre unit injector, TDI engine, 85 kW, 4-cylinder, engine code ATJ From model year 2000

    Fuse box:

    From fuse number 23 upwards the fuses in the fuse box are designated as 223 etc. in the Current Flow Diagram.

    Micro-central electrics:

    Position of relays:2 - X contact relief relay4 - Relay for glow plugs

    Fuse colours:30 A - green25 A - white20 A - yellow15 A - blue10 A - red7.5 A - brown

    Page 1 of 111.9 litre unit injector, TDI engine, 85 kW, 4-cylinder, engine code AJM

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  • 5 A - beige

    3-point relay carrier:

    Position of relays:1 - High heat output relay

    2a - Low heat output relay **2b - Fuel cooling pump relay **3 - Diesel direct injection system relay

    Position of fuses:5 - Engine control unit fuse7 - Fuse for coolant heater elements8 - Fuse 2 for coolant heater elements9 - Fuse for glow plugs - engine

    10 - Fuel cooling pump fuse *

    13-point relay carrier:

    Position of relays:10 - Fuel pump relay

    Page 2 of 111.9 litre unit injector, TDI engine, 85 kW, 4-cylinder, engine code AJM

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  • Audi A4 Current Flow Diagram No. 21 / 2

    ws = whitesw = blackro = redrt = redbr = browngn = greenbl = bluegr = greyli = purplevi = purplege = yellowor = orangers = rosa

    Battery, starter, alternator, glow plugsA - BatteryB - StarterC - AlternatorC1 - Voltage regulatorD - Ignition/starter switchE1 - Lighting switchJ59 - X contact relief relayQ6 - Glow plugs - (engine)S39 - Strip fuse for glow plugs -

    (engine)T1k - Single connector, black, in

    engine compartment, rightT2h - 2-pin connector, blue, in engine

    compartmentT2at - 2-pin connector, black, in

    engine compartment, rightT10 - 10-pin connector, brown,

    connector point, electronics box, plenum chamber

    11 - Earth point, in battery box

    81 - Earth connection -1-, in dash panel wiring harness

    A86 - Connection (50a), in dash panel wiring harness

    D16 - Connection (glow plugs), in front right wiring harness

    * - Applicable up to model year 2000

    ** - Applicable from model year 2001

    Page 3 of 111.9 litre unit injector, TDI engine, 85 kW, 4-cylinder, engine code AJM

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  • Audi A4 Current Flow Diagram No. 21 / 3

    ws = whitesw = blackro = redrt = redbr = browngn = greenbl = bluegr = greyli = purplevi = purplege = yellowor = orangers = rosa

    Diesel direct injection system control unit, fuel temperature sender, relay for glow plugs, diesel direct injection system relayG81 - Fuel temperature senderJ52 - Glow plug relayJ248 - Diesel direct injection system

    control unitJ317 - Terminal 30 voltage supply

    relayS102 - Engine control unit fuseT3aa - 3-pin connector, white,

    connector point, electronics box, plenum chamber

    T3au - 3-pin connector, red, connector point, electronics box, plenum chamber

    T10m - 10-pin connector, black, connector point, electronics box, plenum chamber

    T10ar - 10-pin connector, orange, connector point, electronics box, plenum chamber

    12 - Earth point, in engine compartment, left

    156 - Earth connection, in diesel direct injection wiring harness

    A40 - Positive (+) connection -1- (30), in dash panel wiring harness

    D50 - Positive (+) connection (30), in engine compartment wiring harness

    D101 - Connection -1-, in engine compartment wiring harness

    Page 4 of 111.9 litre unit injector, TDI engine, 85 kW, 4-cylinder, engine code AJM

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  • Audi A4 Current Flow Diagram No. 21 / 4

    ws = whitesw = blackro = redrt = redbr = browngn = greenbl = bluegr = greyli = purplevi = purplege = yellowor = orangers = rosa

