A | Battery |
B | Starter |
C | Alternator |
C1 | Voltage regulator |
D | Ignition/starter switch |
F18 | Radiator fan thermal switch |
J323 | Blower relay |
K2 | Alternator warning lamp |
S131 | Fuse in fuse holder on the battery |
S132 | Fuse in fuse holder on the battery |
S138 | Fuse in fuse holder on the battery |
S164 | Fuse in fuse holder on the battery |
T1a | 1-pin connector, at starter |
T2f | 2-pin connector, at alternator |
T2g | 2-pin connector, in the holder on the starter |
T3f | 3-pin connector, on the fuse holder on the battery |
T3g | 3-pin connector, at radiator fan thermal switch |
T3h | 3-pin connector, in the holder on the left radiator |
T6a | 6-pin connector, in plenum chamber (brown) |
T8c | 8-pin connector, at ignition/starter switch |
T10t | 10-pin connector, in plenum chamber (white) |
V7 | Radiator fan |
12a | Earth point -2-, below the battery on the left |
D50 | Positive connection (30), in front left wiring harness |
L5 | Connection -1-, in front left wiring harness |
P1 | Positive connection (30), in fuse holder on the battery |
* | only on vehicles with optional equipment |
** | not valid for vehicles with air conditioning system or Climatronic |
J52 | Glow plug relay |
J234 | Airbag control unit |
J248 | Diesel direct injection system control unit |
J293 | Radiator fan control unit |
J359 | Low heat output relay |
J360 | High heat output relay |
Q6 | Glow plugs |
Q7 | Coolant glow plugs |
T2e | 2-pin connector, in left wiring duct (black) |
T6a | 6-pin connector, in plenum chamber (brown) |
T10t | 10-pin connector, in plenum chamber (white) |
T14a | 14-pin connector, at radiator fan control unit |
T75a | 75-pin connector, at airbag control unit |
T81a | 81-pin connector, at engine control unit |
D78 | Positive connection (30a), in engine compartment wiring harness |
D107 | Connection (earth), in engine compartment wiring harness |
F32 | Connection, in engine compartment wiring harness |
* | only on vehicles with optional equipment |
** | not valid for vehicles with air conditioning system or Climatronic |
*** | only on vehicles with air conditioning system or Climatronic |
**** | only on vehicles with disabling front passenger airbag |
G71 | Intake manifold pressure sender |
G72 | Intake manifold temperature sender |
J248 | Diesel direct injection system control unit |
N18 | Exhaust gas recirculation valve |
N75 | Charge pressure control solenoid valve |
N79 | Heating resistor for crankcase ventilation |
N213 | Exhaust gas recirculation valve -2- |
T2b | 2-pin connector, at exhaust gas recirculation valve 2 |
T2f | 2-pin connector, at exhaust gas recirculation valve |
T2g | 2-pin connector, at charge pressure control solenoid valve |
T2j | 2-pin connector, at heating resistor for crankcase ventilation |
T4m | 4-pin connector, at intake manifold pressure sender and intake manifold temperature sender |
T10a | 10-pin connector, in plenum chamber (orange) |
T10b | 10-pin connector, in engine compartment, left |
T81a | 81-pin connector, at engine control unit |
10 | Earth point, in plenum chamber |
156 | Earth connection, in engine compartment wiring harness |
D102 | Positive connection (87a), in engine compartment wiring harness |
* | only on vehicles with optional equipment |
F8 | Kick-down switch |
F60 | Idling switch |
G28 | Engine speed sender |
G40 | Hall sender |
G70 | Air mass meter |
G79 | Accelerator pedal position sender |
J248 | Diesel direct injection system control unit |
J322 | Diesel direct injection system relay |
T3i | 3-pin connector, at Hall sender |
T3l | 3-pin connector, at engine speed sender |
T5r | 5-pin connector, at air mass meter |
T6l | 6-pin connector, at accelerator pedal position sender |
T10j | 10-pin connector, in plenum chamber (blue) |
T40a | 40-pin connector, at engine control unit |
T81a | 81-pin connector, at engine control unit |
A40 | Positive connection (30), in wiring harness behind dash panel, left |
D102 | Positive connection (87a), in engine compartment wiring harness |
F27 | Connection, in engine prewiring wiring harness |
G81 | Fuel temperature sender |
J104 | Control unit for ABS with EDL/ESP |
J248 | Diesel direct injection system control unit |
N240 | Unit injector valve, cylinder 1 |
N241 | Unit injector valve, cylinder 2 |
N242 | Unit injector valve, cylinder 3 |
N243 | Unit injector valve, cylinder 4 |
T2f | 2-pin connector, at fuel temperature sender |
T2g | 2-pin connector, at unit injector valve, cylinder 1 |
T2h | 2-pin connector, at unit injector valve, cylinder 2 |
