A | Battery |
B | Starter |
C | Alternator |
C1 | Voltage regulator |
J207 | Starter inhibitor relay, on 13 position additional relay carrier |
T3v | 3-pin connector, black, on right on engine block |
T9 | 9-pin connector, on starter inhibitor relay |
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 |
1 | Earth strap, battery body |
2 | Earth strap, gearbox - body |
500 | Screw connection 1 (30), on relay plate |
A17 | Connection (61), in dash panel wiring harness |
A52 | Positive connection 2 (30), in dash panel wiring harness |
J317 | Terminal 30 voltage supply relay (219), in protective housing for control units |
J397 | Radiator fan run-on relay |
Q6 | Glow plugs - engine |
S102 | Engine control unit fuse, in protective housing for control units |
S125 | Glow plug fuse 1 |
S189 | Glow plug fuse 2 |
T3a | 3-pin connector, white, 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 |
T10k | 10-pin connector, grey, on protective housing for control units on left in engine compartment |
504 | Screw connection 1 (87F), on relay plate |
A52 | Positive connection 2 (30), in dash panel wiring harness |
D10 | Positive connection (30), in front right wiring harness |
F28 | Connection 3, in diesel direct injection system wiring harness |
F31 | Connection 1 (engine glow plugs) in diesel direct injection system wiring harness |
F34 | Connection 2 (engine glow plugs) in diesel direct injection system wiring harness |
F8 | Kickdown switch |
F60 | Idling speed switch |
G79 | Accelerator position sender |
G8 | Oil temperature sender |
J52 | Glow plug relay |
J248 | Diesel direct injection system control unit, in protective housing for control units |
T6a | 6-pin connector, on injection pump |
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 |
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 |
A60 | Connection (speed signal), in dash panel wiring harness |
G28 | Engine speed sender |
G71 | Intake manifold pressure sender |
G72 | Intake manifold temperature sender |
G80 | Needle lift sender |
J248 | Diesel direct injection system control unit, in protective housing for control units |
J255 | Climatronic control unit |
T2 | 2-pin connector, brown, near needle lift sender |
T3 | 3-pin connector, black, 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 |
T16b | 16-pin connector, on Climatronic control unit |
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 |
A45 | Connection (RPM signal), in dash panel wiring harness |
G2 | Coolant temperature sender |
G62 | Coolant temperature sender |
J248 | Diesel direct injection system control unit, in protective housing for control units |
J399 | Injection pump control unit |
N144 | Left electrohydraulic engine mounting solenoid valve |
N145 | Right electrohydraulic engine mounting solenoid valve |
T9x | 9-pin connector, on injection pump control unit |
T10b | 10-pin connector, black, on protective housing for control units on left in engine compartment |
T121 | 121-pin connector, on diesel direct injection system control unit |
F25 | Connection 1, in diesel direct injection system wiring harness |
F26 | Connection 2, in diesel direct injection system wiring harness |
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 |
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 |
T10k | 10-pin connector, grey, right A-pillar coupling station |
T121 | 121-pin connector, on diesel direct injection system control unit |
A15 | Positive connection (15), in instrument panel wiring harness |
F25 | Connection 1, in diesel direct injection system wiring harness |
F35 | Connection 4, in diesel direct injection system wiring harness |
--- | Only models with cruise control system (CCS) |
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 |
F47 | Cruise control system brake pedal switch/diesel direct injection system |
J217 | Automatic gearbox control unit |
J234 | Airbag control unit |
J248 | Diesel direct injection system control unit, in protective housing for control units |
S13 | Fuse 13 on fuse holder |
T3s | 3-pin connector, red, on protective housing for control units on left in engine compartment |
T10 | 10-pin connector, black, next to steering column |
T15a | 15-pin connector, white, on protective housing for control units on left in engine compartment |
T88 | 88-pin connector |
T121 | 121-pin connector |
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 |
U10 | Connection (CCS), in automatic gearbox wiring harness |
--- | Only models with cruise control system (CCS) |
E15 | Heated rear window switch |
G210 | Low fuel level sender |
J248 | Diesel direct injection system control unit, in protective housing for control units |
J255 | Climatronic control unit |
S231 | Fuse 31 on fuse holder |
T6h | 6-pin connector, black, on heated rear window switch |
T6m | 6-pin connector, black, right A-pillar coupling station |
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 |
A70 | Connection (15a, fuse 231), in dash panel wiring harness |
A105 | Connection 2 (rpm boost), in dash panel wiring harness |
A121 | Connection (high bus), in dash panel wiring harness |
A122 | Connection (low bus), in dash panel wiring harness |
F36 | Connection (87a), in diesel direct injection system wiring harness |
* | Only models with all-wheel drive |
** | Only models which do not have all-wheel drive |
G | Fuel gauge sender |
G6 | Fuel system pressurisation pump (only all-wheel drive) |
G169 | Fuel gauge sender 2 (only all-wheel drive) |
G237 | Fuel gauge sender 3 (only all-wheel drive) |
J17 | Fuel pump relay, on 13 position additional relay carrier (only all-wheel drive), control number (214) |
S228 | Fuse 28 in fuse holder |
T3s | 3-pin connector, red, on protective housing for control units on 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 |
T10e | 10-pin connector, orange, 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 |
269 | Earth connection (sender earth) 1, in dash panel wiring harness |
316 | Earth connection (sender earth 2) in engine wiring harness |
A100 | Connection 2 (87) in dash panel wiring harness |
F1 | Oil pressure switch |
F120 | Anti-theft alarm and vermin repellent system contact switch |
G22 | Speedometer sender, inductive sender on left in gearbox |
G32 | Coolant shortage indicator sender |
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 |
K38 | Oil level warning lamp |
S5 | Fuse 5 in fuse holder |
T3d | 3-pin connector, brown, front left in engine compartment |
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 |
J285 | Display control unit, in dash panel insert |
J533 | Data bus diagnostic interface, in dash panel insert |
K2 | Alternator warning lamp |
K29 | Glow period warning lamp |
K31 | Cruise control system warning lamp |
T16 | 16-pin connector, near handbrake lever, self-diagnosis connection |
T32a | 32-pin connector, blue, on dash panel insert |
T32b | 32-pin connector, green, on dash panel insert |
A121 | Connection (high bus), in dash panel wiring harness |
A122 | Connection (low bus), in dash panel wiring harness |