| D | Ignition/starter switch |
| F4 | Reversing light switch |
| J104 | ABS with EDL control unit |
| J402 | Operating electronics control unit, navigation |
| M16 | Reversing light bulb, left |
| M17 | Reversing light bulb, right |
| T6g | 6-pin connector, grey, right connector point, A pillar |
| T8a | 8-pin connector, black, radio connector III |
| T10a | 10-pin connector, brown, left connector point, A pillar |
| T10m | 10-pin connector, black, connector point, electronics box, plenum chamber |
| T26b | 26-pin connector, black, on operating electronics control unit, navigation |
| 44 | Earth point, lower part of left A-pillar |
| A2 | Positive (+) connection (15), in dash panel wiring harness |
| A57 | Positive (+) connection -3- (30), in dash panel wiring harness |
| A70 | Connection (15a, fuse 231), in dash panel wiring harness |
| A87 | Connection (reversing light), in dash panel wiring harness |
| A127 | Connection (rear left speed sensor), in dash panel wiring harness |
| A128 | Connection (rear right speed sensor), in dash panel wiring harness |
| * | Only models with manual gearbox |
| ** | Only models with TCS |
| D | Ignition/starter switch |
| J218 | Combi-processor in dash panel insert |
| J402 | Operating electronics control unit, navigation |
| J412 | Mobile phone operating electronics control unit |
| R36 | Telephone transmitter and receiver unit |
| T6x | 6-pin connector, green, radio connector I-2 |
| T8a | 8-pin connector, black, radio connector III |
| T10ag | 10-pin connector, brown, in centre console |
| T16 | 16-pin connector, centre console, rear (diagnosis connection) |
| T32 | 32-pin connector, blue, on dash panel insert |
| T32a | 32-pin connector, green, on dash panel insert |
| 135 | Earth connection -2-, in dash panel wiring harness |
| A19 | Connection (58d), in dash panel wiring harness |
| A21 | Connection (86s), in dash panel wiring harness |
| A50 | Positive (+) connection (30as), in dash panel wiring harness |
| A60 | Connection (vehicle speed signal), in dash panel wiring harness |
| A76 | Connection (diagnosis wire K), in dash panel wiring harness |
| * | Only models with telephone |
| ** | Only models with mobile phone |
| *** | Only models with multi-function steering wheel |
| J189 | Auto-check system |
| J402 | Operating electronics control unit, navigation |
| J453 | Multi-function steering wheel control unit |
| R41 | CD changer |
| R88 | Multi-function steering wheel interface |
| T2ae | 2-pin connector, black, behind console |
| T6x | 6-pin connector, green, radio connector I-2 |
| T8c | 8-pin connector, blue, radio connector I-3 |
| T20 | 20-pin connector, black, on dash panel insert |
| 135 | Earth connection -2-, in dash panel wiring harness |
| 255 | Earth connection -1-, in radio wiring harness |
| A117 | Connection (enable), in dash panel wiring harness |
| A118 | Connection (data), in dash panel wiring harness |
| A119 | Connection (clock), in dash panel wiring harness |
| * | Only models with CD changer |
| ** | Only models with multi-function steering wheel |
| *** | Only models without multi-function steering wheel |
| J402 | Operating electronics control unit, navigation |
| J415 | Navigation/TV tuner |
| R39 | Telephone/navigation systems loudspeaker |
| R50 | Navigation aerial (GPS) |
| T6n | 6-pin connector, green, at A pillar, left |
| T6m | 6-pin connector, yellow, radio connector I-1 |
| T6at | 6-pin connector, white, on TV tuner |
| T8b | 8-pin connector, brown, radio connector II |
| T10as | 10-pin connector, red, behind dash panel, left |
| T26b | 26-pin connector, black, on operating electronics control unit, navigation |
| 135 | Earth connection -2-, in dash panel wiring harness |
| 266 | Earth connection, in navigation wiring harness |
| A74 | Connection (15a, fuse 5), in dash panel wiring harness |
| V23 | Positive (+) connection (15a), in navigation wiring harness |
| V23 | Positive (+) connection (15), in navigation wiring harness |
| * | Only models with radio Bose sound system |
| ** | Loudspeakers see contents (radio navigation system) |
| *** | Only models with multi-function steering wheel |
| J402 | Operating electronics control unit, navigation |
| J415 | Navigation/TV tuner |
| R1 | Aerial connection |
| R21 | Bass loudspeaker, front left |
| R23 | Bass loudspeaker, front right |
| R26 | Middle-high tone loudspeaker, front left |
| R27 | Middle-high tone loudspeaker, front right |
| T1l | Single connector, brown, on radio |
| T6n | 6-pin connector, yellow, at A pillar, left |
| T6u | 6-pin connector, yellow, at A pillar, right |
| T8b | 8-pin connector, brown, radio connector II |
| T11 | 11-pin connector, on TV tuner |
| T11a | 11-pin connector, black, on operating electronics control unit, navigation |
| T15a | 15-pin connector, black, right connector point, A pillar |
| V94 | Central locking motor with control unit for interior lights switch-off delay and anti-theft alarm system |
| * | Does not apply to radio Bose sound system |
| ** | Only models with Audi saloons |
| *** | Only models with anti-theft alarm system |
| J415 | Navigation/TV tuner |
| R1 | Aerial connection |
| R24 | Aerial amplifier |
| R55 | TV aerial -1-, in rear window |
| R56 | TV aerial -2-, in rear window |
| R57 | TV aerial -3-, in rear window |
| R58 | TV aerial -4-, in rear window |
| R82 | Aerial amplifier 1, TV |
| R83 | Aerial amplifier 2, TV |
| R84 | Aerial amplifier 3, TV |
| R85 | Aerial amplifier 4, TV |
| T6e | 6-pin connector, blue, left connector point, A pillar |
| Z1 | Heated rear window |
| Z24 | Heated rear window with window aerial |
| * | Only models with Audi saloons |
| E15 | Heated rear window switch |
| G183 | Glass breakage sensor, rear left side window |
| J415 | Navigation/TV tuner |
| R1 | Aerial connection |
| R18 | Frequency switch, left |
| R19 | Frequency switch, right |
| R55 | TV aerial -1-, in side window, right |
| R56 | TV aerial -2-, in side window, left |
| R57 | TV aerial -3-, in rear window |
| R58 | TV aerial -4-, in rear window |
| R82 | Aerial amplifier 1, TV |
| R83 | Aerial amplifier 2, TV |
| R84 | Aerial amplifier 3, TV |
| R85 | Aerial amplifier 4, TV |
| T6e | 6-pin connector, blue, left connector point, A pillar |
| T8f | 8-pin connector, brown, in luggage compartment, rear left |
| T10ai | 10-pin connector, purple, left connector point, A pillar |
| Z1 | Heated rear window |
| 218 | Earth connection -1- , in tailgate/bootlid wiring harness |
| * | Applies to Audi Avant models only |
| ** | Only models with Audi saloons |
| *** | With Audi Avant, only with anti-theft alarm system |
