Wiring Diagram AUDI Q7 2008 - Adaptive cruise control unit - Data bus diagnostic interface - Sensor heater for adaptive cruise control system
| J329 | Terminal 15 voltage supply relay |
| J428 | Adaptive cruise control unit |
| J533 | Data bus diagnostic interface |
| SB2 | Fuse 2 on fuse holder B |
| ST3 | Fuse carrier 3 |
| SB6 | Fuse 6 on fuse holder B |
| T3ak | 3-pin connector, in front bumper on left, black |
| T8c | 8-pin connector, front left in engine compartment, black |
| T20 | 20-pin connector, black |
| T26b | 26-pin connector, black |
| Z47 | Sensor heater for adaptive cruise control system |
| 368 | Earth connection 3, in main wiring harness |
| 640 | Earth point 2, left in engine compartment |
| B108 | Connection 1 (CAN bus extended high), in main wiring harness |
| B109 | Connection 1 (CAN bus extended low), in main wiring harness |
| B273 | Positive connection (15), in main wiring harness |
| C45 | Positive connection 1 (15), in front wiring harness |
| * | Relay and fuse carrier, under driver seat |
| *2 | Up to May 2007 |
| *3 | From June 2007 |
| *4 | Data bus wire (CAN bus) |
| *5 | From June 2008 |
| *6 | Up to May 2008 |
AUDI Q7 2008 Overview of relays
| 1 - | relay and fuse carrier centre dash panel |
| q | Fitting location and relay assignment → chapter |
| 2 - | Relay and fuse carrier on right in luggage compartment |
| q | Fitting location and relay assignment → chapter |
| 3 - | Relay and fuse carrier under driver seat |
| q | Fitting location and relay assignment → chapter |
| 4 - | Relay and fuse carrier in electronics box engine compartment |
| q | Fitting location and relay assignment, petrol engine, up to May 2009 → chapter |
| q | Fitting location and relay assignment, diesel engine, up to May 2009 → chapter |
| q | Fitting location and relay assignment, petrol engine, from June 2009 → chapter |
| q | Fitting location and relay assignment, diesel engine, from June 2009 → chapter |
| q | Fitting location and relay assignment, V12 TDI → chapter |
| 1 - | Adaptive suspension compressor relay -J403- |
| 2.1 - | Terminal 75x voltage supply relay -J694- |
| 2.2 - | Dual tone horn relay -J4- |
| 3 - | Headlight washer system relay -J39- |
| 4 - | Brake light suppression relay -J508- |
| 5 - | Vacant |
| 6 - | Heated rear window relay -J9- |
| 7.1 - | Continued coolant circulation relay -J151- |
| q | V6 TDI, V8 MPI/FSI, V12 TDI |
| q | V6 FSI from June 2009 |
| 7.1 - | Coolant shut-off valve relay -J541- |
| q | only for models with 6-cylinder diesel engine, generation 2 |
| 7.2 - | Relay for automatic anti-dazzle interior mirror -J910- |
| q | from June 2010 |
| 8 - | Gearbox hydraulic pump relay -J510- |
| q | From June 2010, only models with 8-speed automatic gearbox |
| 1a - | Vacant |
| 2a - | Vacant |
| 3a - | Vacant |
|
| 1 - | Vacant |
| 2 - | Vacant |
| 3 - | Vacant |
| q | up to October 2007 |
| 3 - | 6-pin, connector -T6am-, for Rear Seat Entertainment |
| q | from November 2007 |
|
| 1 - | Terminal 15 voltage supply relay -J329- |
|
| A1 - | Starter motor relay -J53- |
| A2 - | Starter motor relay 2 -J695- |
| A3 - | Engine component current supply relay -J757- |
| A4 - | Secondary air pump relay -J299-1) only |
| A5 - | Brake servo relay -J569- |
| A6 - | Continued coolant circulation relay -J151- |
| B1 - | Vacant |
| B2 - | Vacant |
| B3 - | Fuel pump relay -J17- |
| B4 - | Vacant |
| B5 - | Fuel cooling pump relay -J445- |
| B6 - | Vacant |
| C1 - | Circulation pump relay -J160- |
| C2 - | Motronic current supply relay -J271- |
| Note
|
| A1 - | Automatic glow period control unit -J179- |
| A2 - | Starter motor relay -J53- |
| A3 - | Glow period control unit 2 -J703-1) only |
| A4 - | Starter motor relay 2 -J695- |
| A5 - | Vacant |
| A6 - | Relay for supplementary fuel pump -J832- |
| B1 - | Low heat output relay -J359-2) only |
| B2 - | Vacant |
| B3 - | Fuel pump relay -J17- |
| B4 - | High heat output relay -J360-2) only |
| B5 - | Fuel cooling pump relay -J445- |
| B6 - | Auxiliary coolant pump relay -J496-1) only |
| C1 - | Fuel pump relay for auxiliary heater -J749- |
| C2 - | Terminal 30 voltage supply relay -J317- |
| Note
|
| A1 - | Engine component current supply relay -J757- |
| A2 - | Motronic current supply relay -J271- |
| A3 - | Vacant |
| A4 - | Secondary air pump relay -J299-1) 3) |
| A5 - | Starter motor relay -J53- |
| A6 - | Starter motor relay 2 -J695- |
| B1 - | Vacant |
| B2 - | Vacant |
| B3 - | Vacant |
| B4 - | Vacant |
| B5 - | Vacant |
| B6 - | Vacant |
| C1 - | Circulation pump relay -J160-1) only |
| C1 - | Brake servo relay -J569-2) only |
| C1 - | Auxiliary coolant pump relay -J496-3) only |
| C2 - | Vacant |
| Note
|
| A1 - | Automatic glow period control unit -J179- |
| A2 - | Terminal 30 voltage supply relay -J317- |
| A3 - | Glow period control unit 2 -J703-1) 3) 4) |
| A4 - | Relay for supplementary fuel pump -J832-2) only |
| A5 - | Starter motor relay -J53- |
| A6 - | Starter motor relay 2 -J695- |
| B1 - | Low heat output relay -J359-2) 5) |
| B2 - | Vacant |
| B3 - | Relay for 3rd heat setting -J959-5) only |
| B4 - | High heat output relay -J360-2) 5) |
| B5 - | Fuel pump relay for auxiliary heater -J749-3) only |
| B6 - | Auxiliary coolant pump relay -J496-1) only |
| C1 - | Fuel cooling pump relay -J445-2) 3) |
| C2 - | Fuel pump relay -J17-3) only |
| Note
|
| A1 - | Automatic glow period control unit -J179- |
| A2 - | Starter motor relay -J53- |
| A3 - | Glow period control unit 2 -J703- |
| A4 - | Starter motor relay 2 -J695- |
| A5 - | Vacant |
| A6 - | Vacant |
| B1 - | Vacant |
| B2 - | Vacant |
| B3 - | Fuel pump relay -J17- |
| B4 - | Vacant |
| B5 - | Fuel cooling pump relay -J445- |
| B6 - | Auxiliary coolant pump relay -J496- |
| C1 - | Fuel pump relay for auxiliary heater -J749- |
| C2 - | Terminal 30 voltage supply relay -J317- |
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