Wiring Diagram AUDI A4 2002 - Mobile phone
| D | Ignition/starter switch |
| J218 | Combi-processor in dash panel insert |
| J412 | Operating electronics control unit, telephone |
| R38 | Telephone microphone |
| T2a | 2-pin connector, at A pillar, left |
| T10ag | 10-pin connector, brown, in centre console |
| T32 | 32-pin connector, blue, on dash panel insert |
| 44 | Earth point, lower part of left A-pillar |
| 270 | Earth connection, in telephone wiring harness |
| A2 | Positive (+) connection (15), in dash panel wiring harness |
| A19 | Connection (58d), in dash panel wiring harness |
| A57 | Connection (30a), in dash panel wiring harness |
| * | Does not apply to provision for mobile phone |
Wiring Diagram AUDI A4 2002 - Mobile phone
| J218 | Combi-processor in dash panel insert |
| J402 | Operating electronics control unit, navigation |
| J412 | Operating electronics control unit, telephone |
| R | Radio |
| R39 | Telephone/loudspeaker |
| R11 | Aerial |
| T6n | 6-pin connector, yellow, at A pillar, left |
| T8a | 8-pin connector, black, on radio |
| T8b | 8-pin connector, brown, on radio |
| T10af | 10-pin connector, red, on radio |
| T10ag | 10-pin connector, brown, in centre console |
| T32a | 32-pin connector, green, on dash panel insert |
| A60 | Connection (vehicle speed signal), in dash panel wiring harness |
| A129 | Connection (muting), in dash panel wiring harness |
| * | Only models with navigation system |
| ** | Without navigation system and without radio |
| *** | Without navigation system and with radio |
| **** | Applicable from 4/98 |
| ***** | Applies to Audi saloons only |
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