2,8 l fuel injection engine (142 kW - Motronic - 6-cylinder) 2.4 l fuel … · Audi A6 No. 1/7 Motronic control unit, fuel pump relay, lambda probes, activated charcoal filter system

Current Flow Diagram

Edition 01.98

Micro-central electrics

Position of relays:

2 - X contact relief relay (J59)

4 - Fuel pump relay (J17)

5 - Automatic intermittent wash/wipe relay (J31)

1 - Dual tone horn relay (J4)

30 A - green25 A - white20 A - yellow15 A - blue10 A - red5 A - beige

Fuse colours:

Fuse box

6 - Automatic intermittent wash/wipe relay (J31)

13-point relay carrier

Position of relays:

-

4 - Starter inhibitor relay (J207)

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

A97--0119

Res

Res

Res

Res

Res

8 12 1 6 2 0

5

3

2

1

4

6

7

10

11

14

15

18

19

22

23

9 13 1 7 2 1

24

25

26

27

28

29

30

24 31 38

32 39

33 40

34 41

35 42

36 43

37 44

A97--0110

75X 30 30 30a 87F/Diesel

5 6

A B C

A97--0024

14

18171615

1 3 4 5 6

7 9 10 11 12 13

2

8

Audi A6 No. 1

2,8 l fuel injection engine (142 kW - Motronic - 6-cylinder)

2.4 l fuel injection engine (121 kW - Motronic - 6-cylinder)

Engine code ACK, ALG/AGA, AJG, ALF, ALW

Model year 1998


Edition 01.98

8-point relay carrier

Position of relays:

14 - Fuse for 12 V socket (S184)

20 - Radiator fan fuse (S42)

21 - Radiator fan control unit fuse (S142)

3 - Radiator fan relay (J26)

3-point relay carrier in electronics box,plenum chamber

Position of relays:

7 - Secondary air pump fuse (S130)

2 - Secondary air pump relay (J299)

A97--0026

1

8

765432

14

24

15 16 17

13 12 11 10 9

23 22 21 19 1820

A97--0025

6

3

4 5

8 97

21

Audi A6 No. 1/1


Edition 03.98

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

Audi A6 No. 1/2Earth connections

3 - Earth strap, engine - body

12 - Earth point, in engine compartment, left

13 - Earth point, in engine compartment, right

43 - Earth point, lower part of right A-pillar

44 - Earth point, lower part of left A-pillar

81 - Earth connection -1-, in dash panel wiringharness

85 - Earth connection -1-, in engine compartmentwiring harness

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


176 - Earth connection, in right headlight wiringharness

179 - Earth connection, in left headlight wiringharness


Edition 03.98


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Audi A6 No. 1/3Battery, starter, alternator, starter inhibitor relay

A - BatteryB - StarterC - AlternatorC1 - Voltage regulatorF125 - Multi-function switchJ31 - Automatic intermittent wash/wipe relayJ207 - Starter inhibitor relayT2 - 2-pin connector, grey, in engine compartment,

rightT6l - 6-pin connector, red, connector point,

electronics box, plenum chamberT10o - 10-pin connector, brown, connector point,

electronics box, plenum chamberT10v - 10-pin connector, brown, connector point, A

pillar, right

1 - Earth strap, battery - body




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

A41 - Positive (+) connection (50), in dash panelwiring harness

- Models with manual gearbox- Models with automatic gearbox


Edition 01.98


Audi A6 No. 1/4Motronic control unit, injectors, ignition coils 1 - 3,intake air temperature sender

G42 - Intake air temperature senderJ220 - Motronic control unitN - Ignition coilN30 - Injector, cylinder 1N31 - Injector, cylinder 2N32 - Injector, cylinder 3N33 - Injector, cylinder 4N83 - Injector, cylinder 5N84 - Injector, cylinder 6N122 - Final output stageN128 - Ignition coil 2N158 - Ignition coil 3P - Spark plug connectorQ - Spark plugsS232 - Fuse in fuse boxT5f - 5-pin connector, at ignition coil unitT6l - 6-pin connector, red, connector point,

electronics box, plenum chamberT10n - 10-pin connector, yellow, connector point,

electronics box, plenum chamber


D95 - Connection (injectors), in engine compartmentwiring harness

D131 - Connection (15) via fuse, in enginecompartment wiring harness


Edition 01.98


Audi A6 No. 1/5Motronic control unit, knock sensors, throttle valvecontrol unit, engine speed sender, coolanttemperature senders

