| A | Battery |
| D | Ignition/starter switch |
| J285 | Control unit with display in dash panel insert |
| J526 | Telephone/telematics control unit |
| S2 | Fuse in fuse carrier |
| S119 | Telephone fuse |
| S204 | Fuse -1- (30) |
| T3as | 3-pin connector, black, in centre console |
| T10ae | 10-pin connector, on telephone/telematics control unit, connector 2 |
| T15 | 15-pin connector, black, in centre console |
| T32b | 32-pin connector, grey, on dash panel insert |
| TV2 | Terminal 30 junction box |
| 51 | Earth point, luggage compartment, right |
| 280 | Earth connection, in communication systems wiring harness |
| A2 | Positive (+) connection (15), in dash panel wiring harness |
| A19 | Connection (58s), in dash panel wiring harness (switch illumination) |
| V23 | Positive (+) connection (15a), in navigation wiring harness |
| V36 | Connection (58), in radio wiring harness |
| V43 | Positive (+) connection (30a), in communication systems wiring harness |
| E264 | Telematics operating unit |
| E275 | Breakdown help button |
| E276 | Emergency call button |
| J401 | Navigation system with CD drive control unit |
| J507 | Control unit for voice control |
| J526 | Telephone/telematics control unit |
| R | Radio |
| T8m | 8-pin connector, blue, on navigation control unit (C III) |
| T10u | 10-pin connector, red, radio connector IV |
| T10ae | 10-pin connector, on telephone/telematics control unit, connector 2 |
| T26f | 26-pin connector, on control unit for voice control |
| T46 | 46-pin connector, on telephone/telematics control unit, connector 1 |
| 280 | Earth connection, in communication systems wiring harness |
| V34 | Connection (muting), in telephone wiring harness |
| * | Telematics with voice control |
| ** | Telematics without voice control |
| *** | On models with navigation system 'NS Low' |
| J285 | Control unit with display in dash panel insert |
| J507 | Control unit for voice control |
| J526 | Telephone/telematics control unit |
| R | Radio |
| T6h | 6-pin connector, green, radio connector I-2 |
| T8 | 8-pin connector, black, radio connector III |
| T15 | 15-pin connector, black, in centre console |
| T16a | 16-pin connector, diagnosis connection |
| T26f | 26-pin connector, on control unit for voice control |
| T32a | 32-pin connector, green, on dash panel insert |
| T46 | 46-pin connector, on telephone/telematics control unit, connector 1 |
| A76 | Connection (diagnosis wire K), in dash panel wiring harness |
| A148 | Connection (navigation CAN bus, high), in dash panel wiring harness |
| A149 | Connection (navigation CAN bus, low), in dash panel wiring harness |
| V40 | Connection (diagnosis wire K), in communication systems wiring harness |
| V41 | Connection (high bus), in communication systems wiring harness |
| V42 | Connection (low bus), in communication systems wiring harness |
| • | CAN bus (data wire) |
| * | Telematics with voice control |
| J401 | Navigation system with CD drive control unit |
| J507 | Control unit for voice control |
| J526 | Telephone/telematics control unit |
| R | Radio |
| R38 | Telephone microphone |
| R39 | Telephone/navigation systems loudspeaker |
| T2v | 2-pin connector, black, next to interior light |
| T8m | 8-pin connector, blue, on navigation control unit (C III) |
| T10u | 10-pin connector, red, radio connector IV |
| T26f | 26-pin connector, on control unit for voice control |
| T46 | 46-pin connector, on telephone/telematics control unit, connector 1 |
| V49 | Connection (audio frequency, NF +), in communication wiring harness |
| V50 | Connection (audio frequency, NF -), in communication wiring harness |
| * | Telematics with voice control |
| ** | Telematics without voice control |
| *** | Models without navigation system |
| # | Models with navigation system 'NS Low' |
| ## | Models without radio |
| J507 | Control unit for voice control |
| J526 | Telephone/telematics control unit |
| R73 | Fax unit |
| T10ad | 10-pin connector, black, for fax unit |
| T26f | 26-pin connector, on control unit for voice control |
| T46 | 46-pin connector, on telephone/telematics control unit, connector 1 |
| 252 | Earth connection, in optional equipment wiring harness |
| 280 | Earth connection, in communication systems wiring harness |
| V16 | Connection (screening), in telephone wiring harness |
| * | Telematics with voice control |
| E3 | Hazard warning light switch |
| J220 | Motronic control unit |
| J234 | Airbag control unit |
| J526 | Telephone/telematics control unit |
| R37 | Telephone handset |
| T6t | 6-pin connector, red, footwell, right, at wheelhouse, behind carpet |
| T10ac | 10-pin connector, black, on telephone handset |
| T15 | 15-pin connector, black, in centre console |
| T46 | 46-pin connector, on telephone/telematics control unit, connector 1 |
| A125 | Connection (crash signal), in dash panel wiring harness |
| F4 | Reversing light switch |
| F125 | Multi-function switch |
| J285 | Control unit with display in dash panel insert |
| J526 | Telephone/telematics control unit |
| M16 | Reversing light bulb, left |
| M17 | Reversing light bulb, right |
| R | Radio |
| R50 | Navigation aerial (GPS) |
| R51 | Radio/telephone/auxiliary heater aerial |
| R52 | Radio/telephone/navigation aerial (GPS) |
| R90 | Additional aerial for telematics |
| R91 | Additional loudspeaker for telematics |
| T10ab | 10-pin connector, black, on gearbox |
| T15 | 15-pin connector, black, in centre console |
| T32b | 32-pin connector, grey, on dash panel insert |
| T46 | 46-pin connector, on telephone/telematics control unit, connector 1 |
| A27 | Connection (speed signal), in dash panel wiring harness |
| A87 | Connection (RF (reversing light)), in dash panel wiring harness |
| V26 | Connection (speed signal), in navigation wiring harness |
| V31 | Connection (RF (reversing light)), in radio wiring harness |
| * | Models with manual gearbox |
| ** | Models with automatic gearbox |
| E272 | Function selection switch II, in centre console |
| J285 | Control unit with display in dash panel insert |
| S1 | Fuse in fuse carrier |
| T32 | 32-pin connector, blue, on dash panel insert |
| T32a | 32-pin connector, green, on dash panel insert |
| T32b | 32-pin connector, grey, on dash panel insert |
| 269 | Earth connection (sender earth) -1-, in dash panel wiring harness |
| E103 | Connection (15a), in dash panel wiring harness, right |
| # | Sender earth output |
| * | Only models with navigation system 'NS Low' |
