Wiring Diagram AUDI A6 2008 - Ringbreak diagnosis
| J523 | Front information display and operating unit control unit |
| J533 | Data bus diagnostic interface |
| R36 | Telephone transmitter and receiver unit |
| R118 | Media player in position 1 |
| R119 | Media player in position 2 |
| R147 | Digital radio |
| T42 | 42-pin connector, on telephone transmitter and receiver unit |
| T54 | 54-pin connector, black, on telephone transmitter and receiver unit |
| B445 | Connection 2 (diagnosis), in main wiring harness (ring brake diagnosis) |
| * | models with telephone |
| ** | models with preparation for mobile telephone |
| *** | models with Bluetooth car phone |
| # | models with MMI basic (in glove box) |
| ## | models with MMI basic plus and MMI (in left luggage compartment) |
| ### | models with digital radio |
| ♦ | not for DSP and BOSE soundsystem |
Wiring Diagram AUDI A6 2008 - Ringbreak diagnosis
| J401 | Navigation system with CD drive control unit |
| J525 | Digital sound package control unit |
| R | Radio |
| R78 | TV tuner |
| R146 | Satellite radio |
| R147 | Digital radio |
| B444 | Connection 1 (diagnosis), in main wiring harness |
| * | models with MMI basic plus, 6 channel DSP-sound system |
| ** | models with MMI basic plus, BOSE soundsystem |
| *** | models with MMI, BOSE soundsystem |
| # | models with navigation system |
| ## | models with TV tuner |
| ### | models with satellite radio |
| ♦ | models with digital radio |
| ♦♦ | up to February 2005 |
| ♦♦♦ | MMI with BOSE 6000 soundsystem |
AUDI A6 2008 Overview of control units
| q | Connector assignment |
| q | Connector assignment -J197- |
| q | Connector assignment -J431- |
| q | Connector assignment -J502- |
| q | Connector assignment -J520- |
| q | Connector assignment -J723- |