    Diesel direct injection system control unit, accelerator pedal position senderE87 - Control and display unit for air

    conditioner/ClimatronicF8 - Kick-down switchF60 - Idling switchG79 - Accelerator pedal position

    senderJ248 - Diesel direct injection system

    control unitT6as - 6-pin connector, black, near

    accelerator pedal position sender

    T15 - 15-pin connector, white, connector point, electronics box, plenum chamber

    T15m - 15-pin connector, red, connector point, electronics box, plenum chamber

    A34 - Connection (75x), in dash panel wiring harness

    A100 - Connection -2- (87), in dash panel wiring harness

    A105 - Connection -2- (rpm boost), in dash panel wiring harness

    A121 - Connection (high bus), in dash panel wiring harness

    A122 - Connection (low bus), in dash panel wiring harness

    * - Only models with air conditioner** - Applicable up to model year

    2000*** - Applicable from model year

    2001 (phased-in modification)**** - Only models with automatic

    gearbox - CAN bus (data wire)

    Page 5 of 111.9 litre unit injector, TDI engine, 85 kW, 4-cylinder, engine code AJM

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  • Audi A4 Current Flow Diagram No. 21 / 5

    ws = whitesw = blackro = redrt = redbr = browngn = greenbl = bluegr = greyli = purplevi = purplege = yellowor = orangers = rosa

    Diesel direct injection system control unit, intake manifold pressure sender, intake manifold temperature sender, cruise control system switch, exhaust gas recirculation valve, charge pressure control solenoid valveE45 - Cruise control system switchF - Brake light switchF36 - Clutch pedal switchG71 - Intake manifold pressure

    senderG72 - Intake manifold temperature

    senderJ138 - Radiator fan run-on control unitJ248 - Diesel direct injection system

    control unitM9 - Brake light bulb, leftM10 - Brake light bulb, rightN18 - Exhaust gas recirculation valveN75 - Charge pressure control

    solenoid valveT6y - 6-pin connector, black, next to

    steering columnT10p - 10-pin connector, grey, left

    connector point, A pillarT10ar - 10-pin connector, orange,

    connector point, electronics box, plenum chamber

    T15 - 15-pin connector, white, connector point, electronics box, plenum chamber

    T17a - 17-pin connector, brown, left connector point, A pillar

    A18 - Connection (54), in dash panel wiring harness

    A71 - Connection (86), in dash panel wiring harness

    D103 - Connection -3-, in engine compartment wiring harness

    * - Only models with cruise control system

    ** - Does not apply to automatic gearbox

    *** - Applicable up to August 2000**** - Applicable from September

    2000 onwards

    Page 6 of 111.9 litre unit injector, TDI engine, 85 kW, 4-cylinder, engine code AJM

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  • Audi A4 Current Flow Diagram No. 21 / 6

    ws = whitesw = blackro = redrt = redbr = browngn = greenbl = bluegr = greyli = purplevi = purplege = yellowor = orangers = rosa

    Diesel direct injection system control unit, Hall sender for camshaft position, throttle butterfly valve, fuel cooling pump, unit injector solenoid valve - No. 1, 2, 3 and 4 cylinderG40 - Hall sender for camshaft

    positionJ248 - Diesel direct injection system

    control unitJ445 - Fuel cooling pump relayN211 - Throttle butterfly valveN240 - Unit injector solenoid valve, No.

    1 cylinderN241 - Unit injector solenoid valve, No.

    2 cylinderN242 - Unit injector solenoid valve, No.

    3 cylinderN243 - Unit injector solenoid valve, No.

    4 cylinderS262 - Fuse for fuel coolingT8d - 8-pin connector, in engine

    compartmentT10m - 10-pin connector, black,

    connector point, electronics box, plenum chamber

    V166 - Fuel cooling pump

    156 - Earth connection, in diesel direct injection wiring harness

    A45 - Connection (speed signal), in dash panel wiring harness

    D103 - Connection -3-, in engine compartment wiring harness

    Page 7 of 111.9 litre unit injector, TDI engine, 85 kW, 4-cylinder, engine code AJM

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  • Audi A4 Current Flow Diagram No. 21 / 7

    ws = whitesw = blackro = redrt = redbr = browngn = greenbl = bluegr = greyli = purplevi = purplege = yellowor = orangers = rosa

    Diesel direct injection system control unit, coolant temperature senders, engine speed sender, air mass meterG2 - Coolant temperature senderG28 - Engine speed senderG62 - Coolant temperature senderG70 - Air mass meterJ234 - Airbag control unitJ248 - Diesel direct injection system

    control unitT3m - 3-pin connector, grey, in engine

    compartment, leftT3au - 3-pin connector, red, connector

    point, electronics box, plenum chamber

    T10 - 10-pin connector, brown, connector point, electronics box, plenum chamber

    T10ar - 10-pin connector, orange, connector point, electronics box, plenum chamber

