| D | Ignition/starter switch |
| E3 | Hazard warning light switch |
| J234 | Airbag control unit |
| J526 | Telephone/telematics control unit |
| S8 | Fuse in fuse box/relay plate |
| S11 | Fuse in fuse box/relay plate |
| S12 | Fuse in fuse box/relay plate |
| T10ae | 10-pin connector, on telephone/telematics control unit |
| T46 | 46-pin connector, on telephone/telematics control unit |
| 45 | Earth point, behind dash panel - centre |
| 270 | Earth connection, in telephone wiring harness |
| A1 | Positive (+) connection (30a), in dash panel wiring harness |
| A2 | Positive (+) connection (15), in dash panel wiring harness |
| A125 | Connection (crash signal), in dash panel wiring harness |
| V32 | Positive (+) connection (30), in telephone wiring harness |
| F4 | Reversing light switch |
| J226 | Starter inhibitor and reversing light relay |
| J401 | Navigation system with CD drive control unit |
| J526 | Telephone/telematics control unit |
| R38 | Telephone microphone |
| R91 | Additional loudspeaker for telematics |
| R94 | Navigation interface |
| T10x | 10-pin connector, orange, in plenum chamber |
| T12b | 12-pin connector, at navigation interface |
| T20b | 20-pin connector, black, on navigation control unit |
| T46 | 46-pin connector, on telephone/telematics control unit |
| A87 | Connection (RF (reversing light), in dash panel wiring harness |
| A178 | Connection (infotainment CAN bus, high), in dash panel wiring harness |
| A179 | Connection (infotainment CAN bus, low), in dash panel wiring harness |
| * | Only models with navigation system 'NS Low' |
| ** | Only models with navigation system (RNS-D) |
| *** | Only models with automatic gearbox |
| **** | Only models with manual gearbox |
| • | CAN bus (data bus) |
| J402 | Operating electronics control unit, navigation |
| J526 | Telephone/telematics control unit |
| R | Radio |
| R39 | Telephone/navigation systems loudspeaker |
| T8 | 8-pin connector, on radio |
| T10k | 10-pin connector, red, on radio |
| T10ae | 10-pin connector, on telephone/telematics control unit |
| T20a | 20-pin connector, black, on radio |
| T46 | 46-pin connector, on telephone/telematics control unit |
| A129 | Connection (muting), in dash panel wiring harness |
| V49 | Connection (low frequency, NF +), in communication wiring harness |
| V50 | Connection (low frequency, NF -), in communication wiring harness |
| * | Voice control system without radio |
| ** | Voice control system with radio |
| *** | Voice control system with radio navigation system |
| J401 | Navigation system with CD drive control unit |
| J526 | Telephone/telematics control unit |
| R | Radio |
| R39 | Telephone/navigation systems loudspeaker |
| T10k | 10-pin connector, red, on radio |
| T10ae | 10-pin connector, on telephone/telematics control unit |
| T20b | 20-pin connector, black, on navigation control unit |
| T46 | 46-pin connector, on telephone/telematics control unit |
| A129 | Connection (muting), in dash panel wiring harness |
| V49 | Connection (low frequency, NF +), in communication wiring harness |
| V50 | Connection (low frequency, NF -), in communication wiring harness |
| * | Navigation system ('NS Low') with voice control system without radio, as of model year 2002 no longer fitted |
| ** | Navigation system ('NS Low') with voice control system for radio |
| J401 | Navigation system with CD drive control unit |
| J402 | Operating electronics control unit, navigation |
| J526 | Telephone/telematics control unit |
| R50 | Navigation aerial (GPS) |
| R52 | Radio/telephone/navigation aerial (GPS) |
| R65 | Telephone aerial |
| R87 | Aerial filter |
| R90 | Additional aerial for telematics |
| T10ae | 10-pin connector, on telephone/telematics control unit |
| T46 | 46-pin connector, on telephone/telematics control unit |
| * | Models without navigation system |
| ** | Only models with navigation system (NS Low) or (RNS-D) |
| E264 | Telematics operating unit |
| E275 | Breakdown help button |
| E276 | Emergency call button |
| J189 | Auto-check system |
| J218 | Combi-processor in dash panel insert |
| J526 | Telephone/telematics control unit |
| T10ae | 10-pin connector, on telephone/telematics control unit |
| T16 | 16-pin connector, black, centre console compartment (diagnostic connector) |
| T32 | 32-pin connector, blue, on dash panel insert |
| T32a | 32-pin connector, green, on dash panel insert |
| T46 | 46-pin connector, on telephone/telematics control unit |
| 30 | Earth point -1-, next to relay plate |
| 128 | Earth connection -1-, in interior light wiring harness |
| 269 | Earth connection (sender earth) -1-, in dash panel wiring harness |
| 285 | Earth connection -7-, in interior wiring harness |
| A23 | Connection (30al), in dash panel wiring harness |
| A27 | Connection (speed signal), in dash panel wiring harness |
| A76 | Connection (diagnosis wire K), in dash panel wiring harness |
| B145 | Positive (+) connection (58b), in interior wiring harness |
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