Wiring Diagram AUDI A3 2001 - Radio Bose system with and without CD changer

| J371 | Telephone isolation relay |
| R | Radio |
| R11 | Aerial |
| R36 | Telephone transmitter and receiver unit |
| R44 | Amplifier with bass loudspeaker (luggage compartment, left) |
| T6h | 6-pin connector, yellow, on radio |
| T8 | 8-pin connector, on radio |
| 49 | Earth point, next to steering columm, left |
| 133 | Earth connection, in loudspeaker wiring harness |
| V3 | Connection (NF), in rear speaker wiring harness |
| V21 | Connection (30), in radio - amplifier wiring harness |
| V34 | Connection (muting), in telephone wiring harness |
| * | Only models with D-network telephone |
| ** | Does not apply to models with D-network telephone |
Wiring Diagram AUDI A3 2001 - Radio Bose system with and without CD changer
| D | Ignition/starter switch |
| J218 | Combi-processor in dash panel insert |
| R | Radio |
| R12 | Amplifier |
| T6h | 6-pin connector, yellow, on radio |
| T8 | 8-pin connector, on radio |
| T32 | 32-pin connector, blue, on dash panel insert |
| T32a | 32-pin connector, green, on dash panel insert |
| 49 | Earth point, next to steering columm, left |
| 133 | Earth connection, in loudspeaker wiring harness |
| V3 | Connection (NF), in rear speaker wiring harness |
| A21 | Connection (86s), in dash panel wiring harness |
| B145 | Positive (+) connection (58b), in interior wiring harness |
Wiring Diagram AUDI A3 2001 - Radio Bose system with and without CD changer
| R | Radio |
| R12 | Amplifier |
| R21 | Bass loudspeaker, front left |
| R23 | Bass loudspeaker, front right |
| R26 | Middle-high tone loudspeaker, front left |
| R27 | Middle-high tone loudspeaker, front right |
| R34 | Middle-treble tone loudspeaker, rear left |
| R35 | Middle-treble tone loudspeaker, rear right |
| T2x | 2-pin connector, on loudspeaker rear left |
| T2y | 2-pin connector, on loudspeaker rear left |
| T5d | 5-pin connector, black, in driver's door |
| T5e | 5-pin connector, black, in front passenger's door |
| T6h | 6-pin connector, yellow, on radio |
| T10q | 10-pin connector, green, connector carrier, A pillar, left |
Wiring Diagram AUDI A3 2001 - Radio Bose system with and without CD changer
| J189 | Auto-check system |
| R | Radio |
| R41 | CD changer |
| T1 | Single connector, brown, on radio |
| T6k | 6-pin connector, on radio |
| T8c | 8-pin connector, blue, on radio |
| T20 | 20-pin connector, black, on dash panel insert |
| V94 | Central locking motor with control unit for interior lights switch-off delay and anti-theft alarm system |
| * | Only models with anti-theft alarm system |
| ** | Only models with driver information system |
Can't find your car? Check -> DiagnostData.com!