| D | Ignition/starter switch |
| J519 | Onboard supply control unit |
| J623 | Engine control unit |
| SC21 | Fuse 21 on fuse holder C |
| SC23 | Fuse 23 on fuse holder C |
| SC26 | Fuse 26 on fuse holder C |
| SC38 | Fuse 38 on fuse holder C |
| SC39 | Fuse 39 on fuse holder C |
| SC55 | Fuse 55 on fuse holder C |
| SC56 | Fuse 56 on fuse holder C |
| T10m | 10-pin connector, light pink, in E-box |
| T73a | 73-pin connector, black |
| T73b | 73-pin connector, white |
| B173 | Positive connection 2 (X), in interior wiring harness |
| B239 | Positive connection 1 (50), in interior wiring harness |
| B240 | Positive connection 2 (50), in interior wiring harness |
| B273 | Positive connection (15), in main wiring harness |
| B518 | Connection (86s), in main wiring harness |
| D107 | Connection 5 in engine compartment wiring harness |
| * | see applicable current flow diagram for engine |
| E3 | Hazard warning light switch |
| J187 | Differential lock control unit |
| J234 | Airbag control unit |
| J519 | Onboard supply control unit |
| K6 | Indicator lamp for hazard warning light |
| SC14 | Fuse 14 on fuse holder C |
| SC16 | Fuse 16 on fuse holder C |
| T16 | 16-pin connector, black |
| T50 | 50-pin connector, yellow |
| T73a | 73-pin connector, black |
| T73b | 73-pin connector, white |
| U31 | Diagnostic connection, on left in dash panel |
| 370 | Earth connection 5, in main wiring harness |
| 371 | Earth connection 6, in main wiring harness |
| 382 | Earth connection 17, in main wiring harness |
| 636 | Earth point, onboard supply control unit |
| B303 | Positive connection 7 (30), in main wiring harness |
| B444 | Connection 1 (diagnosis), in main wiring harness |
| * | According to equipment |
| *2 | Only models with start/stop system |
| *3 | Only models with no start/stop system |
| *4 | Only models with rear differential lock |
| *5 | Cross section depends on equipment |
| F | Brake light switch |
| F4 | Reversing light switch |
| J104 | ABS control unit |
| J519 | Onboard supply control unit |
| J623 | Engine control unit |
| MX3 | Left tail light |
| MX4 | Right tail light |
| SC12 | Fuse 12 on fuse holder C |
| SB15 | Fuse 15 on fuse holder B |
| SB16 | Fuse 16 on fuse holder B |
| SC47 | Fuse 47 on fuse holder C |
| T10a | 10-pin connector, brown, in E-box |
| T10f | 10-pin connector, green, in E-box |
| T10l | 10-pin connector, black, in E-box |
| T17n | 17-pin connector, light green, under driver seat |
| T38a | 38-pin connector, black |
| T73a | 73-pin connector, black |
| T73b | 73-pin connector, white |
| B131 | Connection (54), in interior wiring harness |
| B520 | Connection (RL), in main wiring harness |
| W26 | Positive connection (54), in tail light wiring harness |
| W71 | Connection (reversing light), in rear wiring harness |
| * | see applicable current flow diagram |
| *2 | Cross section depends on equipment |
| *3 | see applicable current flow diagram for engine |
| *4 | Only models with manual gearbox |
| *5 | Only models with no electric interface |
| E20 | Switch and instrument illumination regulator |
| J519 | Onboard supply control unit |
| L28 | Cigarette lighter illumination bulb |
| SC32 | Fuse 32 on fuse holder C |
| SC49 | Fuse 49 on fuse holder C |
| T3bd | 3-pin connector, in centre of dash panel |
| T6ac | 6-pin connector, black |
| T73a | 73-pin connector, black |
| T73b | 73-pin connector, white |
| U1 | Cigarette lighter |
| B277 | Positive connection 1 (15a) in main wiring harness |
| B340 | Connection 1 (58d), in main wiring harness |
| B341 | Connection 2 (58d), in main wiring harness |
| * | Only models with dimmable instrument illumination |
| *2 | According to equipment |
| *3 | Only models with double cab/ dropside |
| *4 | Only panel van and Kombi models with no separate passenger compartment ventilation, not for double cab |
| *5 | Only models with no dimmable instrument illumination |
| *6 | Only Camper, panel van and Kombi models with separate passenger compartment ventilation |
