| E595 | Steering column combination switch |
| J428 | Adaptive cruise control unit |
| J769 | Lane change assist control unit, behind left D-pillar trim |
| J770 | Lane change assist control unit 2, behind right D-pillar trim |
| J788 | Isolation relay for powertrain CAN bus |
| T8a | 8-pin connector, black, near horn, dual-tone horn |
| T8b | 8-pin connector, black |
| T9 | 9-pin connector, black |
| T12aa | 12-pin connector, black |
| T12ab | 12-pin connector, black |
| T17m | 17-pin connector, red, on left A-pillar |
| T41 | 41-pin connector, grey |
| B383 | Connection 1 (powertrain CAN bus, high), in main wiring harness |
| B384 | Connection 2 (powertrain CAN bus, high), in main wiring harness |
| B390 | Connection 1 (powertrain CAN bus, low), in main wiring harness |
| B391 | Connection 2 (powertrain CAN bus, low), in main wiring harness |
| E313 | Selector lever |
| J104 | ABS control unit |
| J234 | Airbag control unit |
| J623 | Engine control unit, in E-box in engine compartment |
| J743 | Mechatronic unit for dual clutch gearbox |
| T10a | 10-pin connector, brown, in E-box in engine compartment |
| T10an | 10-pin connector, black |
| T10b | 10-pin connector, red, in E-box in engine compartment |
| T10d | 10-pin connector, blue, in E-box in engine compartment |
| T16m | 16-pin connector, black, on electronic gearbox control unit |
| T38a | 38-pin connector, black |
| T50 | 50-pin connector, yellow |
| T94 | 94-pin connector, black |
| B383 | Connection 1 (powertrain CAN bus, high), in main wiring harness |
| B390 | Connection 1 (powertrain CAN bus, low), in main wiring harness |
| D159 | Connection (high bus), in engine compartment wiring harness |
| D160 | Connection (low bus), in engine compartment wiring harness |
| * | Only models with diesel engine |
| *2 | Only models with petrol engine |
| J250 | Electronically controlled damping control unit |
| J431 | Headlight range control unit |
| J446 | Parking aid control unit |
| J492 | All-wheel drive control unit |
| T5v | 5-pin connector, black |
| T8ad | 8-pin connector, black |
| T8ag | 8-pin connector, black, behind lower section of left D-pillar trim |
| T16h | 16-pin connector, brown |
| T17f | 17-pin connector, brown, under driver seat |
| T26c | 26-pin connector, black |
| T47a | 47-pin connector, black |
| B383 | Connection 1 (powertrain CAN bus, high), in main wiring harness |
| B390 | Connection 1 (powertrain CAN bus, low), in main wiring harness |
| * | Only Multivan, panel van or Kombi models |
| *2 | Only models with double cab/ dropside |
| G24 | Tachograph |
| J519 | Onboard supply control unit |
| J844 | Main beam assist control unit |
| K | Dash panel insert |
| T8o | 8-pin connector, white |
| T10ab | 10-pin connector, white, in left A-pillar coupling station |
| T32 | 32-pin connector, blue |
| T73b | 73-pin connector, white |
| B383 | Connection 1 (powertrain CAN bus, high), in main wiring harness |
| B390 | Connection 1 (powertrain CAN bus, low), in main wiring harness |
| B708 | Connection 1 (dash panel insert CAN bus high) in main wiring harness |
| B709 | Connection 1 (dash panel insert CAN bus low) in main wiring harness |
| * | Only models with main beam assist |
| *2 | Only models with tachograph |
| *3 | Only models with no main beam assist function |
| *4 | Only models with no tachograph |
| E440 | Multifunction buttons on left in steering wheel |
| F350 | Coil connector, in steering wheel |
| H12 | Alarm horn |
| J386 | Driver door control unit |
| J387 | Front passenger door control unit |
| J519 | Onboard supply control unit |
| T5u | 5-pin connector, black |
| T10 | 10-pin connector, black, in E-box in engine compartment |
