| J285 | Control unit with display in dash panel insert |
| J402 | Navigation operating electronics control unit |
| S237 | Fuse in fuse holder |
| T8u | 8-pin connector, black, connector D, on navigation operating electronics control unit |
| T10bk | 10-pin connector, purple, on left in luggage compartment |
| T17r | 17-pin connector, withe, behind centre dash panel |
| T32c | 32-pin connector, grey, on dash panel insert |
| 280 | Earth connection, in communications wiring harness |
| 610 | Earth point (audio), under centre console, front |
| A148 | Connection (navigation CAN bus, high), in dash panel wiring harness |
| A149 | Connection (navigation CAN bus, low), in dash panel wiring harness |
| V37 | Positive connection (30), in communication wiring harness |
| V41 | Connection (high bus), in communication wiring harness |
| V42 | Connection (low bus), in communication wiring harness |
| * | models with radio Bose system |
| ** | models with active loudspeaker |
| # | models with TV tuner |
| ## | models without TV tuner |
| F4 | Reversing light switch |
| F125 | Multifunction switch |
| J285 | Control unit with display in dash panel insert |
| J402 | Navigation operating electronics control unit |
| J429 | Central locking control unit |
| T8u | 8-pin connector, black, connector D, on navigation operating electronics control unit |
| T10bk | 10-pin connector, purple, on left in luggage compartment |
| T12k | 12-pin connector, blue, connector B, on navigation operating electronics control unit |
| T12l | 12-pin connector, green, connector C, on navigation operating electronics control unit |
| T16a | 16-pin connector, diagnostic connector |
| T17 | 17-pin connector, orange, coupling station on right of A-pillar |
| T17k | 17-pin connector, red, coupling station on electronics box, plenum chamber |
| T17m | 17-pin connector, blue, coupling station on right of A-pillar |
| T17r | 17-pin connector, withe, behind centre dash panel |
| T32 | 32-pin connector, blue, on dash panel insert |
| A27 | Connection (speed signal), in dash panel wiring harness |
| A87 | Connection (RL), in dash panel wiring harness |
| A159 | Connection (L), in dash panel wiring harness |
| * | models with manual gearbox |
| ** | models with automatic gearbox |
| J402 | Navigation operating electronics control unit |
| J412 | Mobile telephone operating electronics control unit |
| J507 | Language input control unit |
| J526 | Telephone control unit |
| T8u | 8-pin connector, black, connector D, on navigation operating electronics control unit |
| T10bg | 10-pin connector, connector 2, on telematics control unit |
| T12l | 12-pin connector, green, connector C, on navigation operating electronics control unit |
| T15s | 15-pin connector, blue, coupling station on left of A-pillar |
| T17r | 17-pin connector, withe, behind centre dash panel |
| T18b | 18-pin connector, on telephone operating electronics control unit |
| T26c | 26-pin connector, green, on language input control unit |
| T46 | 46-pin connector, connector 1, on telephone control unit |
| * | models with microphone |
| ** | models with preparation for mobile telephone |
| # | without voice control |
| ## | with voice control |
| J402 | Navigation operating electronics control unit |
| R15 | Rear left bass loudspeaker |
| R17 | Rear right bass loudspeaker |
| R34 | Rear left mid-range and treble loudspeaker |
| R35 | Rear right mid-range and treble loudspeaker |
| R43 | Amplifier with bass loudspeaker, on right in luggage compartment |
| T3ag | 3-pin connector, blue, on left B-pillar |
| T3ah | 3-pin connector, blue, on right B-pillar |
| T3an | 3-pin connector, black, in rear left door |
| T3ao | 3-pin connector, black, in rear right door |
| T8u | 8-pin connector, black, connector D, on navigation operating electronics control unit |
| T12l | 12-pin connector, green, connector C, on navigation operating electronics control unit |
| 133 | Earth connection, in loudspeaker wiring harness |
| 280 | Earth connection, in communications wiring harness |
| * | models with active loudspeaker |
| J402 | Navigation operating electronics control unit |
| R21 | Front left bass loudspeaker |
| R23 | Front right bass loudspeaker |
| R26 | Front left mid-range and treble loudspeaker |
| R27 | Front right mid-range and treble loudspeaker |
| R52 | Radio, telephone and navigation system aerial |
| T3ae | 3-pin connector, brown, coupling station on left of A-pillar |
| T3af | 3-pin connector, brown, coupling station on right of A-pillar |
| T3al | 3-pin connector, black, in driver door |
| T3am | 3-pin connector, black, in front passenger door |
| T8t | 8-pin connector, brown, connector A, on navigation operating electronics control unit |
| * | models with active loudspeaker |
| ** | roof aerial |
| J402 | Navigation operating electronics control unit |
| R21 | Front left bass loudspeaker |
| R26 | Front left mid-range and treble loudspeaker |
| R43 | Amplifier with bass loudspeaker, on right in luggage compartment |
| T3ae | 3-pin connector, brown, coupling station on left of A-pillar |
| T3al | 3-pin connector, black, in driver door |
| T8u | 8-pin connector, black, connector D, on navigation operating electronics control unit |
| T12k | 12-pin connector, blue, connector B, on navigation operating electronics control unit |
| T12l | 12-pin connector, green, connector C, on navigation operating electronics control unit |
| 280 | Earth connection, in communications wiring harness |
| V6 | Connection (screening), in loudspeaker wiring harness |
| * | models with radio Bose system |
| J402 | Navigation operating electronics control unit |
| R15 | Rear left bass loudspeaker |
| R17 | Rear right bass loudspeaker |
| R23 | Front right bass loudspeaker |
| R27 | Front right mid-range and treble loudspeaker |
| R34 | Rear left mid-range and treble loudspeaker |
| R35 | Rear right mid-range and treble loudspeaker |
| R43 | Amplifier with bass loudspeaker, on right in luggage compartment |
| T3af | 3-pin connector, brown, coupling station on right of A-pillar |
| T3ag | 3-pin connector, blue, on left B-pillar |
| T3ah | 3-pin connector, blue, on right B-pillar |
| T3am | 3-pin connector, black, in front passenger door |
| T3an | 3-pin connector, black, in rear left door |
| T3ao | 3-pin connector, black, in rear right door |
| T4ax | 4-pin connector, on Bose power amplifier |
| * | models with radio Bose system |
| J402 | Navigation operating electronics control unit |
| J415 | Navigation system tuner for TV |
| J515 | Aerial selection control unit |
| T3bh | 3-pin connector, black, on aerial selection control unit |
| T10bk | 10-pin connector, purple, on left in luggage compartment |
| T54 | 54-pin connector, black, on TV tuner |
| 280 | Earth connection, in communications wiring harness |
| • | CAN bus (data wire) |
| # | models with TV tuner |