| F2 | Driver door contact switch |
| F3 | Front passenger door contact switch |
| J519 | Onboard supply control unit |
| SC13 | Fuse 13 on fuse holder C |
| SB34 | Fuse 34 on fuse holder B |
| T10ad | 10-pin connector, red, in left A-pillar coupling station |
| T10al | 10-pin connector, red, in right A-pillar coupling station |
| T10d | 10-pin connector, blue, in E-box |
| T10l | 10-pin connector, black, in E-box |
| T17l | 17-pin connector, black, in left A-pillar coupling station |
| T17r | 17-pin connector, black, in right A-pillar coupling station |
| T73a | 73-pin connector, black |
| T73b | 73-pin connector, white |
| V | Windscreen wiper motor |
| 12 | Earth point, on left in engine compartment |
| 167 | Earth connection 4, in engine compartment wiring harness |
| 267 | Earth connection 2, in drive side door wiring harness |
| 268 | Earth connection 2, in front passenger side door wiring harness |
| 377 | Earth connection 12, in main wiring harness |
| 607 | Earth point, on left in plenum chamber |
| 638 | Earth point, on right A-pillar |
| 639 | Earth point, left A-pillar |
| * | Only models with no central locking |
| *2 | Cross-section 1.5 possible |
| C | Alternator |
| F10 | Rear left door contact switch |
| F11 | Rear right door contact switch |
| F266 | Bonnet contact switch |
| J519 | Onboard supply control unit |
| J623 | Engine control unit |
| T2ds | 2-pin connector, black, on left C-pillar |
| T2dt | 2-pin connector, black, on right C-pillar |
| T10a | 10-pin connector, brown, in E-box |
| T10l | 10-pin connector, light green, in E-box |
| T14 | 14-pin connector, black |
| T17f | 17-pin connector, brown, under driver seat |
| T73a | 73-pin connector, black |
| T73b | 73-pin connector, white |
| 13 | Earth point, on right in engine compartment |
| 82 | Earth connection 1, in front left wiring harness |
| 86 | Earth connection 1, in rear wiring harness |
| 87 | Earth connection 2, in rear wiring harness |
| 372 | Earth connection 7, in main wiring harness |
| 654 | Earth point, on right D-pillar |
| * | Only models with manual sliding door and with no anti-theft alarm system |
| *2 | Only models with no electric sliding doors/ power latching system |
| *3 | Only models with electric sliding door/ power latching system |
| *4 | Only models with no start/stop system |
| *5 | see applicable current flow diagram for engine |
| E26 | Glove compartment light switch |
| H1 | Horn or dual tone horn |
| H7 | Bass horn |
| J519 | Onboard supply control unit |
| SC5 | Fuse 5 on fuse holder C |
| SC11 | Fuse 11 on fuse holder C |
| SC20 | Fuse 20 on fuse holder C |
| T73a | 73-pin connector, black |
| W6 | Glove compartment light |
| 372 | Earth connection 7, in main wiring harness |
| 387 | Earth connection 22, in main wiring harness |
| B315 | Positive connection 1 (30a) in main wiring harness |
| C13 | Positive connection in dual tone horn wiring harness |
| * | Only models with dual tone horn |
| *2 | According to equipment |
| *3 | see applicable current flow diagram for interior lights |
| *4 | Only models with no special police equipment |
| E2 | Turn signal switch |
| E4 | Headlight dipper and flasher switch |
| E19 | Parking light switch |
| E45 | Cruise control system switch |
| E227 | Cruise control system (CCS) SET button |
| E595 | Steering column combination switch |
| J519 | Onboard supply control unit |
| J623 | Engine control unit |
| SC9 | Fuse 9 on fuse holder C |
| SC37 | Fuse 37 on fuse holder C |
| T10l | 10-pin connector, black, in E-box |
| T41 | 41-pin connector, grey |
| T73a | 73-pin connector, black |
| T73b | 73-pin connector, white |
| 388 | Earth connection 23, in main wiring harness |
| B285 | Positive connection 9 (15a) in main wiring harness |
| B441 | Connection (CCS), in main wiring harness |
| * | see applicable current flow diagram for engine |
| *2 | Only models with cruise control system and with no multifunction steering wheel |