    A27 - Connection (speed signal), in dash panel wiring harness

    A125 - Connection (crash signal), in dash panel wiring harness

    D102 - Connection -2-, in engine compartment wiring harness

    F27 - Connection (screening), in diesel direct injection wiring harness

    * - Applicable up to model year 2000

    ** - Applicable from model year 2001

    Page 8 of 111.9 litre unit injector, TDI engine, 85 kW, 4-cylinder, engine code AJM

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  • Audi A4 Current Flow Diagram No. 21 / 8

    ws = whitesw = blackro = redrt = redbr = browngn = greenbl = bluegr = greyli = purplevi = purplege = yellowor = orangers = rosa

    Fuel pump relay, diesel direct injection system control unit, coolant heater elements, relay for coolant heater elementsJ17 - Fuel pump relayJ248 - Diesel direct injection system

    control unitJ359 - Low heat output relayJ360 - High heat output relayQ7 - Coolant heating elementsS5 - Fuse in fuse box/relay plateS13 - Fuse in fuse box/relay plateS109 - Coolant heater elements fuseS143 - Coolant heater elements fuse 2S228 - Fuse in fuse boxS231 - Fuse in fuse boxT10ar - 10-pin connector, orange,

    connector point, electronics box, plenum chamber

    A2 - Positive (+) connection (15), in dash panel wiring harness

    A32 - Positive (+) connection (30), in dash panel wiring harness

    A70 - Connection (15a, fuse 231), in dash panel wiring harness

    A99 - Connection -1- (87), in dash panel wiring harness

    * - Does not apply to automatic gearbox

    Page 9 of 111.9 litre unit injector, TDI engine, 85 kW, 4-cylinder, engine code AJM

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  • Audi A4 Current Flow Diagram No. 21 / 9

    ws = whitesw = blackro = redrt = redbr = browngn = greenbl = bluegr = greyli = purplevi = purplege = yellowor = orangers = rosa

    Dash panel insert, coolant shortage indicator switch, fuel gauge sender, fuel pump, diagnostic connectorF66 - Coolant shortage indicator

    switchG - Fuel gauge senderG6 - Fuel pumpJ218 - Combi-processor in dash panel

    insertT6e - 6-pin connector, blue, left

    connector point, A pillarT10a - 10-pin connector, brown, left

    connector point, A pillarT10m - 10-pin connector, black,

    connector point, electronics box, plenum chamber

    T10ao - 10-pin connector, white, left connector point, A pillar

    T16 - 16-pin connector, diagnostic connector

    T32 - 32-pin connector, blue, on dash panel insert

    T32a - 32-pin connector, green, on dash panel insert

    86 - Earth connection -1-, in rear wiring harness

    139 - Earth connection (sender earth), in Motronic wiring harness

    269 - Earth connection (sender earth) -1-, in dash panel wiring harness

    A76 - Connection (diagnosis wire K), in dash panel wiring harness

    * - Applicable up to model year 2000

    ** - Applicable from model year 2001

    *** - Output for signal earth

    Page 10 of 111.9 litre unit injector, TDI engine, 85 kW, 4-cylinder, engine code AJM

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  • Audi A4 Current Flow Diagram No. 21 / 10

    ws = whitesw = blackro = redrt = redbr = browngn = greenbl = bluegr = greyli = purplevi = purplege = yellowor = orangers = rosa

    Dash panel insert, warning lamps, speedometer sender, oil pressure switch, oil level/oil temperature senderF1 - Oil pressure switchG22 - Speedometer senderG266 - Oil level/oil temperature senderJ218 - Combi-processor in dash panel

    insertK2 - Alternator warning lampK29 - Glow period warning lampT10 - 10-pin connector, brown,

    connector point, electronics box, plenum chamber

    T10m - 10-pin connector, black, connector point, electronics box, plenum chamber

    T32 - 32-pin connector, blue, on dash panel insert

    T32a - 32-pin connector, green, on dash panel insert

    156 - Earth connection, in diesel direct injection wiring harness

    A17 - Connection (61), in dash panel wiring harness

    A74 - Connection (15a, fuse 5), in dash panel wiring harness

    * - Applicable up to model year 2000

    ** - Applicable from model year 2001

    Page 11 of 111.9 litre unit injector, TDI engine, 85 kW, 4-cylinder, engine code AJM

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