Wiring Diagram AUDI A3 2004 - Telephone AEG (D-network)

| D | Ignition/starter switch |
| J371 | Telephone isolation relay |
| R | Radio |
| R36 | Telephone transmitter and receiver unit |
| R38 | Telephone microphone |
| R39 | Loudspeaker for telephone |
| T2z | 2-pin connector, at A pillar, left |
| T8 | 8-pin connector, on radio |
| T16 | 16-pin connector, black, centre console compartment (diagnosis connector) |
| A2 | Positive (+) connection (15), in dash panel wiring harness |
| A57 | Connection (30a), in dash panel wiring harness |
| V16 | Connection (screening), in telephone wiring harness |
| V34 | Connection (muting), in telephone wiring harness |
| * | Only models with radio-gamma/radio-delta and radio-Bose sound system |
Wiring Diagram AUDI A3 2004 - Telephone AEG (D-network)
| R36 | Telephone transmitter and receiver unit |
| R37 | Telephone handset |
| T8b | 8-pin connector, in centre console |
| 49 | Earth point, next to steering columm, left |
| V16 | Connection (screening), in telephone wiring harness |
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