A | Battery |
B | Starter |
C | Alternator |
C1 | Voltage regulator |
F18 | Thermal switch for radiator fan |
J53 | Starter motor relay |
J59 | X-contact relief relay |
SA1 | Fuse 1 (30), on battery fuse holder |
SA2 | Fuse 2 (30), on battery fuse holder |
SA3 | Fuse 3 (30), on battery fuse holder |
SA4 | Fuse 4 (30), on battery fuse holder |
SA5 | Fuse 2 (30), on battery fuse holder |
T3b | 3-pin connector, near battery |
T4 | 4-pin connector |
T8 | 8-pin connector |
T10a | 10-pin connector, green, coupling station under relay carrier |
T10d | 10-pin connector, red, coupling station under relay carrier |
T14 | 14-pin connector, on left in engine compartment |
V7 | Radiator fan |
500 | Screw connection 1 (30), on relay plate |
501 | Screw connection 2 (30), on relay plate |
502 | Screw connection 3 (30), on relay plate |
A32 | Positive connection (30), in dash panel wiring harness |
B111 | Positive connection 1 (30a), in interior wiring harness |
* | Applicable from model year 2001 |
F60 | Idling speed switch |
G79 | Accelerator position sender |
J17 | Fuel pump relay |
J248 | Diesel direct injection system control unit |
J317 | Terminal 30 voltage supply relay |
SB23 | Fuse 23 on fuse holder |
SB37 | Fuse 37 on fuse holder |
SB40 | Fuse 40 on fuse holder |
T6c | 6-pin connector, on left under dash panel |
T10a | 10-pin connector, green, coupling station under relay carrier |
T10d | 10-pin connector, red, coupling station under relay carrier |
T121 | 121-pin connector |
A40 | Positive connection 1 (30), in dash panel wiring harness |
A52 | Positive connection 2 (30), in dash panel wiring harness |
B111 | Positive connection 1 (30a), in interior wiring harness |
F25 | Connection 1, in diesel direct injection system wiring harness |
* | Applicable from model year 2001 |
G2 | Coolant temperature sender |
G28 | Engine speed sender |
G62 | Coolant temperature sender |
G71 | Intake manifold pressure sender |
G72 | Intake manifold temperature sender |
J248 | Diesel direct injection system control unit |
J362 | Immobiliser control unit |
T3g | 3-pin connector |
T10a | 10-pin connector, green, coupling station under relay carrier |
T10d | 10-pin connector, red, coupling station under relay carrier |
T10k | 10-pin connector |
T14 | 14-pin connector, black, on left on cylinder head |
T121 | 121-pin connector |
10 | Earth point, in plenum chamber |
F27 | Connection (screening), in diesel direct injection wiring harness |
F268 | Auxiliary heating heater element contact switch |
G40 | Hall sender (for camshaft) |
J248 | Diesel direct injection system control unit |
N240 | Unit injector valve, No. 1 cylinder |
N241 | Unit injector valve, No. 2 cylinder |
N242 | Unit injector valve, No. 3 cylinder |
T3l | 3-pin connector, on front of engine |
T4 | 4-pin connector |
T8l | 8-pin connector, on cylinder head |
T10d | 10-pin connector, red, coupling station under relay carrier |
T10u | 10-pin connector, centre behind dash panel |
T121 | 121-pin connector |
F26 | Connection 2, in diesel direct injection system wiring harness |
D101 | Connection 1, in engine compartment wiring harness |
J248 | Diesel direct injection system control unit |
J359 | Low heat output relay |
J360 | High heat output relay |
Q7 | Coolant heater element(s) |
S109 | Coolant heater element(s) fuse |
S143 | Coolant heater element(s) fuse 2 |
S265 | Coolant heater element(s) fuse 3 |
T3a | 3-pin connector, on left of cylinder head |
T121 | 121-pin connector |
A1 | Positive connection (30a), in dash panel wiring harness |
D98 | Connection (glow plugs), in engine compartment wiring harness |
F26 | Connection 2, in diesel direct injection system wiring harness |
* | From May 2003 |
E35 | Air conditioning system switch |
G81 | Fuel temperature sender |
J104 | ABS/ABS with EDL control unit |
J248 | Diesel direct injection system control unit |
J293 | Radiator fan control unit |
