| D | Ignition/starter switch |
| E221 | Operating unit in steering wheel |
| F138 | Airbag coil connector, return spring with slip ring |
| J234 | Airbag control unit |
| J453 | Multi-function steering wheel control unit |
| N95 | Airbag igniter, driver's side |
| S5 | Fuse in fuse box/relay plate |
| T3e | 3-pin connector, yellow, connector point, left A pillar |
| T5 | 5-pin connector, yellow, behind steering column trim |
| T18m | 18-pin connector, black, on multi-function steering wheel control unit |
| T75 | 75-pin connector, on airbag control unit |
| 81 | Earth connection -1-, in dash panel wiring harness |
| A2 | Positive (+) connection (15), in dash panel wiring harness |
| A74 | Connection (15a, fuse 5), in dash panel wiring harness |
| E20 | Switches and instruments - lighting control |
| E45 | Cruise control system switch |
| J... | Engine control unit |
| J453 | Multi-function steering wheel control unit |
| S7 | Fuse in fuse box/relay plate |
| S32 | Aerial motor single fuse |
| S102 | Engine control unit fuses |
| T10 | 10-pin connector, black, next to steering column |
| T15a | 15-pin connector, white, on protective housing for control units, on left in engine compartment |
| T18m | 18-pin connector, on multi-function steering wheel control unit |
| 30 | Earth point -1-, next to relay plate |
| 81 | Earth connection -1-, in dash panel wiring harness |
| 135 | Earth connection -2-, in dash panel wiring harness |
| A19 | Connection (58d), in dash panel wiring harness |
| A130 | Connection (cruise control system), in dash panel wiring harness |
| * | Only engine codes AZX, AMX, AZM |
| ** | Only engine codes ALZ, AWT |
| *** | Only models with diesel engine |
| J... | Engine control unit |
| J285 | Control unit with display in dash panel insert |
| J453 | Multi-function steering wheel control unit |
| S10 | Fuse in fuse box/relay plate |
| T15a | 15-pin connector, white, on protective housing for control units, on left in engine compartment |
| T18m | 18-pin connector, on multi-function steering wheel control unit |
| T32b | 32-pin connector, green, on dash panel insert |
| A98 | Positive (+) connection -4- (30), in dash panel wiring harness |
| A146 | Connection (convenience CAN bus, high), in dash panel wiring harness |
| A147 | Connection (convenience CAN bus, low), in dash panel wiring harness |
| * | Only models with telephone |
| H2 | High tone horn |
| H7 | Low tone horn |
| J4 | Dual tone horn relay |
| J59 | X contact relief relay |
| J453 | Multi-function steering wheel control unit |
| R | Radio |
| S240 | Fuse in fuse box |
| T6k | 6-pin connector, red, connector point, A pillar, right |
| T10t | 10-pin connector, red, connector point, A pillar, right |
| T16 | 16-pin connector, near handbrake lever, self-diagnosis connection |
| T18m | 18-pin connector, on multi-function steering wheel control unit |
| T20 | 20-pin connector, green, on radio |
| 43 | Earth point, lower part of right A-pillar |
| 44 | Earth point, lower part of left A-pillar |
| 176 | Earth connection, in right headlight wiring harness |
| 179 | Earth connection, in left headlight wiring harness |
| A76 | Connection (diagnosis wire K), in dash panel wiring harness |
| A90 | Connection (dual tone horn), in dash panel wiring harness |
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