T2j | 2-pin connector, at unit injector valve, cylinder 3 |
T2k | 2-pin connector, at unit injector valve, cylinder 4 |
T8o | 8-pin connector, at cylinder head |
T10t | 10-pin connector, in plenum chamber (white) |
T40a | 40-pin connector, at engine control unit |
T81a | 81-pin connector, at engine control unit |
A121 | Connection (H bus), in wiring harness behind dash panel, left |
A122 | Connection (L bus), in wiring harness behind dash panel, left |
F26 | Connection (earth), in cylinder head wiring harness |
* | only for vehicles with ABS/ABS with EDL and TCS/ESP |
F | Brake light switch |
F36 | Clutch pedal switch |
F47 | Brake pedal switch |
J248 | Diesel direct injection system control unit |
J255 | Climatronic control unit |
J293 | Radiator fan control unit |
S13 | Fuse in fuse holder |
T4n | 4-pin connector, at brake pedal switch |
T4w | 4-pin connector, at clutch pedal switch |
T10a | 10-pin connector, in plenum chamber (orange) |
T10k | 10-pin connector, in plenum chamber (black) |
T10t | 10-pin connector, in plenum chamber (white) |
T14a | 14-pin connector, at radiator fan control unit |
T40a | 40-pin connector, at engine control unit |
T81a | 81-pin connector, at engine control unit |
A18 | Connection (54), in wiring harness behind dash panel, left |
A101 | Connection (87), in wiring harness behind dash panel, left |
L10 | Positive connection, in wiring harness behind dash panel, left |
* | only on vehicles with air conditioning system |
** | only on vehicles with Climatronic |
E45 | Cruise control system switch |
E227 | Cruise control system (CCS) button (Set) |
G266 | Oil level/oil temperature sender |
J248 | Diesel direct injection system control unit |
T3r | 3-pin connector, at oil level/oil temperature sender |
T4y | 4-pin connector, at intake manifold flap motor |
T10k | 10-pin connector, in plenum chamber (black) |
T10v | 10-pin connector, at CCS switch |
T14b | 14-pin connector, on front left in engine compartment (black) |
T81a | 81-pin connector, at engine control unit |
V157 | Intake manifold flap motor |
156 | Earth connection, in engine compartment wiring harness |
A20 | Positive connection (15a), in wiring harness behind dash panel |
D102 | Positive connection (87a), in engine compartment wiring harness |
Z40 | Positive connection (15, CCS), in wiring harness behind dash panel, left |
| only on vehicles with CCS |
G22 | Speedometer sender |
T3j | 3-pin connector, at speedometer sender |
T6a | 6-pin connector, in plenum chamber (brown) |
T14b | 14-pin connector, on front left in engine compartment (black) |
10 | Earth point, in plenum chamber |
250 | Earth connection, in engine prewiring wiring harness |
A2 | Positive connection (15), in wiring harness behind dash panel |
A33 | Connection (75), in wiring harness behind dash panel, left |
A38 | Positive connection (15a), in wiring harness behind dash panel, left |
A40 | Positive connection (30), in wiring harness behind dash panel, left |
A99 | Connection (87), in wiring harness behind dash panel |
A100 | Connection (87), in wiring harness behind dash panel, left |
A101 | Connection (87), in wiring harness behind dash panel, left |
B146 | Positive connection (87), in wiring harness behind dash panel, left |
B149 | Positive connection (15a), in wiring harness behind dash panel |
D102 | Positive connection (87a), in engine compartment wiring harness |
D103 | Positive connection (87a), in engine compartment wiring harness |
* | only on vehicles with optional equipment |
F1 | Oil pressure switch |
G2 | Coolant temperature gauge sender |
G5 | Rev. Counter |
G62 | Coolant temperature sender |
J218 | Combi-processor in dash panel insert |
K | Dash panel insert |
K3 | Oil pressure warning lamp |
K38 | Oil level warning lamp |
T4i | 4-pin connector, at coolant temperature sender |
T14b | 14-pin connector, on front left in engine compartment (black) |
T32a | 32-pin connector, at dash panel insert (blue) |
T32b | 32-pin connector, at dash panel insert (green) |
A27 | Connection (speed signal), in wiring harness behind dash panel, left |
G | Fuel gauge sender |
G1 | Fuel gauge |
G6 | Fuel pump |
J17 | Fuel pump relay |
J218 | Combi-processor in dash panel insert |
K | Dash panel insert |
K16 | Reserve fuel warning lamp |
T4a | 4-pin connector, on the fuel pump |
T14b | 14-pin connector, on front left in engine compartment (black) |
T32a | 32-pin connector, at dash panel insert (blue) |
81 | Earth connection, in wiring harness behind dash panel |
110 | Earth connection, in wiring harness behind dash panel |