G2 - Coolant temperature senderG28 - Engine speed senderG61 - Knock sensor IG62 - Coolant temperature senderG66 - Knock sensor 2J220 - Motronic control unitJ338 - Throttle valve control unitT3w - 3-pin connector, grey, on engine speed senderT3x - 3-pin connector, blue, at knock sensor 1T3y - 3-pin connector, blue, at knock sensor 2T10n - 10-pin connector, yellow, connector point,

electronics box, plenum chamber


220 - Earth connection (sender earth), in enginewiring harness

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


Edition 10.98


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Audi A6 No. 1/6Motronic control unit, automatic gearbox controlunit, Hall senders

E87 - Control and display unit for air conditionerG40 - Hall senderG163 - Hall sender 2J104 - ABS with EDL control unitJ189 - Auto-check systemJ217 - Automatic gearbox control unitJ220 - Motronic control unitT6l - 6-pin connector, red, connector point,

electronics box, plenum chamberT10k - 10-pin connector, orange, connector point, A

pillar, leftT10n - 10-pin connector, yellow, connector point,


electronics box, plenum chamberT10p - 10-pin connector, black, connector point,

electronics box, plenum chamberT10w - 10-pin connector, blue, connector point, A pillar,

rightT15e - 15-pin connector, white, connector point,

electronics box, plenum chamberT20 - 20-pin connector, red/white, on dash panel

insert

A45 - Connection (engine speed signal), in dash panelwiring harness

A121 - Connection (high bus), in dash panel wiringharness

A122 - Connection (low bus), in dash panel wiringharness

● - CAN bus- Models with air conditioner- Models with traction control system switch

# - Not with models with CAN-bus## - Models with automatic gearbox 01N

### - Models with automatic gearbox 01V


Edition 10.98


*

Audi A6 No. 1/7Motronic control unit, fuel pump relay, lambdaprobes, activated charcoal filter system solenoidvalve

E87 - Control and display unit for air conditionerG39 - Lambda probeG108 - Lambda probe 2J17 - Fuel pump relayJ220 - Motronic control unitN80 - Activated charcoal filter system solenoid valve

1 (pulsed)S229 - Fuse in fuse boxS234 - Fuse in fuse boxT4u - 4-pin connector, black, for lambda probe IT4v - 4-pin connector, black, for lambda probe IIT6l - 6-pin connector, red, connector point,

electronics box, plenum chamberT10n - 10-pin connector, yellow, connector point,


electronics box, plenum chamberZ19 - Lambda probe heaterZ28 - Lambda probe 2 heater


200 - Earth connection (sender earth), in enginewiring harness

A68 - Connection (C15, air conditioner), in dash panelwiring harness

D23 - Connection (via fuse 229), in front right wiringharness

- Models with air conditioner# - Models with 2.8 l engine, front-wheel drive

## - Models with 2.8 l engine, four-wheel drive andmanual gearbox

### - Models with 2.4 l engine


Edition 03.98


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Audi A6 No. 1/8Motronic control unit, air mass meter, inletcamshaft timing adjustment valves, intakemanifold change-over valve, secondary air pump

F4 - Reversing light switchG70 - Air mass meterJ104 - ABS with EDL control unitJ217 - Automatic gearbox control unitJ220 - Motronic control unitJ299 - Secondary air pump relayN112 - Secondary air inlet valveN156 - Intake manifold change-over valveN205 - Inlet camshaft timing adjustment valve -1-N208 - Inlet camshaft timing adjustment valve -2-S130 - Secondary air pump fuseT6e - 6-pin connector, grey, connector point right

A-pillarT10k - 10-pin connector, orange, connector point, A

pillar, leftT10n - 10-pin connector, yellow, connector point,


electronics box, plenum chamberT10p - 10-pin connector, black, connector point,

electronics box, plenum chamberT10w - 10-pin connector, blue, connector point, A pillar,

rightV101 - Secondary air pump motor



- Models with manual gearbox- Models with automatic gearbox- Models with traction control system switch- Models with secondary air pump