| *3 | Only models with no electric interface |
| E86 | Multifunction display call-up button |
| E109 | Multifunction display memory switch |
| E595 | Steering column combination switch |
| F350 | Coil connector |
| G85 | Steering angle sender |
| H | Horn plate |
| J234 | Airbag control unit |
| J519 | Onboard supply control unit |
| N95 | Driver side airbag igniter |
| SC51 | Fuse 51 on fuse holder C |
| T12ae | 12-pin connector, yellow, in steering wheel |
| T41 | 41-pin connector, grey |
| T50 | 50-pin connector, yellow |
| T73a | 73-pin connector, black |
| 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 |
| * | Only models with no multifunction steering wheel |
| *2 | Only models with multifunction display |
| *3 | According to equipment |
| *4 | see applicable current flow diagram for CAN bus network |
| F34 | Brake fluid level warning contact |
| G21 | Speedometer |
| G33 | Windscreen washer fluid level sender |
| H3 | Buzzer and gong |
| J285 | Control unit in dash panel insert |
| K | Dash panel insert |
| K2 | Alternator warning lamp |
| K37 | Washer fluid level warning lamp |
| K65 | Left turn signal warning lamp |
| K94 | Right turn signal warning lamp |
| SC22 | Fuse 22 on fuse holder C |
| T10a | 10-pin connector, brown, in E-box |
| T10c | 10-pin connector, yellow, in E-box |
| T10h | 10-pin connector, orange, in E-box |
| T10l | 10-pin connector, light green, in E-box |
| T32 | 32-pin connector, blue |
| Y4 | Trip counter |
| 327 | Earth connection (sender earth), in engine compartment wiring harness |
| 410 | Earth connection 1 (sender earth) 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 windscreen washer fluid level sender |
| *2 | According to equipment |
| *3 | see applicable current flow diagram for CAN bus network |
| G | Fuel gauge sender |
| G1 | Fuel gauge |
| G3 | Coolant temperature gauge |
| G6 | Fuel system pressurisation pump |
| G17 | Ambient temperature sensor |
| G32 | Coolant shortage indicator sender |
| J17 | Fuel pump relay |
| J285 | Control unit in dash panel insert |
| K | Dash panel insert |
| K36 | Coolant shortage warning lamp |
| K105 | Reserve fuel warning lamp |
| SB30 | Fuse 30 on fuse holder B |
| T6b | 6-pin connector, red, under driver seat |
| T10c | 10-pin connector, yellow, in E-box |
| T14 | 14-pin connector, black |
| T32 | 32-pin connector, blue |
| 366 | Earth connection 1, in main wiring harness |
| 368 | Earth connection 3, in main wiring harness |
| 410 | Earth connection 1 (sender earth) in main wiring harness |
| 636 | Earth point, onboard supply control unit |
| * | Only models with petrol engine |
| *2 | Only models with diesel engine |
| D2 | Immobiliser reader coil |
| G266 | Oil level and oil temperature sender |
| J285 | Control unit in dash panel insert |
| K | Dash panel insert |
| K1 | Main beam warning lamp |
| K13 | Rear fog light warning lamp |
| SC30 | Fuse 30 on fuse holder C |
| T3bc | 3-pin connector, black, on underbody, near cross panel |
| T32 | 32-pin connector, blue |
| 367 | Earth connection 2, in main wiring harness |
| 368 | Earth connection 3, in main wiring harness |
| B142 | Positive connection 2 (56a), in interior wiring harness |
| B278 | Positive connection 2 (15a) in main wiring harness |
| * | Only models with extended servicing intervals (ESI) |
| *2 | Only models with double cab/ dropside |
| *3 | Only panel van and Kombi models with no separate passenger compartment ventilation, not for double cab |
| *4 | Only Camper, panel van and Kombi models with separate passenger compartment ventilation |
| F1 | Oil pressure switch |
| F9 | Handbrake warning switch |
| G34 | Front left brake pad wear sender |
| G37 | Rear right brake pad wear sender |
| J285 | Control unit in dash panel insert |
| J623 | Engine control unit |
| K | Dash panel insert |
| K3 | Oil pressure warning lamp |
| K32 | Brake pad warning lamp |
| K38 | Oil level warning lamp |
| K118 | Brake system warning lamp |
