A | Battery |
B | Starter |
C | Alternator |
C1 | Voltage regulator |
D | Ignition/starter switch |
Q6 | Glow plugs - engine |
S125 | Engine glow plug fuse, in protective housing for control units on left in engine compartment |
T2b | 2-pin connector, blue, on right on engine block |
T10b | 10-pin connector, black, on protective housing for control units on left in engine compartment |
T10d | 10-pin connector, brown, on protective housing for control units on left in engine compartment |
T10e | 10-pin connector, orange, on protective housing for control units on left in engine compartment |
1 | Earth strap, battery body |
2 | Earth strap, gearbox - body |
500 | Screw connection 1 (30), on relay plate |
504 | Screw connection 1 (87F), on relay plate |
A17 | Connection (61), in dash panel wiring harness |
A52 | Positive connection 2 (30), in dash panel wiring harness |
F31 | Connection (engine glow plugs), in diesel direct injection system wiring harness |
* | Only manual gearbox |
F8 | Kickdown switch |
F60 | Idling speed switch |
G79 | Accelerator position sender |
J52 | Glow plug relay |
J248 | Diesel direct injection system control unit, in protective housing for control units |
J317 | Terminal 30 voltage supply relay |
S102 | Engine control unit fuse, in protective housing for control units |
T3a | 3-pin connector, white |
T3s | 3-pin connector |
T6r | 6-pin connector, black |
T10b | 10-pin connector, black, on protective housing for control units on left in engine compartment |
T10e | 10-pin connector, orange, on protective housing for control units on left in engine compartment |
T15a | 15-pin connector, white, on protective housing for control units on left in engine compartment |
T121 | 121-pin connector, on diesel direct injection system control unit |
A2 | Positive connection (15), in dash panel wiring harness |
A52 | Positive connection 2 (30), in dash panel wiring harness |
D10 | Positive connection (30), in diesel direct injection system wiring harness |
F28 | Connection 3, in diesel direct injection system wiring harness |
* | Only engine code AJM |
*** | Only engine codes ATJ, AVB |
G2 | Coolant temperature display 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, in protective housing for control units |
T3 | 3-pin connector, near engine speed sender |
T10b | 10-pin connector, black, on protective housing for control units on left in engine compartment |
T10d | 10-pin connector, brown, on protective housing for control units on left in engine compartment |
T15s | 15-pin connector, red, on protective housing for control units on left in engine compartment |
T121 | 121-pin connector, on diesel direct injection system control unit |
12 | Earth point, on left in engine compartment |
156 | Earth connection, in diesel direct injection wiring harness |
A121 | Connection (high bus), in dash panel wiring harness |
A122 | Connection (low bus), in dash panel wiring harness |
F27 | Connection (screening), in diesel direct injection wiring harness |
* | Only engine code AJM |
** | Only engine codes ATJ, AVB |
E15 | Heated rear window switch |
G40 | Hall sender (for camshaft position) |
J28 | Air conditioning system and heater blocking diode |
J248 | Diesel direct injection system control unit, in protective housing for control units |
J255 | Climatronic control unit |
N240 | Unit injector valve, No. 1 cylinder |
N241 | Unit injector valve, No. 2 cylinder |
N242 | Unit injector valve, No. 3 cylinder |
N243 | Unit injector valve, No. 4 cylinder |
T3s | 3-pin connector, red, on protective housing for control units on left in engine compartment |
T8x | 8-pin connector, near injection pump |
T10b | 10-pin connector, black, on protective housing for control units on left in engine compartment |
T15s | 15-pin connector, red, on protective housing for control units on left in engine compartment |
T16b | 16-pin connector |
T121 | 121-pin connector, on diesel direct injection system control unit |
A45 | Connection (RPM signal), in dash panel wiring harness |
A64 | Connection (30, speed boost), in dash panel wiring harness |
F25 | Connection 1, in diesel direct injection system wiring harness |
* | Only automatic gearbox |
** | Only manually controlled air conditioning system |
*** | Only Climatronic |
G70 | Air mass meter |
J248 | Diesel direct injection system control unit, in protective housing for control units |
N18 | Exhaust gas recirculation valve |
N75 | Charge pressure control solenoid valve |
N239 | Variable intake manifold flap changeover valve |
S231 | Fuse in fuse holder |
T10d | 10-pin connector, brown, on protective housing for control units on left in engine compartment |
T10e | 10-pin connector, orange, on protective housing for control units on left in engine compartment |
T15s | 15-pin connector, red, on protective housing for control units on left in engine compartment |
T121 | 121-pin connector, on diesel direct injection system control unit |
503 | Screw connection (75x), on relay plate |
A60 | Connection (speed signal), in dash panel wiring harness |