# - Not with models with CAN-bus


Edition 03.98


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Audi A6 No. 1/9Fuel gauge sender, fuel pump, fuel pump relay,engine cooling

F18 - Radiator fan thermo-switchF54 - Radiator fan thermo-switchG - Fuel gauge senderG6 - Fuel pump (pre-supply pump)G169 - Fuel gauge sender 2G237 - Fuel gauge sender 3J26 - Radiator fan relayS42 - Radiator fan single fuseS142 - Radiator fan control unit fuseS228 - Fuse in fuse boxT6a - 6-pin connector, blue, connector point, A pillar,

leftT10f - 10-pin connector, brown, connector point, A

pillar, leftV7 - Radiator fan



193 - Earth connection -1-, in coolant fan wiringharness


- Models with front-wheel drive- Models with four-wheel drive


Edition 04.99


*

Audi A6 No. 1/10Dash panel insert, warning lamps, combi-processorin dash panel insert

F9 - Handbrake warning switchJ218 - Combi-processor in dash panel insertJ429 - Central locking control unitK1 - Main beam warning lampK2 - Alternator warning lampK4 - Side light warning lampK14 - Handbrake warning lampK18 - Trailer operation warning lampK29 - Glow period warning lampK65 - Left turn signal warning lampK86 - Traction control system warning lampK94 - Right turn signal warning lampT32 - 32-pin connector, blue, on dash panel insertT32a - 32-pin connector, green, on dash panel insert


A26 - Connection (door contact switch/driver’s side),in dash panel wiring harness

- Models with trailer coupling


Edition 04.99


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Audi A6 No. 1/11Dash panel insert, combi-processor in dash panelinsert, analogue clock, rev. counter, speedometer,fuel gauge, coolant temperature gauge

E87 - Control and display unit for air conditionerG1 - Fuel gaugeG3 - Coolant temperature gaugeG5 - Rev. counterG8 - Oil temperature senderG9 - Oil temperature gaugeG14 - VoltmeterG21 - SpeedometerG22 - Speedometer sender (Hall sender, on gearbox)H3 - Buzzer/gongJ218 - Combi-processor in dash panel insertJ489 - Radio wave clock receiverT2ai - 2-pin connector, black, oil sendersT4ah - 4-pin connector, black, on dash panel insertT10p - 10-pin connector, black, connector point,

electronics box, plenum chamberT32 - 32-pin connector, blue, on dash panel insertT32a - 32-pin connector, green, on dash panel insertY - Analogue clockY8 - Radio wave controlled clock



A8 - Positive (+) connection (58d), in dash panelwiring harness (display illumination)

A108 - Connection (speed signal), in dash panel wiringharness

- Models with air conditioner- Models with radio wave controlled clock- Sender earth output


Edition 03.98


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Audi A6 No. 1/12Dash panel insert, combi-processor in dash panelinsert, warning lamps, brake pad wear warning

E87 - Control and display unit for air conditionerF1 - Oil pressure switchF34 - Brake fluid level warning contactF66 - Coolant shortage indicator switchG238 - Air quality sensorJ104 - ABS with EDL control unitJ218 - Combi-processor in dash panel insertK3 - Oil pressure warning lampK16 - Reserve fuel warning lampK28 - Coolant temperature/coolant shortage warning

lampK32 - Brake pad/lining warning lampK47 - ABS warning lampN12 - Brake pad/lining wear indicator, right (shear

element)N13 - Brake pad/lining wear indicator, left (shear

element)T2ai - 2-pin connector, black, oil sendersT2ak - 2-pin connector, red, on bulkhead, leftT2al - 2-pin connector, red, on bulkhead, rightT6e - 6-pin connector, grey, connector point right

A-pillarT10e - 10-pin connector, purple, connector point, A

pillar, leftT10k - 10-pin connector, orange, connector point, A

pillar, leftT10p - 10-pin connector, black, connector point,

electronics box, plenum chamberT32 - 32-pin connector, blue, on dash panel insertT32a - 32-pin connector, green, on dash panel insert



- Models with ABS- Models with ABS and ESP- Models with air conditioner


Edition 03.98


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Audi A6 No. 1/13Dash panel insert, combi-processor in dash panelinsert, immobilizer reading coil, diagnosticconnector

