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Wiring Diagram AUDI A6 2007 - CAN disconnector left
| J104 | ABS control unit |
| J217 | Automatic gearbox control unit |
| J248 | Diesel direct injection system control unit |
| J527 | Steering column electronics control unit |
| J623 | Engine control unit |
| T16b | 16-pin connector, behind steering column switch trim |
| T16c | 16-pin connector, black, on automatic gearbox control unit |
| T17a | 17-pin connector, red, coupling station on electronics box, left in plenum chamber |
| T17c | 17-pin connector, white, coupling station on electronics box, left in plenum chamber |
| T17d | 17-pin connector, black, coupling station on left A-pillar |
| T20e | 20-pin connector, black, on automatic gearbox control unit |
| T46a | 46-pin connector, CAN disconnector left |
| * | automatic gearbox 01J |
| ** | automatic gearbox 09L |
| *** | 3.2 l engine, engine codes AUK, BKH |
| # | 4.2 l engine, engine code BAT, BNK |
| 3.0 l engine, engine code BBJ | |
| ## | 2.4 l engine, engine code BDW |
| ### | 3.0 l Diesel engine, engine codes BMK, BNG |
| ♦ | 2.0 l engine, engine code BPJ |
| ♦♦ | 2.0 l Diesel engine, engine codes BLB, BNA, BRE, BRF |
Wiring Diagram AUDI A6 2007 - CAN disconnector left
| J104 | ABS control unit |
| J217 | Automatic gearbox control unit |
| J248 | Diesel direct injection system control unit |
| J527 | Steering column electronics control unit |
| J623 | Engine control unit |
| T16b | 16-pin connector, behind steering column switch trim |
| T16c | 16-pin connector, black, on automatic gearbox control unit |
| T17a | 17-pin connector, red, coupling station on electronics box, left in plenum chamber |
| T17c | 17-pin connector, white, coupling station on electronics box, left in plenum chamber |
| T17d | 17-pin connector, black, coupling station on left A-pillar |
| T20e | 20-pin connector, black, on automatic gearbox control unit |
| T46a | 46-pin connector, CAN disconnector left |
| * | automatic gearbox 01J |
| ** | automatic gearbox 09L |
| *** | 3.2 l engine, engine codes AUK, BKH |
| # | 4.2 l engine, engine code BAT, BNK |
| 3.0 l engine, engine code BBJ | |
| ## | 2.4 l engine, engine code BDW |
| ### | 3.0 l Diesel engine, engine codes BMK, BNG |
| ♦ | 2.0 l engine, engine code BPJ |
| ♦♦ | 2.0 l Diesel engine, engine codes BLB, BNA, BRE, BRF |
Wiring Diagram AUDI A6 2007 - CAN disconnector left
| J136 | Seat and steering column adjustment control unit with memory |
| J255 | Climatronic control unit |
| J364 | Auxiliary heater control unit |
| J386 | Driver door control unit |
| J388 | Rear left door control unit |
| J519 | Onboard supply control unit |
| J527 | Steering column electronics control unit |
| T8a | 8-pin connector, black, on auxiliary heater control unit |
| T10i | 10-pin connector, red, on left seat cross member |
| T10v | 10-pin connector, white, coupling station on electronics box, left in plenum chamber |
| T16b | 16-pin connector, behind steering column switch trim |
| T16d | 16-pin connector, brown, connector C, on Climatronic control unit |
| T20a | 20-pin connector, black, left A-pillar |
| T20c | 20-pin connector, black, left B-pillar |
| T20i | 20-pin connector, black, connector B, on driver door control unit |
| T20l | 20-pin connector, black, connector B, on rear left door control unit |
| T32a | 32-pin connector, on seat adjustment with memory control unit |
| T32c | 32-pin connector, white, connector C, on onboard supply control unit |
| T46a | 46-pin connector, CAN disconnector left |
| * | models with auxiliary heater |
Wiring Diagram AUDI A6 2007 - CAN disconnector left
| J136 | Seat and steering column adjustment control unit with memory |
| J255 | Climatronic control unit |
| J364 | Auxiliary heater control unit |
| J386 | Driver door control unit |
| J388 | Rear left door control unit |
| J519 | Onboard supply control unit |
| J527 | Steering column electronics control unit |
| T8a | 8-pin connector, black, on auxiliary heater control unit |
| T10i | 10-pin connector, red, on left seat cross member |
| T10v | 10-pin connector, white, coupling station on electronics box, left in plenum chamber |
| T16b | 16-pin connector, behind steering column switch trim |
| T16d | 16-pin connector, brown, connector C, on Climatronic control unit |
| T20a | 20-pin connector, black, left A-pillar |
| T20c | 20-pin connector, black, left B-pillar |
| T20i | 20-pin connector, black, connector B, on driver door control unit |
| T20l | 20-pin connector, black, connector B, on rear left door control unit |
| T32a | 32-pin connector, on seat adjustment with memory control unit |
| T32c | 32-pin connector, white, connector C, on onboard supply control unit |
| T46a | 46-pin connector, CAN disconnector left |
| * | models with auxiliary heater |
Wiring Diagram AUDI A6 2007 - CAN disconnector right
