| D | Ignition/starter switch |
| J... | Engine control units |
| J285 | Control unit with display in dash panel insert |
| J503 | Control unit with display for radio and navigation |
| S237 | Fuse in fuse box |
| T8 | 8-pin connector, black |
| T26 | 26-pin connector, black |
| T32a | 32-pin connector, blue, on dash panel insert |
| 501 | Screw connection -2- (30), on relay plate |
| 610 | Earth point (audio), below centre console, front |
| A2 | Positive (+) connection (15), in dash panel wiring harness |
| A21 | Connection (86s), in dash panel wiring harness |
| A23 | Connection (30al), in dash panel wiring harness |
| A27 | Connection (speed signal), in dash panel wiring harness |
| J412 | Mobile phone operating electronics control unit |
| J503 | Control unit with display for radio and navigation |
| L76 | Button illumination |
| R41 | CD changer, on right luggage compartment |
| R50 | Navigation aerial (GPS), in foot the sunroof aerial |
| R51 | Radio/telephone/auxiliary heater aerial (sunroof aerial) |
| T1 | Single connector, near sunroof aerial |
| T1a | Single connector, near sunroof aerial |
| T1b | Single connector, near roof aerial |
| T10g | 10-pin connector, red, right connector point A-pillar |
| T12 | 12-pin connector, red, on CD changer |
| T20 | 20-pin connector |
| 610 | Earth point (audio), below centre console, front |
| * | Only models with telephone |
| E20 | Switches and instruments - lighting control |
| F4 | Reversing light switch |
| J104 | ABS with EDL control unit |
| J412 | Mobile phone operating electronics control unit |
| J503 | Control unit with display for radio and navigation |
| T8 | 8-pin connector, black |
| T10w | 10-pin connector |
| T16 | 16-pin connector, self-diagnosis connection, near handbrake lever |
| T18 | 18-pin connector |
| T20 | 20-pin connector |
| T26 | 26-pin connector, black |
| T31 | 31-pin connector |
| A19 | Connection (58d), in dash panel wiring harness |
| A76 | Connection (diagnosis wire K), in dash panel wiring harness |
| A87 | Connection (RL), in dash panel wiring harness |
| * | Only models with telephone |
| J412 | Mobile phone operating electronics control unit |
| R12 | Amplifier, under rear shelf |
| R16 | Treble loudspeaker, rear right |
| R17 | Bass loudspeaker, rear right |
| T6d | 6-pin connector, black, on right B-pillar |
| T10u | 10-pin connector, orange, right connector point A-pillar |
| T15 | 15-pin connector, white, connector point left A-pillar |
| T18 | 18-pin connector |
| T23 | 23-pin connector |
| T24 | 24-pin connector |
| 57 | Earth point, left rear pillar |
| 255 | Earth connection -1-, in radio wiring harness |
| R12 | Amplifier, under rear shelf |
| R14 | Treble loudspeaker, rear left, in door |
| R15 | Bass loudspeaker, rear left, in door |
| R20 | Treble loudspeaker, front left, in door |
| R21 | Bass loudspeaker, front left, in door |
| R22 | Treble loudspeaker, front right, in door |
| R23 | Bass loudspeaker, front right, in door |
| S260 | DSP amplifier fuse |
| T4 | 4-pin connector, black, connector point, right A pillar |
| T4b | 4-pin connector, black, connector point, left A pillar |
| T4c | 4-pin connector, black, connector point, left A pillar |
| T6c | 6-pin connector, red, on left B-pillar |
| T8c | 8-pin connector, black, connector point, left A pillar |
| T8d | 8-pin connector, black, connector point, right A pillar |
| T23 | 23-pin connector |
| 501 | Screw connection -2- (30), on relay plate |
| V21 | Positive connection (30), in radio - amplifier wiring harness |