| E256 | TCS and ESP button |
| E281 | Operating unit to regulate suspension height |
| F | Brake light switch |
| J104 | ABS control unit with EDL |
| J393 | Convenience system central control unit |
| J508 | Brake light suppression relay |
| J519 | Onboard supply control unit |
| SB26 | Fuse 26 on fuse holder |
| SB38 | Fuse 38 on fuse holder |
| SC50 | Fuse 50 on fuse holder |
| T6c | 6-pin connector |
| T8e | 8-pin connector |
| T16f | 16-pin connector |
| T23 | 23-pin connector |
| T47b | 47-pin connector |
| 32 | Earth point, on left behind dash panel |
| 33 | Earth point, on right behind dash panel |
| 366 | Earth connection 1, in main wiring harness |
| 370 | Earth connection 5, in main wiring harness |
| B278 | Positive connection 2 (15a), in main wiring harness |
| B289 | Positive connection 13 (15a), in main wiring harness |
| B335 | Connection 1 (54), in main wiring harness |
| B336 | Connection 2 (54), in main wiring harness |
| B341 | Connection 2 (58d), in main wiring harness |
| B343 | Connection 4 (58d), in main wiring harness |
| --- | - in models without regulate suspension height |
| * | from May 2004 |
| ** | is dropped from May 2004 |
| G44 | Rear right speed sensor |
| G45 | Front right speed sensor |
| G46 | Rear left speed sensor |
| G47 | Front left speed sensor |
| J104 | ABS control unit with EDL |
| T4g | 4-pin connector, black, front left suspension strut |
| T4h | 4-pin connector, black, front right suspension strut |
| T4ab | 4-pin connector, black, rear right wheel housing |
| T4ae | 4-pin connector, black, rear left wheel housing |
| T6ag | 6-pin connector, black, rear right wheel housing |
| T6an | 6-pin connector, black, rear left wheel housing |
| T6g | 6-pin connector, black, front left suspension strut |
| T6h | 6-pin connector, black, front right suspension strut |
| T10g | 10-pin connector, black, front left suspension strut |
| T10h | 10-pin connector, black, front right suspension strut |
| T47b | 47-pin connector, on ABS control unit with EDL |
| * | only models with regulate suspension height |
| ** | from May 2004 |
| F36 | Clutch pedal switch |
| F84 | Brake pressure solenoid trip switch |
| G420 | potentiometer for brake servo diaphragm movement |
| J104 | ABS control unit with EDL |
| J236 | Servotronic control unit |
| N247 | Brake pressure solenoid valve, in brake servo |
| SC6 | Fuse 6 on fuse holder |
| SC56 | Fuse 56 on fuse holder |
| T3e | 3-pin connector, black, on brake servo |
| T6s | 6-pin connector, black, on brake servo |
| T16b | 16-pin connector, diagnosis connection, left under dash panel |
| T47b | 47-pin connector |
| V64 | ABS hydraulic pump |
| 285 | Earth connection 7, in interior wiring harness |
| 645 | Earth point 1, on bulkhead |
| * | Equipment dependant |
| ** | up to April 2004 |
| *** | from May 2005 |
| # | from May 2004 |
| ## | up May 2005 |
| F321 | Parking brake contact switch |
| G85 | Steering angle sender |
| G200 | Lateral acceleration sender |
| G201 | Brake pressure sender 1 |
| G202 | Yaw rate sender |
| G251 | Longitudinal acceleration sender |
| G419 | ESP sensor unit |
| J104 | ABS control unit with EDL |
| J285 | Control unit in dash panel insert |
| J527 | Steering column electronics control unit |
| J533 | Data bus diagnostic interface |
| SB51 | Fuse 51 on fuse holder B |
| T4c | 4-pin connector |
| T4d | 4-pin connector |
| T16a | 16-pin connector |
| T32b | 32-pin connector, green |
| T47b | 47-pin connector |
| 32 | Earth point, on left behind dash panel |
| 371 | Earth connection 6, in main wiring harness |
| 373 | Earth connection 8, in main wiring harness |
| B277 | Positive connection 1 (15a), in main wiring harness |
| B385 | Connection 3 (drive train CAN bus, high), in main wiring harness |
| B387 | Connection 5 (drive train CAN bus, high), in main wiring harness |
| B392 | Connection 3 (drive train CAN bus, low), in main wiring harness |
| B394 | Connection 5 (drive train CAN bus, low), in main wiring harness |
| B432 | Connection (foot operated parking brake), in main wiring harness |
| * | depends on equipment |
| G34 | Front left brake pad wear sender |
| G35 | Front right brake pad wear sender |
| G36 | Rear left brake pad wear sender |
| G37 | Rear right brake pad wear sender |
| J285 | Control unit in dash panel insert |
| K47 | ABS warning lamp |
| K74 | Transfer box differential lock warning lamp |
| K118 | Brake system warning lamp |
| K155 | ESP and TCS warning lamp |
| T4g | 4-pin connector, black, front left suspension strut |
| T4h | 4-pin connector, black, front right suspension strut |
| T4ab | 4-pin connector, black, rear right wheel housing |
| T4ae | 4-pin connector, black, rear left wheel housing |
| T6ag | 6-pin connector |
| T6an | 6-pin connector, black, rear left wheel housing |
| T6g | 6-pin connector, black, front left suspension strut |
| T6h | 6-pin connector, black, front right suspension strut |
| T10g | 10-pin connector, black, front left suspension strut |
| T10h | 10-pin connector, black, front right suspension strut |
| T32b | 32-pin connector, green |
| 50 | Earth point, on left in luggage compartment |
| 284 | Earth connection 6, in interior wiring harness |
| 358 | Earth connection 2, in main wiring harness |
| * | only models with regulate suspension height |
| *** | from May 2004 |
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