| J197 | Adaptive suspension control unit |
| J234 | Airbag control unit |
| J431 | Headlight range control, control unit |
| J533 | Data bus diagnostic interface |
| J540 | Electric park and handbrake control unit |
| T9 | 9-pin connector, grey, connector A, on adaptive suspension control unit |
| T26 | 26-pin connector, black, on headlight range control, control unit |
| T26a | 26-pin connector, black, on data bus diagnostic interface |
| T30 | 30-pin connector, black, on electric park and handbrake control unit |
| T46b | 46-pin connector, CAN disconnector right |
| T75 | 75-pin connector, grey*, on airbag control unit |
| * | Connector colour USA: white |
Wiring Diagram AUDI A6 2007 - CAN disconnector right
| J345 | Trailer detector control unit |
| J387 | Front passenger side door control unit |
| J389 | Rear right door control unit |
| J393 | Convenience system central control unit |
| J446 | Parking aid control unit |
| J502 | Tyre pressure monitor control unit |
| J518 | Entry and start authorisation control unit |
| J520 | Onboard supply control unit 2 |
| J521 | Front passenger seat adjustment with memory control unit |
| J533 | Data bus diagnostic interface |
| J608 | Special vehicle control unit |
| J644 | Energy management control unit |
| J772 | Reversing camera system control unit |
| T10k | 10-pin connector, red, on right of seat cross member |
| T20b | 20-pin connector, black, right A-pillar |
| T20d | 20-pin connector, black, right B-pillar |
| T32b | 32-pin connector, on front passenger seat adjustment with memory control unit |
| T46b | 46-pin connector, CAN disconnector right |
| T54b | 54-pin connector, on reversing camera system control unit |
| B397 | Connection 1 (convenience CAN bus, high), in main wiring harness |
| * | Taxi, police, special vehicle |
| ** | models with reversing camera system |
| *** | not USA |
Wiring Diagram AUDI A6 2007 - CAN disconnector right
| J345 | Trailer detector control unit |
| J387 | Front passenger side door control unit |
| J389 | Rear right door control unit |
| J393 | Convenience system central control unit |
| J446 | Parking aid control unit |
| J502 | Tyre pressure monitor control unit |
| J518 | Entry and start authorisation control unit |
| J520 | Onboard supply control unit 2 |
| J521 | Front passenger seat adjustment with memory control unit |
| J533 | Data bus diagnostic interface |
| J608 | Special vehicle control unit |
| J644 | Energy management control unit |
| J772 | Reversing camera system control unit |
| T10k | 10-pin connector, red, on right of seat cross member |
| T20b | 20-pin connector, black, right A-pillar |
| T20d | 20-pin connector, black, right B-pillar |
| T32b | 32-pin connector, on front passenger seat adjustment with memory control unit |
| T46b | 46-pin connector, CAN disconnector right |
| T54b | 54-pin connector, on reversing camera system control unit |
| B406 | Connection 1 (convenience CAN bus, low), in main wiring harness |
| * | Taxi, police, special vehicle |
| ** | models with reversing camera system |
| *** | not USA |
AUDI A6 2007 Overview of control units
| 1 - | Garage door operation control unit -J530- |
| q | Location ⇒ page → 804/5 |
| q | Connector assignment → page 804/6 |
| 2 - | Engine control unit -J623- |
| q | Location → page 804/7 |
| 3 - | Control units behind the glove box |
| q | Components: -J197-, -J431-, -J502-, -J520-, -J523-, -J533-, -J723- |
| q | Location → page 804/8 |
| q | Connector assignment -J197- → page 804/9 |
| q | Connector assignment -J431- → page 804/10 |
| q | Connector assignment -J502- → page 804/11 |
| q | Connector assignment -J520- → page 804/12 |
| q | Connector assignment -J723- → page 804/13 |
| Audi A6 | Fitting Locations | No. 804 / 2 |
| 3 - | Drive in glove box |
| q | Components: -R41-, -R89-, -R118-, -R119-, -R153- |
| q | Location → page 804/32 |
| 4 - | Control units on right in luggage compartment |
| q | Components: -J345-, -J446-, -J540-, -R86- |
| q | Location → page 804/16 |
| q | Connector assignment -J345- → page 804/17 |
| q | Connector assignment -J446- → page 804/18 |
| q | Connector assignment -J540- → page 804/19 |
| 5 - | Convenience system central control unit -J393- |
| q | Location → page 804/20 |
| 6 - | Energy management control unit -J644- |
| q | Location → page 804/21 |
| q | Connector assignment → page 804/22 |
| 7 - | Control units on left in luggage compartment |
| q | Components: -J525-, -R78-, -J401-, -R-, -R12-, -J507- |
| q | Location → page 804/33 |
| Audi A6 | Fitting Locations | No. 804 / 3 |
| 8 - | Radio controlled clock receiver -J489- |
| q | Location → page 804/23 |
| 9 - | Seat and steering column adjustment control unit with memory -J136-, front passenger seat adjustment with memory control unit -J521- |
| q | Location → page 804/24 |
| q | Connector assignment → page 804/25 |
| 10 - | Airbag control unit -J234- |
