A | Battery |
B | Starter |
C | Alternator |
C1 | Voltage regulator |
D | Ignition/starter switch |
F18 | Radiator fan thermal switch |
S162 | Fuse -1- (30), in fuse holder on the battery |
S180 | Fuse -8- (30), in fuse holder on the battery |
T1a | 1-pin connector, at starter |
T2v | 2-pin connector, at alternator |
T2w | 2-pin connector, in the holder on the gearbox |
T3h | 3-pin connector, at radiator fan thermal switch |
T3i | 3-pin connector, in the holder on the left radiator |
T8a | 8-pin connector, at ignition/starter switch |
T11b | 11-pin connector, at front wall, left (red) |
T11c | 11-pin connector, at front wall, left (blue) |
T18a | 18-pin connector, on the onboard power supply control unit (brown) |
V7 | Radiator fan |
12a | Earth point -2-, on left in engine compartment, below the battery (at longitudinal member) |
P1 | Positive connection (30), in fuse holder on the battery |
| Thermal switch and radiator fan depending upon optional equipment (not valid for vehicles with air conditioning system) |
J52 | Glow plug relay |
J248 | Diesel direct injection system control unit |
Q6 | Glow plugs |
S125 | Glow plug fuse |
SB14 | Fuse, in fuse holder |
T2g | 2-pin connector, on left in engine compartment (connection engine prewiring wiring harness/engine compartment wiring harness) |
T6w | 6-pin connector, at front wall, left (grey) |
T11b | 11-pin connector, at front wall, left (red) |
T11c | 11-pin connector, at front wall, left (blue) |
T14a | 14-pin connector, on left in engine compartment (connection engine prewiring wiring harness/engine compartment wiring harness) |
T81a | 81-pin connector, at engine control unit |
TV2 | Terminal 30 wiring junction, behind dash panel, left |
29 | Earth point, on left in engine compartment, behind the battery (on suspension strut mount) |
131 | Earth connection -2-, in engine compartment wiring harness |
281 | Earth connection -1-, in engine wiring harness |
A101 | Connection (87), in wiring harness behind dash panel |
A151 | Connection (87), in wiring harness behind dash panel |
D102 | Connection -2- (87a), on left in engine compartment wiring harness |
* | only on vehicles with extended servicing intervals (ESI) |
** | only on vehicles with optional equipment |
*** | Terminal 30 wiring junction depending upon optional equipment |
F | Brake light switch |
F8 | Kick-down switch |
F36 | Clutch pedal switch |
F47 | Brake pedal switch |
F60 | Idling switch |
G79 | Accelerator pedal position sender |
G266 | Oil level/oil temperature sender |
J248 | Diesel direct injection system control unit |
SB2 | Fuse, in fuse holder |
T3f | 3-pin connector, at oil level/oil temperature sender |
T4d | 4-pin connector, at brake pedal switch |
T4h | 4-pin connector, at clutch pedal switch |
T6u | 6-pin connector, at accelerator pedal position sender |
T9a | 9-pin connector, at front wall, left (yellow) |
T11c | 11-pin connector, at front wall, left (blue) |
T14a | 14-pin connector, on left in engine compartment (connection engine prewiring wiring harness/engine compartment wiring harness) |
T81a | 81-pin connector, at engine control unit |
A18 | Connection (54), in wiring harness behind dash panel |
A100 | Connection (87a), in wiring harness behind dash panel |
D73 | Connection (54), in engine compartment wiring harness, right |
D101 | Connection (brake pedal switch), in engine compartment wiring harness |
D107 | Connection -5- (oil level/oil temperature sender), on left in engine compartment wiring harness |
* | only on vehicles with extended servicing intervals (ESI) |
** | not valid for vehicles with ABS/ ABS with TCS/ ABS with EDL and TCS/ESP |
F268 | Heater element contact switch (PTC) |
G62 | Coolant temperature sender |
G81 | Fuel temperature sender |
J248 | Diesel direct injection system control unit |
N18 | Exhaust gas recirculation valve |
N75 | Charge pressure control solenoid valve |
T2b | 2-pin connector, at fuel temperature sender |
T2y | 2-pin connector, at coolant temperature sender |
T6z | 6-pin connector, at valve block |
T10c | 10-pin connector, behind dash panel, right |
T11b | 11-pin connector, at front wall, left (red) |
T14a | 14-pin connector, on left in engine compartment (connection engine prewiring wiring harness/engine compartment wiring harness) |
T16c | 16-pin connector, at the fresh air regulation |
T40a | 40-pin connector, at engine control unit |
T81a | 81-pin connector, at engine control unit |
A130 | Connection (CCS), in wiring harness behind dash panel, left |
D103 | Connection -3- (87a), in engine compartment wiring harness |
* | not valid for vehicles with air conditioning system |
| only on vehicles with CCS |
| only on vehicles with heater element (PTC) |
G28 | Engine speed sender |
G40 | Camshaft position sender |
G70 | Air mass meter |