| T2m | 2-pin connector, red |
| T10a | 10-pin connector, brown, in E-box |
| T10h | 10-pin connector, orange, in E-box in engine compartment |
| T10j | 10-pin connector, dark brown, in E-box |
| T14f | 14-pin connector, grey |
| T32 | 32-pin connector, blue |
| B464 | Connection (speed signal), in main wiring harness |
| B527 | Connection (handbrake), in main wiring harness |
| * | see applicable current flow diagram for ABS |
| *2 | see applicable current flow diagram for engine |
| E9 | Fresh air blower switch |
| E159 | Fresh air and air recirculation flap switch |
| J59 | X-contact relief relay |
| J493 | Auxiliary coolant heater relay |
| K114 | Fresh air and air recirculation warning lamp |
| L16 | Fresh air regulator illumination bulb |
| N24 | Fresh air blower series resistor with overheating fuse |
| SC15 | Fuse 15 on fuse holder C |
| SC24 | Fuse 24 on fuse holder C |
| S25 | Hot air blower single fuse |
| T5f | 5-pin connector, black |
| T16d | 16-pin connector, black |
| V2 | Fresh air blower |
| V154 | Fresh air and air recirculation flap control motor |
| 638 | Earth point, on right A-pillar |
| 639 | Earth point, left A-pillar |
| B138 | Positive connection (X), in interior wiring harness |
| B468 | Connection 4, in main wiring harness |
| B469 | Connection 5, in main wiring harness |
| B472 | Connection 8, in main wiring harness |
| * | Only left-hand drive models |
| *2 | Only right-hand drive models |
| *3 | Only models with auxiliary coolant heater |
| *4 | Only models with no auxiliary coolant heater |
| *5 | Only Camper, panel van and Kombi models with separate passenger compartment ventilation |
| E179 | Rear fresh air blower switch, in dash panel |
| G479 | Potentiometer for rear temperature flap motor |
| N10 | Series resistor for rear fresh air blower |
| T5e | 5-pin connector, black |
| T6x | 6-pin connector, purple, under front passenger seat |
| T10ay | 10-pin connector, red, under front passenger seat |
| T16e | 16-pin connector, black |
| V80 | Rear fresh air blower |
| V137 | Rear temperature flap control motor |
| 654 | Earth point, on right D-pillar |
| B472 | Connection 8, in main wiring harness |
| L77 | Connection, in fresh air blower wiring harness |
| * | Only models with 2nd heater in passenger compartment |
| *2 | Only panel van and Kombi models with no separate passenger compartment ventilation, not for double cab |
| *3 | Only Camper, panel van and Kombi models with separate passenger compartment ventilation |
| *4 | Only models with double cab/ dropside |
| E179 | Rear fresh air blower switch, in dash panel |
| J487 | Fresh air blower isolation relay |
| N82 | Coolant shut-off valve |
| SC42 | Fuse 42 on fuse holder C |
| T5e | 5-pin connector, black |
| T6h | 6-pin connector, purple, under front passenger seat |
| T16e | 16-pin connector, black |
| V80 | Rear fresh air blower |
| 34 | Earth point, under driver seat |
| 68 | Earth point, on left of rear cross member |
| 86 | Earth connection 1, in rear wiring harness |
| * | Only models with double cab/ dropside |
| *2 | Only panel van and Kombi models with no separate passenger compartment ventilation, not for double cab |
| E179 | Rear fresh air blower switch, in roof |
| G479 | Potentiometer for rear temperature flap motor |
| J487 | Fresh air blower isolation relay |
| N10 | Series resistor for rear fresh air blower |
| SC42 | Fuse 42 on fuse holder C |
| T5c | 5-pin connector, black |
| T6x | 6-pin connector, purple, under front passenger seat |
| T16a | 16-pin connector, black |
| V80 | Rear fresh air blower |
| V137 | Rear temperature flap control motor |
| 427 | Earth connection 3, in right rear end wiring harness |
| 429 | Earth connection 4, in right rear end wiring harness |
| 654 | Earth point, on right D-pillar |
| B471 | Connection 7, in main wiring harness |
| L77 | Connection, in fresh air blower wiring harness |
| * | Only Camper, panel van and Kombi models with separate passenger compartment ventilation |