A80 | Connection 1 (X), in dash panel wiring harness |
F25 | Connection 1, in diesel direct injection system wiring harness |
F26 | Connection 2, in diesel direct injection system wiring harness |
* | Only manual gearbox |
** | Only engine code ATJ |
*** | Only engine code AJM |
**** | Only engine codes ATJ, AVB |
--- | From May 2000 |
E45 | Cruise control system switch, position 0 = OFF in detent, position 1 = OFF with button, position 2 = ON, position 3 = RES |
E227 | Cruise control system (CCS) SET button |
F | Brake light switch |
F36 | Clutch pedal switch |
F47 | Cruise control system brake pedal switch/diesel direct injection system |
J248 | Diesel direct injection system control unit, in protective housing for control units |
J397 | Radiator fan run-on relay |
S13 | Fuse 13 on fuse holder |
T10 | 10-pin connector, black, next to steering column |
T10k | 10-pin connector, grey, left A-pillar coupling station |
T15a | 15-pin connector, white, on protective housing for control units on left in engine compartment |
T121 | 121-pin connector, on diesel direct injection system control unit |
A15 | Positive connection (15), in instrument panel wiring harness |
A18 | Connection (54), in dash panel wiring harness |
A89 | Connection 2 (54), in dash panel wiring harness |
A130 | Connection (cruise control system), in dash panel wiring harness |
* | Only manual gearbox |
--- | Only models with cruise control system (CCS) |
G81 | Fuel temperature sender |
J248 | Diesel direct injection system control unit, in protective housing for control units |
J359 | Low heat output relay (373), in protective housing for control units |
J360 | High heat output relay (370), in protective housing for control units |
J445 | - Fuel cooling pump relay (214), in protective housing for control units |
Q7 | Coolant glow plugs |
S109 | Auxiliary heater fuse, in protective housing for control units |
S143 | Coolant glow plug fuse 2, in protective housing for control units |
S262 | Fuel cooling pump fuse, in protective housing for control units |
T10b | 10-pin connector, black, on protective housing for control units on left in engine compartment |
T10d | 10-pin connector, brown, on protective housing for control units on left in engine compartment (chamber 8 - air conditioning system connection) |
T15s | 15-pin connector, red, on protective housing for control units on left in engine compartment |
T121 | 121-pin connector, on diesel direct injection system control unit |
V166 | Fuel cooling pump |
501 | Screw connection 2 (30), on relay plate |
* | Only manual gearbox |
G | Fuel gauge sender |
G6 | Fuel pump |
G32 | Coolant shortage indicator sender |
G169 | Fuel gauge sender II * |
G237 | Fuel gauge sender III * |
J17 | Fuel pump relay |
S228 | Fuse 28 on fuse holder |
T3d | 3-pin connector, front left in engine compartment |
T4e | 4-pin connector |
T6c | 6-pin connector, blue, left A-pillar coupling station |
T10a | 10-pin connector, brown, left A-pillar coupling station |
T10b | 10-pin connector, black, on protective housing for control units on left in engine compartment |
75 | Earth point, rear right pillar |
197 | Earth connection 4, in rear wiring harness |
220 | Earth connection (sender earth), in engine wiring harness |
269 | Earth connection (sender earth) 1, in dash panel wiring harness |
A86 | Connection (50a), in dash panel wiring harness |
A100 | Connection 2 (87), in dash panel wiring harness |
* | Only models with all-wheel drive |
** | Only engine code AJM |
*** | Only engine codes ATJ, AVB |
F1 | Oil pressure switch |
F120 | Anti-theft alarm and vermin repellent system contact switch |
G22 | Speedometer sender, inductive sender on left in gearbox |
G266 | Oil level and oil temperature sender |
J285 | Control unit in dash panel insert |
J393 | Convenience system central control unit, in front left footwell |
K | Dash panel insert |
K31 | Cruise control system warning lamp |
K38 | Oil level warning lamp |
S5 | Fuse in relay plate fuse holder |
T10a | 10-pin connector, brown, left A-pillar coupling station |
T10b | 10-pin connector, black, on protective housing for control units on left in engine compartment |
T10d | 10-pin connector, brown, on protective housing for control units on left in engine compartment |
T32b | 32-pin connector, green |
44 | Earth point, lower part of left A-pillar |
86 | Earth connection 1, in rear wiring harness |
A74 | Connection (15a, fuse 5), in dash panel wiring harness |
W37 | Connection (ATA), in floor wiring harness |
G1 | Fuel gauge |
G3 | Coolant temperature gauge |
G5 | Rev. counter |
H11 | Oil pressure warning buzzer |
J285 | Display control unit, in dash panel insert |
K2 | Alternator warning lamp |
K3 | Oil pressure warning lamp |
K28 | Coolant temperature/coolant shortage warning lamp |
K29 | Glow period warning lamp |
L75 | Digital display illumination bulb |
T32a | 32-pin connector, blue, on dash panel insert |
T32b | 32-pin connector, green, on dash panel insert |
Y4 | Odometer display |