D2 - Immobilizer reading coilE87 - Control and display unit for air conditionerJ104 - ABS with EDL control unitJ217 - Automatic gearbox control unitJ218 - Combi-processor in dash panel insertJ234 - Airbag control unitJ429 - Central locking control unitK - Diagnosis connectionK75 - Airbag warning lampK117 - Immobilizer warning lampR - RadioT3a - 3-pin connector, black, connector point, right A

pillarT8f - 8-pin connector, black, radio connector IIIT10k - 10-pin connector, orange, connector point, A

pillar, leftT10v - 10-pin connector, brown, connector point, A

pillar, rightT10x - 10-pin connector, pink, connector point, A pillar,

rightT15d - 15-pin connector, black, connector point, right A

pillarT16a - 16-pin connector, diagnosis connectionT32 - 32-pin connector, blue, on dash panel insertT32a - 32-pin connector, green, on dash panel insert


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

A120 - Connection (stationary time), in dash panelwiring harness

- Models with ABS- Models with ABS and FDR- Models with air conditioner

# - Models with automatic gearbox 01N## - Models with automatic gearbox 01V


Edition 03.98


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Audi A6 No. 1/14Ignition/starter switch, X contact relief relay

D - Ignition/starter switchJ59 - X contact relief relayJ217 - Automatic gearbox control unitJ234 - Airbag control unitJ429 - Central locking control unitR - RadioT8f - 8-pin connector, black, radio connector IIIT10x - 10-pin connector, pink, connector point, A pillar,


pillar


A21 - Connection (86s), in dash panel wiring harness

A52 - Positive (+) connection 2 (30), in dash panelwiring harness

- Models with manual gearbox- Models with automatic gearbox


Edition 03.98


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Audi A6 No. 1/15Lighting switch, left steering column switch, frontand rear fog light switch

E1 - Lighting switchE2 - Turn signal switchE4 - Headlight dipper/flasher switchE19 - Parking light switchE23 - Front and rear fog light switchK13 - Rear fog light warning lampK17 - Fog light warning lampL9 - Lighting switch light bulbL40 - Front and rear fog light switch illumination bulb


A43 - Connection (57L), in dash panel wiring harness

A44 - Connection (57R), in dash panel wiring harness


- Up to chassis number 5000- From chassis number 5001


Edition 01.98


Audi A6 No. 1/16Switches and instruments - lighting control,headlight range control

E20 - Switches and instruments - lighting controlE102 - Headlight range control adjusterL54 - Headlight range control adjuster light bulbT6i - 6-pin connector, red, connector point, A pillar,

rightT6k - 6-pin connector, pink, connector point, A pillar,

rightT10b - 10-pin connector, red, connector point, A pillar,

leftT10an - 10-pin connector, on headlight, leftT10ao - 10-pin connector, on headlight, rightV48 - Headlight range control motor, leftV49 - Headlight range control motor, right






Edition 01.98


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Audi A6 No. 1/17Hazard warning light switch

E3 - Hazard warning light switchJ2 - Hazard warning light relayJ234 - Airbag control unitJ429 - Central locking control unitT1d - Single connector, brown, connector point, right

A pillarT10t - 10-pin connector, orange, connector point, A

pillar, rightT15d - 15-pin connector, black, connector point, right A

pillar


A5 - Positive (+) connection (right turn signal), indash panel wiring harness

A6 - Positive (+) connection (left turn signal), in dashpanel wiring harness

- Up to chassis number 5000- From chassis number 5001- Models with trailer coupling


Edition 01.98


*

Audi A6 No. 1/18Windscreen washer/wiper system, heated washerjets

E22 - Intermittent wiper switchE38 - Intermittent wiper controlF77 - Windscreen washer fluid warning contactJ31 - Automatic intermittent wash/wipe relayT2an - 2-pin connector, washer jet, leftT2ao - 2-pin connector, washer jet, rightT6ac - 6-pin connector, brown, on intermittent wiper

controlT8i - 8-pin connector, at wiper switchT10a - 10-pin connector, pink, connector point, A pillar,

leftT10b - 10-pin connector, red, connector point, A pillar,

leftT10e - 10-pin connector, purple, connector point, A

pillar, leftV - Windscreen wiper motorV5 - Windscreen washer pumpZ20 - Heater element, left washer jetZ21 - Heater element, right washer jet




