A | Battery |
B | Starter |
C | Alternator |
C1 | Voltage regulator |
D | Ignition/starter switch |
J207 | Starter inhibitor relay |
T2b | 2-pin connector, black, on right on engine block |
T3a | 3-pin connector, white, on protective housing for control units on left in engine compartment |
T9 | 9-pin connector, black |
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 |
500 | Screw connection 1 (30), on relay plat |
A17 | Connection (61), in dash panel wiring harness |
A52 | Positive connection 2 (30), in dash panel wiring harness |
A98 | Positive connection 4 (30), in dash panel wiring harness |
D10 | Positive connection (30) in front right wiring harness |
D97 | Connection (50), in engine compartment right wiring harness |
* | Only models with manual gearbox |
--- | Only models with automatic gearbox |
J17 | Fuel pump relay |
J179 | Automatic glow period control unit, below expansion tank |
J248 | Diesel direct injection system control unit |
J317 | Terminal 30 voltage supply relay |
S116 | Injector fuse |
S125 | Glow plug fuse |
T3s | 3-pin connector |
T10e | 10-pin connector, orange, on protective housing for control units on left in engine compartment |
T94 | 94-pin connector |
Q10 | Glow plug 1 |
Q11 | Glow plug 2 |
Q12 | Glow plug 3 |
Q13 | Glow plug 4 |
28 | Earth point, on bulkhead |
156 | Earth connection, in diesel direct injection wiring harness |
501 | Screw connection 2 (30), on relay plat |
A100 | Connection 2 (87) in dash panel wiring harness |
D10 | Positive connection (30) in front right wiring harness |
D97 | Connection (50), in engine compartment right wiring harness |
F25 | Connection 1, in diesel direct injection system wiring harness |
F28 | Connection 3, in diesel direct injection system wiring harness |
G40 | Hall sender |
G504 | Fuel additive tank sender |
J248 | Diesel direct injection system control unit |
N75 | Charge pressure control solenoid valve |
N79 | Heater element for crankcase breather |
T6o | 6-pin connector, brown |
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 |
T94 | 94-pin connector |
V135 | Particulate filter additive pump |
V157 | Intake manifold flap motor |
156 | Earth connection, in diesel direct injection wiring harness |
A15 | Positive connection (15), in instrument panel wiring harness |
F25 | Connection 1, in diesel direct injection system wiring harness |
* | not with all levels of equipment |
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 |
J248 | Diesel direct injection system control unit |
J397 | Radiator fan run-on relay |
S13 | Fuse in relay plate fuse holder |
T10 | 10-pin connector, black |
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 |
T15k | 15-pin connector, grey |
T94 | 94-pin connector |
A15 | Positive connection (15), in instrument wiring harness |
A18 | Connection (54), in dash panel wiring harness |
A89 | Connection 2 (54) in dash panel wiring harness |
A130 | Connection (CCS), in dash panel wiring harness |
* | Only models with manual gearbox |
--- | Only models with CCS |
F8 | Kickdown switch |
F60 | Idling speed switch |
G28 | Engine speed sender |
G70 | Air mass meter |
G79 | Accelerator position sender |
J248 | Diesel direct injection system control unit |
S231 | Fuse in fuse holder |
T3 | 3-pin connector, near engine speed sender |
T6r | 6-pin connector, black |
T10d | 10-pin connector, brown, 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 |
T60 | 60-pin connector |
T94 | 94-pin connector |
A70 | Connection (15a, fuse 231), in dash panel wiring harness |
D52 | Positive connection (15a), in engine compartment wiring harness |
F26 | Connection 2, in diesel direct injection system wiring harness |
F27 | Connection (screening), in diesel direct injection wiring harness |
* | Only models with manual gearbox |
D | Ignition/starter switch |
E15 | Heated rear window switch |
G2 | Coolant temperature display sender |
G62 | Coolant temperature sender |
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 |
N243 | Unit injector valve, No. 4 cylinder |
T8x | 8-pin connector, near injection pump |
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 |
T15s | 15-pin connector, red, on protective housing for control units on left in engine compartment |
T60 | 60-pin connector |
T94 | 94-pin connector |
A2 | Positive connection (15), in dash panel wiring harness |
A64 | Connection (30, speed boost), in dash panel wiring harness |
D95 | Connection (injectors), in engine compartment wiring harness |
E48 | Connection (injectors), in injection system wiring harness |
F268 | Auxiliary heating heater element contact switch |
G31 | Charge air pressure sender |
G42 | Intake air temperature sender |
G81 | Fuel temperature sender |
J248 | Diesel direct injection system control unit |
J255 | Climatronic control unit |
J314 | Air conditioning system cut-off control unit |
J359 | Low heat output relay |
J360 | High heat output relay |
N18 | Exhaust gas recirculation valve |
G212 | Exhaust gas recirculation potentiometer |
T15s | 15-pin connector, red, on protective housing for control units on left in engine compartment |
T60 | 60-pin connector |
T94 | 94-pin connector |
* | Only models with auxiliary heater |
** | Only models with air conditioning system |
G39 | Lambda probe |
G450 | Exhaust gas pressure sensor 1 |
G506 | Temperature sender before particulate filter |
G235 | Temperature sender before turbocharger |
J248 | Diesel direct injection system control unit |
S73 | Lambda probe heating thermal fuse |
T2dp | 2-pin connector, left bulkhead |
T2dt | 2-pin connector, left bulkhead |
T3dp | 3-pin connector, left bulkhead |
T94 | 94-pin connector |
Z19 | Lambda probe heater |
G22 | Speedometer sender, on gearbox |
G266 | Oil level and oil temperature sender |
J248 | Diesel direct injection system control unit |
J285 | Control unit in dash panel insert |
K31 | Cruise control system warning lamp |
K38 | Oil level warning lamp |
S5 | Fuse in relay plate fuse holder |
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 |
T16 | 16-pin connector, self-diagnosis connection |
T32a | 32-pin connector, blue, on dash panel insert |
T32b | 32-pin connector, green, on dash panel insert |
T94 | 94-pin connector |
A60 | Connection (speed signal), in dash panel wiring harness |
A74 | Connection (15a, fuse 5), 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 |
G1 | Fuel gauge |
G3 | Coolant temperature gauge |
G5 | Rev. counter |
H11 | Oil pressure warning buzzer |
J285 | Control unit in dash panel insert |
J533 | Data bus diagnostic interface |
K2 | Alternator warning lamp |
K3 | Oil pressure warning lamp |
K28 | Coolant temperature and coolant shortage warning lamp |
K29 | Glow period warning lamp |
K231 | Diesel particulate filter 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 |
A121 | Connection (high bus), in dash panel wiring harness |
A122 | Connection (low bus), in dash panel wiring harness |
F1 | Oil pressure switch |
F120 | Anti-theft alarm system contact switch |
G | Fuel gauge sender |
G6 | Fuel system pressurisation pump |
G32 | Coolant shortage indicator sender |
J393 | Convenience system central control unit |
S228 | Fuse in fuse holder |
T3d | 3-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 |
T15k | 15-pin connector, grey |
44 | Earth point, lower part of left A-pillar |
78 | Earth point, lower part of right B-pillar |
86 | Earth connection 1, in rear wiring harness |
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 |
A91 | Connection (signal for dash panel insert), in dash panel wiring harness |