A | Battery |
B | Starter |
C | Alternator |
C1 | Voltage regulator |
D | Ignition/starter switch |
J59 | X-contact relief relay |
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 |
S177 | Fuse 5 (30) in fuse holder on battery |
S229 | Fuse on fuse holder |
T2k | 2-pin connector, on engine |
T4l | 4-pin connector, on engine |
T6l | 6-pin connector, brown, in connector protective housing, on left in plenum chamber |
500 | Screw connection 1 (30), on relay plate |
501 | Screw connection 2 (30), on relay plate |
502 | Screw connection 1 (30a), on relay plate |
A2 | Positive connection (15), in dash panel wiring harness |
A32 | Positive connection (30), in dash panel wiring harness |
* | only models with air conditioning system |
** | only models with auxiliary heater |
F8 | Kick-down switch |
F60 | Idling speed switch |
G79 | Accelerator position sender |
J52 | Glow plug relay |
J248 | Diesel direct injection system control unit |
J317 | Terminal 30 voltage supply relay |
Q6 | Engine glow plug |
T2j | 2-pin connector, in engine compartment |
T6l | 6-pin connector, brown, in connector protective housing, on left in plenum chamber |
T6m | 6-pin connector, on accelerator |
T10 | 10-pin connector, orange, in connector protective housing, on left in plenum chamber |
T10h | 10-pin connector, blue, in connector protective housing, on left in plenum chamber |
T121 | 121-pin connector |
504 | Screw connection 1 (87F), on relay plate |
A104 | Positive connection 2 (15), in dash panel wiring harness |
* | Wire W for self-diagnosis |
G2 | Coolant temperature display sender |
G28 | Engine speed sender |
G62 | Coolant temperature display sender |
G71 | Intake manifold pressure sender |
G72 | Intake manifold temperature sender |
J248 | Diesel direct injection system control unit |
J293 | Radiator fan control unit |
T3d | 3-pin connector, near intake manifold |
T6na | 6-pin connector |
T10d | 10-pin connector, green, in connector protective housing, on left in plenum chamber |
T14a | 14-pin connector, in left wiring harness |
T121 | 121-pin connector |
200 | Earth connection (screening), in engine compartment wiring harness |
E35 | Air conditioning system switch |
G40 | Hall sender |
G81 | Fuel temperature sender |
J248 | Diesel direct injection system control unit |
J255 | Climatronic control unit |
J293 | Radiator fan control unit |
N240 | Unit injector valve, No. 1 cyl. |
N241 | Unit injector valve, No. 2 cyl. |
N242 | Unit injector valve, No. 3 cyl. |
N243 | Unit injector valve, No. 4 cyl. |
T8l | 8-pin connector |
T8x | 8-pin connector, near injection pump |
T10 | 10-pin connector, orange, in connector protective housing, on left in plenum chamber |
T10d | 10-pin connector, green, in connector protective housing, on left in plenum chamber |
T12e | 12-pin connector |
T14 | 14-pin connector |
T16b | 16-pin connector |
T121 | 121-pin connector |
* | only models with multifunction display |
G70 | Air mass meter |
J104 | ABS control unit with EDL |
J248 | Diesel direct injection system control unit |
N18 | Exhaust gas recirculation valve |
N75 | Charge pressure control solenoid valve |
N239 | Variable intake manifold flap change-over valve |
S10 | Fuse in relay plate fuse holder |
S237 | Fuse on fuse holder |
T10d | 10-pin connector, green, in connector protective housing, on left in plenum chamber |
T10y | 10-pin connector, on front of engine |
T14a | 14-pin connector, in left wiring harness |
T25 | 25-pin connector |
T47 | 47-pin connector |
T121 | 121-pin connector |
A80 | Connection 1 (X), in dash panel wiring harness |
D102 | Connection 2, in engine compartment wiring harness |
* | only models with auxiliary heater |
** | only models up to October 2001 |
*** | only models from November 2001 |
E45 | Cruise control system switch (00671) |
E227 | Cruise control system (CCS) SET button |
F | Brake light switch (00526-2131) |
F36 | Clutch pedal switch (00650) |
F47 | Cruise control system brake pedal switch/diesel direct injection system (00629) |
J248 | Diesel direct injection system control unit |
S13 | Fuse in relay plate fuse holder |