261 - Earth connection, in heated washer jet wiringharness

A96 - Connection (53c), in dash panel wiring harness

- Both possible


Edition 01.98


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Audi A6 No. 1/19Fuse box, number plate light, glove box light, foglight

L22 - Fog light bulb, leftL23 - Fog light bulb, rightS1 - Fuse in fuse boxS2 - Fuse in fuse boxS3 - Fuse in fuse boxS4 - Fuse in fuse boxS224 - Fuse in fuse boxS225 - Fuse in fuse boxS226 - Fuse in fuse boxS227 - Fuse in fuse boxT2ap - 2-pin connector, black, behind dash panel, rightT5a - 5-pin connector, black, behind dash panel, rightT6i - 6-pin connector, red, connector point, A pillar,



pillar, leftV12 - Rear window wiper motorW6 - Glove box lightX - Number plate light





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


L4 - Connection (75al), in air conditioner wiringharness

- Models with Thermotronic- Models with air conditioner- Only Avant models

# - Up to chassis number 5000## - From chassis number 5001


Edition 01.98


*

Audi A6 No. 1/20Fuse box, headlights

J429 - Central locking control unitM1 - Side light bulb, leftM3 - Side light bulb, rightM5 - Turn signal bulb, front leftM7 - Turn signal bulb, front rightM18 - Side turn signal bulb, leftM19 - Side turn signal bulb, rightM29 - Dipped beam bulb, leftM30 - Main beam bulb, leftM31 - Dipped beam bulb, rightM32 - Main beam bulb, rightS5 - Fuse in fuse boxS6 - Fuse in fuse boxS7 - Fuse in fuse boxS18 - Fuse in fuse boxS19 - Fuse in fuse boxS20 - Fuse in fuse boxS21 - Fuse in fuse boxS231 - Fuse in fuse boxT6k - 6-pin connector, pink, connector point, A pillar,

rightT10a - 10-pin connector, pink, connector point, A pillar,

leftT10t - 10-pin connector, orange, connector point, A

pillar, rightT10an - 10-pin connector, on headlight, leftT10ao - 10-pin connector, on headlight, right



A38 - Positive (+) connection -2- (15a), in dash panelwiring harness

J9 - Connection -1- (15a), in ABS wiring harness

- Models with front-wheel drive


Edition 01.98


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Audi A6 No. 1/21Fuse box, brake light switch

E97 - Memory operating unitF - Brake light switchJ217 - Automatic gearbox control unitJ429 - Central locking control unitS9 - Fuse in fuse boxS12 - Fuse in fuse boxS13 - Fuse in fuse boxS14 - Fuse in fuse boxS15 - Fuse in fuse boxS22 - Fuse in fuse boxS223 - Fuse in fuse boxT6k - 6-pin connector, pink, connector point, A pillar,

rightT10h - 10-pin connector, black, connector point, A

pillar, leftT10t - 10-pin connector, orange, connector point, A

pillar, rightT10u - 10-pin connector, black, connector point, A

pillar, rightT10v - 10-pin connector, brown, connector point, A

pillar, rightT15a - 15-pin connector, black, connector point, left A

pillarZ4 - Heated exterior mirror, driver’s sideZ5 - Heated exterior mirror, front passenger’s side

A1 - Positive (+) connection (30a), in dash panelwiring harness


Q12 - Positive (+) connection (30a), in electricwindow/central locking and door contact switchwiring harness

- Models with automatic gearbox 01N- Models with automatic gearbox 01V


Edition 03.98


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Audi A6 No. 1/22Fuse box, horn, front and rear cigarette lighters,horn