| T10al | 10-pin connector, red, in right A-pillar coupling station |
| T12ae | 12-pin connector, yellow |
| T16k | 16-pin connector, black |
| T16l | 16-pin connector, black |
| T17l | 17-pin connector, black, in left A-pillar coupling station |
| T41 | 41-pin connector, grey |
| T73b | 73-pin connector, white |
| B528 | Connection 1 (LIN bus) in main wiring harness |
| B549 | Connection 2 (LIN bus) in main wiring harness |
| * | Only models with electric window regulators |
| *2 | For models with anti-theft alarm system |
| *3 | Only models with no adaptive cruise control (ACC) |
| *4 | Only models with adaptive cruise control (ACC) |
| *5 | Only models with no anti-theft alarm system |
| *6 | Only vehicles without electric window regulators |
| C | Alternator |
| G303 | Interior monitor send and receive module 1, near front interior light |
| G305 | Interior monitor send and receive module 2, on rear roof module |
| G384 | Vehicle inclination sender, near front interior light |
| G397 | Rain and light sensor |
| J367 | Battery monitor control unit |
| J519 | Onboard supply control unit |
| T2du | 2-pin connector, black |
| T10ab | 10-pin connector, white, in left A-pillar coupling station |
| T10ag | 10-pin connector, brown, in left A-pillar coupling station |
| T10g | 10-pin connector, grey, in E-box in engine compartment |
| T10j | 10-pin connector, dark brown, in E-box in engine compartment |
| T17k | 17-pin connector, green, in left A-pillar coupling station |
| T73b | 73-pin connector, white |
| B577 | LIN bus connection, in roof wiring harness |
| D218 | Connection 1 (LIN bus) in engine compartment wiring harness |
| W3 | Connection in rear wiring harness |
| * | For models with anti-theft alarm system |
| *2 | Only models with rain sensor |
| *3 | Only Multivan and Shuttle |
| *4 | Only models with start/stop system |
| *5 | Only models with no anti-theft alarm system |
| J345 | Trailer detector control unit |
| J519 | Onboard supply control unit |
| J608 | Special vehicle control unit |
| J794 | Control unit 1 for information electronics |
| J810 | Driver seat adjustment control unit |
| R | Radio |
| R12 | Amplifier, under front passenger seat |
| T8n | 8-pin connector, black, in slot for radio |
| T10r | 10-pin connector, black, under driver seat |
| T12ac | 12-pin connector, red |
| T12d | 12-pin connector, grey |
| T16u | 16-pin connector, brown, under front passenger seat |
| T23a | 23-pin connector, green |
| T32e | 32-pin connector, grey |
| T73b | 73-pin connector, white |
| B397 | Connection 1 (convenience CAN bus, high), in main wiring harness |
| B406 | Connection 1 (convenience CAN bus, low), in main wiring harness |
| J255 | Climatronic control unit |
| J301 | Air conditioning system control unit |
| J364 | Auxiliary heater control unit |
| J558 | Left sliding door control unit |
| J702 | Roof display unit |
| J731 | Right sliding door control unit |
| T6au | 6-pin connector, black |
| T10af | 10-pin connector, blue, in left A-pillar coupling station |
| T10aw | 10-pin connector, black |
| T10ax | 10-pin connector, black |
| T10bk | 10-pin connector, grey, under front passenger seat |
| T16g | 16-pin connector, black |
| T17a | 17-pin connector, black, behind glove compartment |
| T17j | 17-pin connector, white, under driver seat |
| T17p | 17-pin connector, red, under driver seat |
| T20c | 20-pin connector, black |
| T20e | 20-pin connector, black |
| B397 | Connection 1 (convenience CAN bus, high), in main wiring harness |
| B406 | Connection 1 (convenience CAN bus, low), in main wiring harness |
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