T10d | 10-pin connector, green, in connector protective housing, on left in plenum chamber |
T10e | 10-pin connector, black, in connector protective housing, on left in plenum chamber |
T10s | 10-pin connector, right next to steering column |
T121 | 121-pin connector |
A98 | Positive connection 4 (30), in dash panel wiring harness |
W1 | Positive connection 1 (54), in rear wiring harness |
J248 | Diesel direct injection system control unit |
J359 | Low heat output relay (01193) |
J360 | High heat output relay (01194) |
N51 | Intake manifold preheating heater element |
Q7 | Coolant heating element |
T6l | 6-pin connector, brown, in connector protective housing, on left in plenum chamber |
T10 | 10-pin connector, orange, in connector protective housing, on left in plenum chamber |
T10e | 10-pin connector, black, in connector protective housing, on left in plenum chamber |
T10y | 10-pin connector, on front of engine |
T121 | 121-pin connector |
10 | Earth point, in plenum chamber |
131 | Earth connection 2, in engine compartment wiring harness |
A27 | Connection (speed signal), in dash panel wiring harness |
D50 | Positive connection (30), in engine compartment wiring harness |
D74 | Connection (86), in engine compartment wiring harness |
D98 | Connection (glow plugs), in engine compartment wiring harness |
D111 | Connection 9, in engine compartment wiring harness |
* | only models with auxiliary heater |
** | for models with additional glow plug only |
G | Fuel gauge sender |
G6 | Fuel system pressurisation pump |
G32 | Coolant shortage indicator sender |
G169 | Fuel gauge sender 2 |
J17 | Fuel pump relay |
S5 | Fuse in relay plate fuse holder |
T6l | 6-pin connector, brown, in connector protective housing, on left in plenum chamber |
T10d | 10-pin connector, green, in connector protective housing, on left in plenum chamber |
T14a | 14-pin connector, in left wiring harness |
81 | Earth connection 1, in dash panel wiring harness |
269 | Earth connection (sender earth) 1, in dash panel wiring harness |
A20 | Connection (15a), in dash panel wiring harness |
A71 | Connection (86), in dash panel wiring harness |
A100 | Connection 2 (87), in dash panel wiring harness |
B168 | Connection (86), in interior wiring harness |
B429 | Connection (EFPR), in main wiring harness |
* | only for 2V |
D | Ignition/starter switch |
F1 | Oil pressure switch |
G22 | Speedometer |
G266 | Oil level and oil temperature sender |
J285 | Control unit with display in dash panel insert |
K3 | Oil pressure warning lamp |
K83 | Exhaust emissions warning lamp |
S7 | Fuse in relay plate fuse holder |
T14a | 14-pin connector, in left wiring harness |
T32 | 32-pin connector, blue, on dash panel insert |
T32a | 32-pin connector, green, on dash panel insert |
10 | Earth point, in plenum chamber |
85 | Earth connection 1, in engine compartment wiring harness |
A20 | Connection (15a), in dash panel wiring harness |
B163 | Positive connection 1 (15), in interior wiring harness |
* | only models with extended servicing intervals |
G1 | Fuel gauge (00664) |
G3 | Coolant temperature gauge |
G21 | Speedometer (00663) |
H11 | Oil pressure warning buzzer |
J285 | Control unit with display in dash panel insert (01317) |
K2 | Alternator warning lamp |
K28 | Coolant temperature and coolant shortage warning lamp |
K105 | Reserve fuel warning lamp (01082) |
T32 | 32-pin connector, blue, on dash panel insert |
T32a | 32-pin connector, green, on dash panel insert |
* | Wire W for self-diagnosis |
E86 | Multifunction display call-up button |
E109 | Multifunction display memory switch |
G5 | Rev. counter (00662) |
J119 | Multifunction display |
J255 | Climatronic control unit (01320) |
J285 | Control unit with display in dash panel insert (01317) |
K29 | Glow period warning lamp (00626) |
T6d | 6-pin connector |
T12d | 12-pin connector, on Climatronic |
T16b | 16-pin connector |
T32 | 32-pin connector, blue, on dash panel insert |
T32a | 32-pin connector, green, on dash panel insert |
A27 | Connection (speed signal), in dash panel wiring harness |
* | only models with multifunction display |