| E313 | Selector lever |
| J220 | Motronic control unit |
| J248 | Diesel direct injection system control unit |
| J587 | Selector lever sensors control unit |
| J623 | Engine control unit |
| J743 | Mechatronics for direct shift gearbox |
| T10k | 10-pin connector, black (connector A) |
| T20e | 20-pin connector, black (connector A) |
| T94 | 94-pin connector, black (connector B) |
| T121 | 121-pin connector, black, on engine control unit |
| B383 | Connection 1 (drive train CAN bus, high), in main wiring harness |
| B390 | Connection 1 (drive train CAN bus, low), in main wiring harness |
| * | for models with engine codes AZV, BKD, BKC, BXE only |
| ** | for models with engine codes BMM, BMN, BUY, BLS only |
| *** | for models with engine codes AXX, BPY, BWA, BPT, BPU, BYT, CAXC, CAWB, BZB, CCTA, CBFA only |
| **** | for models with engine codes BMJ, BUB only |
| ***** | for models with direct shift gearbox (02E) only |
| J217 | Automatic gearbox control unit |
| J220 | Motronic control unit |
| J500 | Power steering control unit |
| J623 | Engine control unit |
| J743 | Mechatronic unit for direct shift gearbox |
| T5 | 5-pin connector, white (connector C) |
| T6 | 6-pin connector, black, near longitudinal member, front left |
| T10n | 10-pin connector, black, near longitudinal member, front left |
| T25 | 25-pin connector, black (connector A) |
| T52 | 52-pin connector, black (connector A) |
| T94 | 94-pin connector, black (connector B) |
| T121 | 121-pin connector, black, on engine control unit |
| B383 | Connection 1 (drive train CAN bus, high), in main wiring harness |
| B390 | Connection 1 (drive train CAN bus, low), in main wiring harness |
| * | for models with engine code BSE, BSF only |
| ** | for models with engine codes BLR, BLY, BVY, BVZ only |
| *** | for models with engine code BLF only |
| **** | for models with direct shift gearbox 0AM only |
| ***** | for models with automatic gearbox (09G) only |
| J104 | ABS control unit |
| J431 | Headlight range control, control unit |
| J492 | Four-wheel drive control unit |
| J533 | Data bus diagnostic interface |
| J667 | Power output module for left headlight |
| J668 | Power output module for right headlight |
| T6q | 6-pin connector, black, near fuel gauge sender 2 |
| T20d | 20-pin connector, yellow (connector A) |
| T26a | 26-pin connector, black (connector A) |
| T26b | 26-pin connector, blue (connector A) |
| B229 | Connection (high bus), in interior wiring harness |
| B230 | Connection (low bus), in interior wiring harness |
| B383 | Connection 1 (drive train CAN bus, high), in main wiring harness |
| B390 | Connection 1 (drive train CAN bus, low), in main wiring harness |
| * | for models with anti-lock brake system (ABS) MK60 and direct shift gearbox (02E) or manual gearbox only |
| ** | for models with anti-lock brake system (ABS) MK70 only |
| *** | for models with anti-lock brake system (ABS) MK60 and automatic gearbox (09G) only |
| **** | for models with dynamic cornering light only |
| J234 | Airbag control unit |
| J255 | Climatronic control unit |
| J301 | Air conditioning system control unit |
| J345 | Trailer detector control unit |
| J446 | Parking aid control unit |
| J527 | Steering column electronics control unit |
| J533 | Data bus diagnostic interface |
| J604 | Auxiliary air heater control unit |
| T4l | 4-pin connector, black (connector C) |
| T10a | 10-pin connector, black, behind the glove compartment |
| T12h | 12-pin connector, red (connector A) |
| T16e | 16-pin connector, brown (connector C) |
| T16f | 16-pin connector, brown, on parking aid control unit |
| T20b | 20-pin connector, black (connector A) |
| T20c | 20-pin connector, black (connector A) |
