A | Battery |
B | Starter |
C | Alternator |
C1 | Voltage regulator |
D | Ignition starter switch |
F18 | Radiator fan thermal switch |
J519 | Vehicle voltage control unit |
SA1 | Fuse 1 on fuse holder A |
SA6 | Fuse 6 on fuse holder A |
SA8 | Fuse 8 on fuse holder A |
T2w | 2-pin connector, in the holder on the gearbox |
T3e | 3-pin connector, in the holder on the left radiator |
T3h | 3-pin connector, on radiator fan thermal switch |
T8a | 8-pin connector, at ignition starter switch |
T18a | 18-pin connector, at onboard supply control unit (brown) |
V7 | Radiator fan |
672 | Earth point 2 at front left longitudinal member |
B344 | Connection 1 (61) in main wiring harness |
| Radiator fan thermal switch and radiator fan depending upon optional equipment (not valid for vehicles with Climatic / Climatronic) |
J519 | Vehicle voltage control unit |
J623 | Engine control unit |
T14a | 14-pin connector in engine compartment, left (connection engine wiring harness / main wiring harness) |
T94a | 94-pin connector, at engine control unit |
12 | Earth point on left in engine compartment |
281 | Earth connection 1 in engine wiring harness |
376 | Earth connection 11 in main wiring harness |
B278 | Positive connection 2 (15a) in main wiring harness |
B353 | Positive connection 4 (87a) in main wiring harness |
* | for vehicles with extended servicing intervals (ESI) |
** | Optional equipement |
F | Brake light switch |
F36 | Clutch pedal switch |
F47 | Brake pedal switch |
G79 | Accelerator pedal position sender |
G185 | Accelerator pedal position sender 2 |
J519 | Vehicle voltage control unit |
J623 | Engine control unit |
T4d | 4-pin connector, at brake pedal switch |
T4h | 4-pin connector, at clutch pedal switch |
T6u | 8-pin connector, at accelerator pedal position sender |
T94a | 94-pin connector, at engine control unit |
B335 | Connection 1 (54) in main wiring harness |
B350 | Positive connection 1 (87a) in main wiring harness |
B633 | Connection (brake pedal switch) in main wiring harness |
F268 | Additional heating heater element contact switch |
G62 | Coolant temperature sender |
G81 | Fuel temperature sender |
J519 | Vehicle voltage control unit |
J623 | Engine control unit |
N75 | Charge pressure control solenoid valve |
N345 | Exhaust gas recirculation cooler change-over valve |
T8s | 8-pin connector in engine compartment, left (connection engine wiring harness / main wiring harness) |
T10d | 10-pin connector, behind right dash panel |
T14a | 14-pin connector in engine compartment, left (connection engine wiring harness / main wiring harness) |
T16c | 16-pin connector on the heating and fresh air control |
T60a | 60-pin connector, at engine control unit |
T94a | 94-pin connector, at engine control unit |
474 | Earth connection (sender earth), in engine wiring harness |
B352 | Positive connection 3 (87a) in main wiring harness |
B441 | Connection (CCS) in main wiring harness |
* | not valid for vehicles with Climatronic |
** | for vehicles with CCS |
| for vehicles with additional air heater |
G28 | Engine speed sender |
G31 | Charge pressure sender |
G40 | Hall sender |
G42 | Intake air temperature sender |
G70 | Air mass meter |
J519 | Vehicle voltage control unit |
J623 | Engine control unit |
T3j | 3-pin connector, at Hall sender |
T3m | 3-pin connector, at engine speed sender |
T4an | 4-pin connector, at charge pressure and intake air temperature sender |
T5b | 5-pin connector, at air mass meter |
T60a | 60-pin connector, at engine control unit |
T94a | 94-pin connector, at engine control unit |
B369 | Connection 1 (5V), in main wiring harness |
J519 | Vehicle voltage control unit |
J623 | Engine control unit |
N240 | Unit injector solenoid valve of No. 1 cyl. |