N79 | Crankcase breather heater breather |
T14 | 14-pin connector |
T25 | 25-pin connector |
T10s | 10-pin connector, grey, coupling station under relay carrier |
T121 | 121-pin connector |
12 | Earth point, on left in engine compartment |
119 | Earth connection 1, in headlight wiring harness |
D61 | Connection (air conditioning system), in engine compartment wiring harness |
D159 | Connection (high bus), in engine compartment wiring harness |
D160 | Connection (low bus), in engine compartment wiring harness |
F26 | Connection 2, in diesel direct injection system wiring harness |
* | Only models with air conditioning system |
F | Brake light switch |
F36 | Clutch pedal switch |
F47 | Cruise control system brake pedal switch/diesel direct injection system |
J234 | Airbag control unit |
J248 | Diesel direct injection system control unit |
J491 | Fuel shut-off control unit for crash |
M... | Brake light bulb |
SB15 | Fuse 15 on fuse holder |
SB24 | Fuse 24 on fuse holder |
SB32 | Fuse 32 on fuse holder |
T4 | 4-pin connector |
T10 | 10-pin connector, white, coupling station under relay carrier |
T10a | 10-pin connector, green, coupling station under relay carrier |
T10c | 10-pin connector, blue, coupling station under relay carrier |
T10d | 10-pin connector, red, coupling station under relay carrier |
T10j | 10-pin connector, yellow, coupling station under relay carrier |
T75 | 75-pin connector |
T121 | 121-pin connector |
76 | Earth point, near selector mechanism |
81 | Earth connection 1, in dash panel wiring harness |
A27 | Connection (speed signal), in dash panel wiring harness |
A125 | Connection (crash signal), in dash panel wiring harness |
B131 | Connection (54), in interior wiring harness |
D73 | Positive connection (54), in engine compartment wiring harness |
* | Only models with ABS |
D | Ignition/starter switch |
F1 | Oil pressure switch |
G22 | Speedometer sender (Hall sender on gearbox) |
J52 | Glow plug relay, on relay carrier |
Q6 | Glow plugs - engine |
SB28 | Fuse 28 on fuse holder |
T7 | 7-pin connector |
T10a | 10-pin connector, green, coupling station under relay carrier |
T10b | 10-pin connector, black, coupling station under relay carrier |
T10d | 10-pin connector, red, coupling station under relay carrier |
T14 | 14-pin connector, on left in engine compartment |
A2 | Positive connection (15), in dash panel wiring harness |
A15 | Positive connection (15), in instrument panel wiring harness |
A38 | Positive connection 2 (15a), in dash panel wiring harness |
G | Fuel gauge sender |
G6 | Fuel system pressurisation pump |
G32 | Coolant shortage indicator sender |
H3 | Warning buzzer |
J285 | Control unit with display in dash panel insert |
K3 | Oil pressure warning lamp |
K28 | Coolant temperature/coolant shortage warning lamp |
T10b | 10-pin connector, black, coupling station under relay carrier |
T10d | 10-pin connector, red, coupling station under relay carrier |
T14 | 14-pin connector, on left in engine compartment |
T32 | 32-pin connector, blue |
50 | Earth point, on left in luggage compartment |
120 | Earth connection 2, in headlight wiring harness |
B109 | Earth connection, in rear left interior wiring harness |
* | Applicable from model year 2001 |
G1 | Fuel gauge |
G3 | Coolant temperature display |
G5 | Rev. counter |
G21 | Speedometer |
J285 | Control unit with display in dash panel insert |
J533 | Data bus diagnostic interface |
K2 | Alternator warning lamp |
K29 | Glow period warning lamp |
K105 | Reserve fuel warning lamp |
T16 | 16-pin connector, centre in dash panel, self-diagnosis connection |
T32 | 32-pin connector |
T32a | 32-pin connector, green |
A27 | Connection (speed signal), in dash panel wiring harness |
A76 | Connection (K-diagnosis wire), in dash panel wiring harness |
A121 | Connection (high bus), in dash panel wiring harness |
A122 | Connection (low bus), in dash panel wiring harness |