G71 | Intake manifold pressure sender |
G72 | Intake manifold temperature sender |
J248 | Diesel direct injection system control unit |
N79 | Heating resistor for crankcase ventilation |
T2m | 2-pin connector, at heating resistor for crankcase ventilation |
T3j | 3-pin connector, at camshaft position sender |
T3m | 3-pin connector, at engine speed sender |
T4g | 4-pin connector, at intake manifold pressure sender and intake manifold temperature sender |
T5l | 5-pin connector, at air mass meter |
T40a | 40-pin connector, at engine control unit |
T81a | 81-pin connector, at engine control unit |
D52 | Positive connection (15a), in engine compartment wiring harness |
F27 | Connection (screening), in engine prewiring wiring harness |
F36 | Connection (87a), in engine wiring harness |
** | only on vehicles with optional equipment |
J248 | Diesel direct injection system control unit |
N240 | Unit injector valve, cylinder 1 |
N241 | Unit injector valve, cylinder 2 |
N242 | Unit injector valve, cylinder 3 |
N243 | Unit injector valve, cylinder 4 |
T2c | 2-pin connector, at unit injector valve, cylinder 1 |
T2d | 2-pin connector, at unit injector valve, cylinder 2 |
T2e | 2-pin connector, at unit injector valve, cylinder 3 |
T2f | 2-pin connector, at unit injector valve, cylinder 4 |
T8o | 8-pin connector, at cylinder head |
T11b | 11-pin connector, at front wall, left (red) |
T11e | 11-pin connector, at front wall, left (green) |
T40a | 40-pin connector, at engine control unit |
T81a | 81-pin connector, at engine control unit |
A76 | Connection (diagnosis wire K), in wiring harness behind dash panel, left |
A121 | Connection (CAN H), in wiring harness behind dash panel |
A122 | Connection (CAN L), in wiring harness behind dash panel |
D159 | Connection (CAN H), in engine compartment wiring harness |
D160 | Connection (CAN L), in engine compartment wiring harness |
F26 | Connection (earth), in cylinder head wiring harness |
| only on vehicles with heater element (PTC) |
J359 | Low heat output relay |
J360 | High heat output relay |
S276 | Heater element fuse -1- |
S277 | Heater element fuse -2- |
S278 | Heater element fuse -3- |
T3n | 3-pin connector, behind dash panel (at heater element PTC) |
TV2 | Terminal 30 wiring junction, behind dash panel, left |
Z35 | Additional heating heater element (PTC) |
606 | Earth point, under the centre console, near gear stick |
A98 | Positive connection (30a), in wiring harness behind dash panel |
A152 | Connection (87), in wiring harness behind dash panel |
* | Terminal 30 wiring junction depending upon optional equipment |
| only on vehicles with heater element (PTC) |
J17 | Fuel pump relay |
J322 | Diesel direct injection system relay |
T6w | 6-pin connector, at front wall, left (grey) |
T9a | 9-pin connector, at front wall, left (yellow) |
T11b | 11-pin connector, at front wall, left (red) |
T14a | 14-pin connector, on left in engine compartment (connection engine prewiring wiring harness/engine compartment wiring harness) |
A15 | Positive connection (15), in wiring harness behind dash panel |
A32 | Positive connection (30a), in wiring harness behind dash panel |
A101 | Connection (87), in wiring harness behind dash panel |
D52 | Positive connection (15a), in engine compartment wiring harness |
D102 | Connection -2- (87a), on left in engine compartment wiring harness |
D103 | Connection -3- (87a), in engine compartment wiring harness |
* | only on vehicles with extended servicing intervals (ESI) |
F1 | Oil pressure switch |
G | Fuel gauge sender |
G1 | Fuel gauge |
G6 | Fuel pump |
G21 | Speedometer |
G22 | Speedometer sender |
J285 | Control unit in dash panel insert |
K | Dash panel insert |
K3 | Oil pressure warning lamp |
K29 | Glow period warning lamp |
K38 | Oil level warning lamp |
K83 | Exhaust emissions warning lamp |
K105 | Reserve fuel warning lamp |
T1b | 1-pin connector, at oil pressure switch |
T3l | 3-pin connector, at speedometer sender |
T4j | 4-pin connector, on the fuel pump |
T6w | 6-pin connector, at front wall, left (grey) |
T9a | 9-pin connector, at front wall, left (yellow) |
T11d | 11-pin connector, at front wall, left (brown) |
T14a | 14-pin connector, on left in engine compartment (connection engine prewiring wiring harness/engine compartment wiring harness) |
T32a | 32-pin connector, at dash panel insert |
Y4 | Odometer display |
199 | Earth connection, in wiring harness behind dash panel |
269 | Earth connection (sender earth) -1-, in wiring harness behind dash panel |
A27 | Connection (speed signal), in wiring harness behind dash panel |
A139 | Positive connection (15), in wiring harness behind dash panel |
* | only on vehicles with extended servicing intervals (ESI) |
** | not valid for vehicles with ABS/ ABS with TCS/ ABS with EDL and TCS/ESP |