| E | Windscreen wiper switch |
| E22 | Intermittent wiper switch |
| E34 | Rear wiper switch |
| E38 | Intermittent wiper regulator |
| J519 | Onboard supply control unit |
| J527 | Steering column electronics control unit |
| SB33 | Fuse 33 on fuse holder left |
| SB53 | Fuse 53 on fuse holder left |
| T16a | 16-pin connector |
| 373 | Earth connection 8, in main wiring harness |
| 639 | Earth point, left A-pillar |
| B284 | Positive connection 8 (15a), in main wiring harness |
| J285 | Control unit in dash panel insert |
| J519 | Onboard supply control unit |
| J527 | Steering column electronics control unit |
| J533 | Data bus diagnostic interface |
| K106 | Washer fluid low warning lamp |
| T16 | 16-pin connector, diagnosis connection, driver footwell |
| T16a | 16-pin connector |
| T26a | 26-pin connector |
| T32a | 32-pin connector, blue |
| T32b | 32-pin connector, green |
| B397 | Connection 1 (convenience CAN bus, high), in main wiring harness |
| B405 | Connection 9 (convenience CAN bus, high), in main wiring harness |
| B406 | Connection 1 (convenience CAN bus, low), in main wiring harness |
| B414 | Connection 9 (convenience CAN bus, low), in main wiring harness |
| B415 | Connection 1 (infotainment CAN bus, high), in main wiring harness |
| B421 | Connection 1 (infotainment CAN bus, low), in main wiring harness |
| E1 | Light switch |
| G397 | Rain and light detector sensor |
| J400 | Wiper motor control unit |
| J503 | Control unit with display for radio and navigation system |
| J519 | Onboard supply control unit |
| R | Radio |
| SB7 | Fuse 7 on fuse holder B |
| SB8 | Fuse 8 on fuse holder B left |
| T3ae | 3-pin connector |
| T3an | 3-pin connector |
| T6q | 6-pin connector |
| T10a | 10-pin connector |
| T10b | 10-pin connector |
| T16e | 16-pin connector |
| T26a | 26-pin connector |
| V | Windscreen wiper motor |
| 392 | Earth connection 27, in main wiring harness |
| 608 | Earth point, in centre of plenum chamber |
| 639 | Earth point, left A-pillar |
| B321 | Positive connection 7 (30a), in main wiring harness |
| B415 | Connection 1 (infotainment CAN bus, high), in main wiring harness |
| B421 | Connection 1 (infotainment CAN bus, low), in main wiring harness |
| * | up May 2005 |
| ** | from May 2005 |
| J393 | Convenience system central control unit |
| J519 | Onboard supply control unit |
| SB52 | Fuse 52 on fuse holder left |
| SC31 | Fuse 31 on fuse holder, right |
| T6n | 6-pin connector, in right engine compartment |
| T6r | 6-pin connector |
| T10ab | 10-pin connector, right of C-pillar |
| T12b | 12-pin connector |
| T12c | 12-pin connector |
| T18 | 18-pin connector |
| T23 | 23-pin connector |
| V12 | Rear window wiper motor |
| V59 | Windscreen and rear window washer pump |
| 51 | Earth point, on right in luggage compartment |
| 218 | Earth connection 1, in rear lid wiring harness |
| 372 | Earth connection 7, in main wiring harness |
| 398 | Earth connection 33, in main wiring harness |
| B402 | Connection 6 (convenience CAN bus, high), in main wiring harness |
| B403 | Connection 7 (convenience CAN bus, high), in main wiring harness |
| B404 | Connection 8 (convenience CAN bus, high), in main wiring harness |
| B411 | Connection 6 (convenience CAN bus, low), in main wiring harness |
| B412 | Connection 7 (convenience CAN bus, low), in main wiring harness |
| B413 | Connection 8 (convenience CAN bus, low), in main wiring harness |
| G33 | Windscreen washer fluid level sender |
| J39 | Headlight washer system relay |
| SB18 | Fuse 18 on fuse holder left |
| SC44 | Fuse 44 on fuse holder, right |
| T4i | 4-pin connector, on right in plenum chamber |
| T6n | 6-pin connector, in right engine compartment |
| V11 | Headlight washer system pump |
| Z20 | Left washer jet heater element |
| Z21 | Right washer jet heater element |
| 32 | Earth point, on left behind dash panel |
| 261 | Earth connection, in heated washer jet wiring harness |
| 269 | Earth connection (sender earth) 1, in dash panel wiring harness |
| 370 | Earth connection 5, in main wiring harness |
| 385 | Earth connection 20, in main wiring harness |
| 389 | Earth connection 24, in main wiring harness |
| 644 | Earth point, right in engine compartment |
| A20 | Positive connection (15a), in dash panel wiring harness |
| C14 | Positive connection (15), in heated washer jet wiring harness |
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