| q | Location → page 804/14 |
| q | Connector assignment → page 804/15 |
| 11 - | Entry and start authorisation control unit -J518- |
| q | Location → page 804/26 |
| q | Connector assignment → page 804/27 |
| 12 - | Behind driver storage compartment control units |
| q | Location → page 804/28 |
| q | Connector assignment -J519- → page 804/29 |
| 13 - | Wiper motor control unit -J400- |
| q | Location → page 804/30 |
| Audi A6 | Fitting Locations | No. 804 / 4 |
| 14 - | Automatic gearbox control unit -J217- |
| q | Location → page 804/31 |
| Audi A6 | Fitting Locations | No. 804 / 5 |
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| Audi A6 | Fitting Locations | No. 804 / 6 |
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| A - | 4-pin connector |
| Audi A6 | Fitting Locations | No. 804 / 7 |
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| Audi A6 | Fitting Locations | No. 804 / 8 |
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| Audi A6 | Fitting Locations | No. 804 / 9 |
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| A - | 9-pin connector, grey -T9- |
| B - | 18-pin connector, grey -T18- |
| C - | 15-pin connector, purple -T15a- |
| D - | 12-pin connector, green -T12k- |
| E - | 6-pin connector, blue -T6m- |
| Audi A6 | Fitting Locations | No. 804 / 10 |
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| A - | 26-pin connector, black -T26- |
| Audi A6 | Fitting Locations | No. 804 / 11 |
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| A - | 32-pin connector, white -T32e- |
| Audi A6 | Fitting Locations | No. 804 / 12 |
| Connector assignment. |
| A - | Onboard supply control unit 2 -J520- |
| Connector: |
| B - | 40-pin connector, black -T40- |
| Audi A6 | Fitting Locations | No. 804 / 13 |
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| A - | 20-pin connector, red -T20- |
| Audi A6 | Fitting Locations | No. 804 / 14 |
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| Audi A6 | Fitting Locations | No. 804 / 15 |
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| A - | 75-pin connector, grey -T75- (USA: white) |
| Audi A6 | Fitting Locations | No. 804 / 16 |
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Note:
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| Audi A6 | Fitting Locations | No. 804 / 17 |
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| A - | 16-pin connector, black -T16f- |
| B - | 12-pin connector, red -T12n- |
| C - | 12-pin connector, blue -T12o- |
| Audi A6 | Fitting Locations | No. 804 / 18 |
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| A - | 16-pin connector, brown -T16a- |
| B - | 12-pin connector, brown -T12d- |
| C - | 12-pin connector, black -T12e- |
| Audi A6 | Fitting Locations | No. 804 / 19 |
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| A - | 30-pin connector, black -T30- |
| Audi A6 | Fitting Locations | No. 804 / 20 |
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| Audi A6 | Fitting Locations | No. 804 / 21 |
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| Audi A6 | Fitting Locations | No. 804 / 22 |
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| A - | 14-pin connector |
| Audi A6 | Fitting Locations | No. 804 / 23 |
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| Audi A6 | Fitting Locations | No. 804 / 24 |
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| Audi A6 | Fitting Locations | No. 804 / 25 |
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| A - | 32-pin connector -T32a- or -T32b- |
| B - | 12-pin connector -T12l- or -T12m- |
| Audi A6 | Fitting Locations | No. 804 / 26 |
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| Audi A6 | Fitting Locations | No. 804 / 27 |
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| A - | 20-pin connector, black -T20h- |
| B - | 3-pin connector, black -T3q- |
| Audi A6 | Fitting Locations | No. 804 / 28 |
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| Audi A6 | Fitting Locations | No. 804 / 29 |
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| A - | 10-pin connector, black -T10- |
| B - | 12-pin connector, black -T12- |
| C - | 32-pin connector, white -T32c- |
| Audi A6 | Fitting Locations | No. 804 / 30 |
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| Audi A6 | Fitting Locations | No. 804 / 31 |
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| Audi A6 | Fitting Locations | No. 804 / 32 |
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Note:
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| Audi A6 | Fitting Locations | No. 804 / 33 |
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| Audi A6 | Fitting Locations | No. 804 / 34 |
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| A - | 32-pin connector, grey -T32- |
| Audi A6 | Fitting Locations | No. 804 / 35 |
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