H - Horn plateH2 - High tone hornH7 - Low tone hornJ4 - Dual tone horn relayJ429 - Central locking control unitL15 - Ashtray light bulbL28 - Cigarette lighter light bulbS233 - Fuse in fuse boxS238 - Fuse in fuse boxS239 - Fuse in fuse boxS240 - Fuse in fuse boxS241 - Fuse in fuse boxS242 - Fuse in fuse boxS243 - Fuse in fuse boxT5d - 5-pin connector, behind steering column switch

trimT6i - 6-pin connector, red, connector point, A pillar,


leftT10t - 10-pin connector, orange, connector point, A

pillar, rightU1 - Cigarette lighterU9 - Cigarette lighter, rear





E112 - Connection (horn-87h), in dash panel wiringharness

Q11 - Positive (+) connection (30a), in electricwindow/central locking and door contact switchwiring harness

- Up to chassis number 5000- From chassis number 5001


Edition 03.98


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Audi A6 No. 1/23Tail light, brake lights, turn signals rear, rear foglight, 12 V socket

F125 - Multi-function switchL46 - Rear fog light bulb, leftM2 - Tail light bulb, rightM4 - Tail light bulb, leftM6 - Turn signal bulb, rear leftM8 - Turn signal bulb, rear rightM9 - Brake light bulb, leftM10 - Brake light bulb, rightM16 - Reversing light bulb, leftM17 - Reversing light bulb, rightM25 - High level brake light bulbS184 - Fuse for 12 V socketT6a - 6-pin connector, blue, connector point, A pillar,

leftT6b - 6-pin connector, white, connector point, A pillar,


pillar, leftT10w - 10-pin connector, blue, connector point, A pillar,

rightU5 - 12 V socket




A87 - Connection (RF (reversing light)), in dash panelwiring harness

- Models with manual gearbox- Models with automatic gearbox- Only Avant models


Edition 03.98


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Audi A6 No. 1/24Basic wiring for radio

E87 - Control and display unit for air conditionerJ429 - Central locking control unitL19 - Gear selector light bulbS236 - Fuse in fuse boxS237 - Fuse in fuse boxT8f - 8-pin connector, black, radio connector IIIT10i - 10-pin connector, dark brown, connector point

left A-pillarT10w - 10-pin connector, blue, connector point, A pillar,

rightT10x - 10-pin connector, pink, connector point, A pillar,


pillarW13 - Front passenger reading lightW19 - Reading light, driver’s side


A19 - Connection (58s), in dash panel wiring harnessswitch illumination

A27 - Connection (speed signal), in dash panel wiringharness


- Up to chassis number 5000- From chassis number 5001- Models with air conditioner


Edition 03.98


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Audi A6 No. 1/25Heater

E9 - Fresh air blower switchF54 - Radiator fan thermo-switchG112 - Control motor potentiometer, central flapG135 - Control motor potentiometer, defroster flapJ8 - Auxiliary heater relayJ214 - Thermotronic control unitJ248 - Diesel direct injection system control unitN24 - Fresh air blower with overheating fuse series

resistorT10o - 10-pin connector, brown, connector point,

electronics box, plenum chamberV2 - Fresh air blowerV70 - Central flap control motorV107 - Defroster flap control motorV154 - Fresh air/air recirculating flap control motor


- Models with auxiliary heater- Models with 1.6 l TDI engine- Models with 2,5 l TDI engine


Edition 01.98


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Audi A6 No. 1/26Heated rear window, ambient temperatureindicator, selector lever position indicator

E15 - Heated rear window switchE87 - Control and display unit for air conditionerG17 - Ambient temperature sensorG106 - Ambient temperature indicatorJ214 - Thermotronic control unitJ217 - Automatic gearbox control unitJ248 - Diesel direct injection system control unitT6a - 6-pin connector, blue, connector point, A pillar,

leftT10b - 10-pin connector, red, connector point, A pillar,

leftT10p - 10-pin connector, black, connector point,

electronics box, plenum chamberT10v - 10-pin connector, brown, connector point, A

pillar, rightY6 - Selector lever position indicatorZ1 - Heated rear window

75 - Earth point, right rear pillar




A73 - Connection (ambient temperature display), indash panel wiring harness

- Models with automatic gearbox 01N- Models with automatic gearbox 01V- Models with driver information system and

on-board computer- Both possible

# - Models with air conditioner## - Models with 6-cylinder TDI engine

2,8 l fuel injection engine (142 kW - Motronic - 6-cylinder) 2.4 l fuel … · Audi A6 No. 1/7 Motronic control unit, fuel pump relay, lambda probes, activated charcoal filter system

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