| T75 | 75-pin connector, yellow (connector locking green) |
| B383 | Connection 1 (drive train CAN bus, high), in main wiring harness |
| B390 | Connection 1 (drive train CAN bus, low), in main wiring harness |
| B397 | Connection 1 (convenience CAN bus, high), in main wiring harness |
| B406 | Connection 1 (convenience CAN bus, low), in main wiring harness |
| G273 | Interior monitoring sensor |
| G397 | Rain and light detector sensor |
| H12 | Alarm horn |
| J393 | Convenience system central control unit |
| J400 | Wiper motor control unit |
| J502 | Tyre pressure monitor control unit |
| J519 | Onboard supply control unit |
| J529 | Anti-theft and tilt system control unit |
| J533 | Data bus diagnostic interface |
| T6g | 6-pin connector, black (connector E) |
| T8h | 8-pin connector, black (connector F) |
| T12e | 12-pin connector, black (connector G) |
| T18 | 18-pin connector, brown (connector A) |
| T20d | 20-pin connector, yellow (connector A) |
| T20q | 20-pin connector (connector A) |
| B397 | Connection 1 (convenience CAN bus, high), in main wiring harness |
| B406 | Connection 1 (convenience CAN bus, low), in main wiring harness |
| B528 | Connection 1 (LIN bus), in main wiring harness |
| B549 | Connection 2 (LIN bus), in main wiring harness |
| * | for models with anti-theft alarm system only |
| ** | for models with automatic headlight switching only |
| *** | for models with US equipment only |
| J386 | Driver door control unit |
| J387 | Front passenger door control unit |
| J388 | Rear left door control unit |
| J389 | Rear right door control unit |
| J533 | Data bus diagnostic interface |
| T20 | 20-pin connector, black, door A-pillar left |
| T20a | 20-pin connector, black, door A-pillar right |
| T20f | 20-pin connector, black (connector A) |
| T20g | 20-pin connector, black (connector A) |
| T20l | 20-pin connector, black, door B-pillar left |
| T20m | 20-pin connector, black, door B-pillar right |
| T20n | 20-pin connector, black (connector A) |
| T20o | 20-pin connector, black (connector A) |
| B397 | Connection 1 (convenience CAN bus, high), in main wiring harness |
| B406 | Connection 1 (convenience CAN bus, low), in main wiring harness |
| # | is dropped from May 2007 |
| ## | applicable from May 2007 |
| J285 | Control unit in dash panel insert |
| J364 | Auxiliary heater control unit |
| J402 | Navigation operating electronics control unit |
| J503 | Control unit with display for radio and navigation system |
| J533 | Data bus diagnostic interface |
| T2bb | 2-pin connector, black (connector D) |
| T8q | 8-pin connector, black (connector A) |
| T20d | 20-pin connector, yellow (connector A) |
| T20k | 20-pin connector, black (connector C) |
| T32 | 32-pin connector, blue (connector A) |
| B415 | Connection 1 (infotainment CAN bus, high), in main wiring harness |
| B421 | Connection 1 (infotainment CAN bus, low), in main wiring harness |
| ** | for models with radio navigation system (models for Japan) only |
| # | is dropped, from model year 2006 |
| ## | applicable from model year 2007 |
| R | Radio |
| R36 | Telephone transmitter and receiver unit |
| R44 | Amplifier with bass loudspeaker, on left in luggage compartment |
| R146 | Satellite radio |
| T2av | 2-pin connector, black, on right A-pillar |
| T8t | 8-pin connector, black, in luggage compartment, rear left (connector B) |
| T20i | 20-pin connector, black (connector A) |
| T54 | 54-pin connector, black (connector A) |
| B415 | Connection 1 (infotainment CAN bus, high), in main wiring harness |
| B421 | Connection 1 (infotainment CAN bus, low), in main wiring harness |
| * | for models with radiogeneration II only |
| **** | for satellite radio preparation only |
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