N241 | Unit injector solenoid valve of No. 2 cyl. |
N242 | Unit injector solenoid valve of No. 3 cyl. |
N243 | Unit injector solenoid valve of No. 4 cyl. |
T8o | 8-pin connector, at cylinder head |
T16b | 16-pin connector, at onboard supply control unit (black) |
T60a | 60-pin connector, at engine control unit |
T94a | 94-pin connector, at 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 |
B625 | Connection (diagnosis wire K), in main wiring harness |
G7 | Positive connection (unit injector valves) in cylinder head wiring harness |
G8 | Positive connection (unit injector valves) in engine wiring harness |
| for vehicles with additional air heater |
G212 | Exhaust gas recirculation potentiometer |
J519 | Vehicle voltage control unit |
J623 | Engine control unit |
N18 | Exhaust gas recirculation valve |
T6ak | 6-pin connector, on exhaust gas recirculation control motor |
T60a | 60-pin connector, at engine control unit |
V338 | Exhaust gas recirculation control motor |
250 | Earth connection in engine wiring harness, diesel |
D141 | Connection (5V) in engine wiring harness |
G266 | Oil level and oil temperature sender |
J519 | Vehicle voltage control unit |
J623 | Engine control unit |
T3f | 3-pin connector at oil level and oil temperature sender |
T5g | 5-pin connector, at intake manifold flap motor |
T14a | 14-pin connector in engine compartment, left (connection engine wiring harness / main wiring harness) |
T60a | 60-pin connector, at engine control unit |
V157 | Intake manifold flap motor |
250 | Earth connection in engine wiring harness, diesel |
D141 | Connection (5V) in engine wiring harness |
* | for vehicles with extended servicing intervals (ESI) |
G235 | Exhaust gas temperature sender 1 |
G448 | Exhaust gas temperature sender 2 for bank 1 |
G450 | Exhaust gas pressure sensor 1 |
G527 | Temperature sender downstream particle filter |
J519 | Vehicle voltage control unit |
J623 | Engine control unit |
T2d | 2-pin connector for exhaust gas temperature sender 1 (black), on right in engine compartment |
T2e | 2-pin connector for exhaust gas temperature sender 2 for bank 1 (brown), on right in engine compartment |
T2f | 2-pin connector for temperature sender downstream particle filter (orange), on right in engine compartment |
T3k | 3-pin connector, at exhaust gas pressure sensor 1 |
T8s | 8-pin connector in engine compartment, left (connection engine wiring harness / main wiring harness) |
T14a | 14-pin connector in engine compartment, left (connection engine wiring harness / main wiring harness) |
T60a | 60-pin connector, at engine control unit |
T94a | 94-pin connector, at engine control unit |
411 | Earth connection 2 (sender earth) in main wiring harness |
474 | Earth connection (sender earth), in engine wiring harness |
F1 | Oil pressure switch |
G | Fuel gauge sender |
G1 | Fuel gauge |
G6 | Fuel pump for predelivery |
G21 | Speedometer |
J285 | Control unit in dash panel insert |
J519 | Vehicle voltage control unit |
K | Dash panel insert |
K3 | Oil pressure warning light |
K29 | Glow period warning light |
K38 | Oil level warning light |
K83 | Exhaust emissions warning lamp |
K105 | Fuel reserve warning light |
K231 | Diesel particle filter warning light |
T4f | 4-pin connector, on the fuel pump for predelivery |
T14a | 14-pin connector in engine compartment, left (connection engine wiring harness / main wiring harness) |
T32a | 32-pin connector, at dash panel insert |
Y4 | Odometer display |
370 | Earth connection 5 in main wiring harness |
410 | Earth connection 1 (sender earth) in main wiring harness |
B464 | Connection (speed signal) in main wiring harness |
* | for vehicles with extended servicing intervals (ESI) |