A | Battery |
B | Starter |
C | Alternator |
C1 | Voltage regulator |
F18 | Radiator fan thermal switch |
J519 | Onboard supply control unit |
S162 | Fuse 1 (30), in fuse holder on battery |
S163 | Fuse 2 (30), in fuse holder on battery |
S176 | Fuse 4 (30), in fuse holder on battery |
S180 | Fuse 8 (30), in fuse holder on battery |
T2 | 2-pin connector, near starter |
T3a | 3-pin connector, grey, on left of bulkhead |
T3b | 3-pin connector, on radiator fan |
T11a | 11-pin connector, white, on left of bulkhead |
T12a | 12-pin connector, white, on left of bulkhead |
T18a | 18-pin connector, brown |
V7 | Radiator fan |
11 | Earth point, in battery box |
12 | Earth point, on left in engine compartment |
B170 | Positive connection 2 (30), in interior wiring harness |
* | Applies only to models not fitted with air conditioner or Climatronic |
D | Ignition and starter switch |
J359 | Low heat output relay |
J360 | High heat output relay |
J519 | Onboard supply control unit |
S276 | Heater element fuse 1 |
S277 | Heater element fuse 2 |
S278 | Heater element fuse 3 |
T6n | 6-pin connector, blue, on left of bulkhead |
T18a | 18-pin connector, brown |
Z35 | Auxiliary air heater element |
606 | Earth point, under centre console near gearstick |
A2 | Positive connection (15), in dash panel wiring harness |
A15 | Positive connection (15), in instruments wiring harness |
A32 | Positive connection (30), in dash panel wiring harness |
A40 | Positive connection 1 (30), in dash panel wiring harness |
A52 | Positive connection 2 (30), in dash panel wiring harness |
A104 | Positive connection 2 (15), in dash panel wiring harness |
A176 | Connection (auxiliary heater), in dash panel wiring harness |
B169 | Positive connection 1 (30), in interior wiring harness |
B170 | Positive connection 2 (30), in interior wiring harness |
J248 | Diesel direct injection system control unit |
J317 | Terminal 30 voltage supply relay |
J519 | Onboard supply control unit |
SB4 | Fuse 4 on fuse holder |
SB14 | Fuse 14 on fuse holder |
SB40 | Fuse 40 on fuse holder |
T3a | 3-pin connector, grey, on left of bulkhead |
T6r | 6-pin connector, brown, on left of bulkhead |
T11b | 11-pin connector, red, on left of bulkhead |
T14 | 14-pin connector, on left in engine compartment |
T121 | 121-pin connector |
A101 | Connection 3 (87), in dash panel wiring harness |
D102 | Connection 2, in engine compartment wiring harness |
F | Brake light switch |
F8 | Kickdown switch |
F36 | Clutch pedal switch |
F47 | Brake pedal switch |
F60 | Idling speed switch |
F268 | Auxiliary heating heater element contact switch |
G72 | Intake manifold temperature sender |
G79 | Accelerator pedal position sender |
G185 | Accelerator pedal position sender 2 |
J248 | Diesel direct injection system control unit |
J519 | Onboard supply control unit |
SB26 | Fuse 26 on fuse holder |
T6n | 6-pin connector, blue, on left of bulkhead |
T10c | 10-pin connector, on the right behind dash panel |
T11c | 11-pin connector, blue, on left of bulkhead |
T16cd | 16-pin connector, on air conditioning system control unit |
T121 | 121-pin connector |
328 | Earth connection 2 (sender earth), in engine compartment wiring harness |
A89 | Connection 2 (54), in dash panel wiring harness |
A100 | Connection 2 (87), in dash panel wiring harness |
D73 | Positive connection (54), in engine compartment wiring harness |
D101 | Connection 1, in engine compartment wiring harness |
G81 | Fuel temperature sender |
G149 | Modulating piston movement sender |
J248 | Diesel direct injection system control unit |
J519 | Onboard supply control unit |
N18 | Exhaust gas recirculation valve |
N108 | Commencement of injection valve |
N109 | Fuel shut-off valve |
N146 | Metering adjuster |
T10e | 10-pin connector |
T14 | 14-pin connector, on left in engine compartment |
T121 | 121-pin connector |
V157 | Intake manifold flap motor |
E30 | Connection (87a), in engine wiring harness |
F25 | Connection 1, in diesel direct injection system wiring harness |
F36 | Connection (87a), in diesel direct injection system wiring harness |
G28 | Engine speed sender |
G80 | Needle lift sender |
J248 | Diesel direct injection system control unit |
J519 | Onboard supply control unit |
J533 | Data bus diagnostic interface |
T6n | 6-pin connector, blue, on left of bulkhead |
T11a | 11-pin connector, white, on left of bulkhead |
T14 | 14-pin connector, on left in engine compartment |
T16a | 16-pin connector, black |
T16b | 16-pin connector, diagnostic connection |
T18a | 18-pin connector, brown |
T121 | 121-pin connector |
29 | Earth point, on left in engine compartment behind battery |
131 | Earth connection 2, in engine compartment wiring harness |
156 | Earth connection, in diesel direct injection 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 |
D159 | Connection (high bus), in engine compartment wiring harness |
D160 | Connection (low bus), in engine compartment wiring harness |
F27 | Connection (screening), in diesel direct injection system wiring harness |
E45 | Cruise control system switch |
G62 | Coolant temperature sender |
J52 | Glow plug relay |
J248 | Diesel direct injection system control unit |
J519 | Onboard supply control unit |
Q6 | Engine glow plugs |
T2g | 2-pin connector, near glow plug |
T6v | 6-pin connector, green, on left of bulkhead |
T6y | 6-pin connector, brown |
T11a | 11-pin connector, white, on left of bulkhead |
T11b | 11-pin connector, red, on left of bulkhead |
T41 | 41-pin connector, on steering column switch |
T121 | 121-pin connector |
A27 | Connection (speed signal), in dash panel wiring harness |
A56 | Positive connection 2 (30), in instruments wiring harness |
A152 | Connection 5 (87), in dash panel wiring harness |
A130 | Connection (CCS), in dash panel wiring harness |
D78 | Positive connection 1 (30a), in engine compartment wiring harness |
D98 | Connection (glow plugs), in engine compartment wiring harness |
* | Applies only to models with cruise control system |
F1 | Oil pressure switch |
G | Fuel gauge sender |
G1 | Fuel gauge |
G22 | Speedometer sender |
G266 | Oil level and oil temperature sender |
J285 | Control unit in dash panel insert |
J519 | Onboard supply control unit |
K3 | Oil pressure warning lamp |
K29 | Glow period warning lamp |
K105 | Reserve fuel warning lamp |
SB7 | Fuse 7 on fuse holder |
T6v | 6-pin connector, green, on left of bulkhead |
T11a | 11-pin connector, white, on left of bulkhead |
T11b | 11-pin connector, red, on left of bulkhead |
T14 | 14-pin connector, on left in engine compartment |
T32a | 32-pin connector |
269 | Earth connection 1 (sender earth), in dash panel wiring harness |
* | Not on models with ABS |