Wiring Diagram AUDI A4 1997 - Mobile phone
| D | Ignition/starter switch |
| J412 | Operating electronics control unit, telephone |
| R38 | Telephone microphone |
| R39 | Loudspeaker for telephone |
| T2a | 2-pin connector, at A pillar, left |
| T6l | 6-pin connector, brown, in centre console |
| T6n | 6-pin connector, yellow, at A pillar, left |
| 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 |
| A57 | Connection (30a), in dash panel wiring harness |
| V32 | Positive (+) connection (30), in telephone wiring harness |
| * | Does not apply to provision for mobile phone |
Wiring Diagram AUDI A4 1997 - Mobile phone
| J218 | Combi-processor in dash panel insert |
| J371 | Telephone isolation relay |
| J412 | Operating electronics control unit, telephone |
| R | Radio |
| R11 | Aerial |
| R12 | Amplifier |
| T2p | 2-pin connector, on radio |
| T6l | 6-pin connector, brown, in centre console |
| T8a | 8-pin connector, black, on radio |
| T26a | 26-pin connector, blue, on dash panel insert |
| A19 | Connection (58d), in dash panel insert |
| * | Does not apply to radio Beta, Audi Avant |
| ** | Applies to all radio versions, saloon models and to radio Beta, Audi Avant |
| *** | Only models with radio Bose sound system, Audi Avant |
| **** | Applies to Audi saloon only |
| ***** | Applies to Audi Avant models only |
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