A | Battery |
B | Starter |
C | Alternator |
C1 | Voltage regulator |
D | Ignition/starter switch |
F18 | Radiator fan thermo-switch |
S162 | Fuse -1- (30), in fuse box/battery |
S163 | Fuse -2- (30), in fuse box/battery |
S164 | Fuse -3- (30), in fuse box/battery |
S176 | Fuse -4- (30), in battery fuse box |
S179 | Fuse -7- (30), in battery fuse box |
T3c | 3-pin connector, black, on radiator fan |
T10d | 10-pin connector, red, connector point under relay carrier |
T10s | 10-pin connector, light green, connector point under relay carrier |
T14b | 14-pin connector, in engine compartment, left |
V7 | Radiator fan |
12 | Earth point, in engine compartment, left |
500 | Screw connection -1- (30), on relay plate |
502 | Screw connection -1- (30a), on relay plate |
A32 | Positive (+) connection (30), in dash panel wiring harness |
* | Only models without air conditioner |
F8 | Kick-down switch |
F60 | Idling switch |
G79 | Accelerator pedal position sender |
J17 | Fuel pump relay |
J248 | Diesel direct injection system control unit, in plenum chamber, centre |
J317 | Terminal 30 voltage supply relay, on relay carrier |
SB23 | Fuse -23- in fuse box |
SB37 | Fuse -37- in fuse box |
SB40 | Fuse -37- in fuse box |
T6c | 6-pin connector, on left under dash panel |
T10a | 10-pin connector, green, connector point under relay carrier |
T10e | 10-pin connector, pink, connector point under relay carrier |
T121 | 121-pin connector, on diesel direct injection system control unit |
A32 | Positive (+) connection (30), in dash panel wiring harness |
F36 | Connection (87a), in diesel direct injection system wiring harness |
F25 | Connection (1), in diesel direct injection wiring harness |
* | Not with all levels of equipment |
G2 | Coolant temperature 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 plenum chamber, centre |
J362 | Immobilizer control unit, behind dash panel, left |
T3g | 3-pin connector, on engine front |
T10 | 10-pin connector, white, connector point under relay carrier |
T10a | 10-pin connector, green, connector point under relay carrier |
T14b | 14-pin connector, in engine compartment, left |
T121 | 121-pin connector, on diesel direct injection system control unit |
10 | Earth point, in plenum chamber |
F27 | Connection (screening), in diesel direct injection system wiring harness |
* | For additional heater connections 1 and 4 changed |
G40 | Hall sender (for camshaft position) |
J248 | Diesel direct injection system control unit, in engine compartment, left |
N240 | Unit injector solenoid valve, No. 1 cyl. |
N241 | Unit injector solenoid valve, No. 2 cyl. |
N242 | Unit injector solenoid valve, No. 3 cyl. |
T3l | 3-pin connector, on engine front |
T8l | 8-pin connector, in engine compartment, left |
T121 | 121-pin connector, on diesel direct injection system control unit |
D101 | Connection -1-, in engine compartment wiring harness |
F26 | Connection -2-, in diesel direct injection system wiring harness |
G70 | Air mass meter |
J248 | Diesel direct injection system control unit, in engine compartment, left |
N18 | Exhaust gas recirculation valve |
N75 | Charge pressure control solenoid valve |
N239 | Intake manifold flap change-over valve |
T5 | 5-pin connector |
T10a | 10-pin connector, green, connector point under relay carrier |
T10c | 10-pin connector, blue, connector point under relay carrier |
T121 | 121-pin connector, on diesel direct injection system control unit |
F26 | Connection -2-, in diesel direct injection system wiring harness |
J248 | Diesel direct injection system control unit, in engine compartment, left |
J359 | Low heat output relay, on relay carrier |
J360 | High heat output relay, on relay carrier |
S276 | Heater element fuse -1- |
S277 | Heater element fuse -2- |
S278 | Heater element fuse -3- |
Q7 | Coolant heating elements |
T121 | 121-pin connector, on diesel direct injection system control unit |
A1 | Positive (+) connection (30a), in dash panel wiring harness |
D98 | Connection (glow plugs), in engine compartment wiring harness |
F26 | Connection -2-, in diesel direct injection system wiring harness |
G81 | Fuel temperature sender |
J104 | ABS/ABS with EDL control unit |
J248 | Diesel direct injection system control unit, in plenum chamber, centre |
J293 | Radiator fan control unit |
N79 | Heater element (crankcase breather) |
SB30 | Fuse -30- in relay plate fuse box |
T10 | 10-pin connector, white, connector point under relay carrier |
T10g | 10-pin connector, brown, connector point under relay carrier |
T10s | 10-pin connector, light green, connector point under relay carrier |
T121 | 121-pin connector, on diesel direct injection system control unit |
12 | Earth point, in engine compartment, left |
119 | Earth connection -1-, in headlight wiring harness |
D159 | Connection (high bus), in engine compartment wiring harness |
D160 | Connection (low bus), in engine compartment wiring harness |
L2 | Connection, in air conditioner wiring harness |
* | Only models with manual control air conditioner |
** | Only models with Climatronic |
F | Brake light switch |
F36 | Clutch pedal switch |
F47 | Brake pedal switch for diesel direct inj. system |
J234 | Airbag control unit |
J248 | Diesel direct injection system control unit, in engine compartment, left |
J491 | Fuel shut-off control unit (Crash) |
SB15 | Fuse -15- in fuse box |
SB24 | Fuse -24- in fuse box |
SB32 | Fuse -32- in fuse box |
T10 | 10-pin connector, white, connector point under relay carrier |
T10b | 10-pin connector, black, connector point under relay carrier |
T10d | 10-pin connector, red, connector point under relay carrier |
T10g | 10-pin connector, brown, connector point under relay carrier |
T10x | 10-pin connector, yellow, connector point under relay carrier |
T121 | 121-pin connector, on diesel direct injection system control unit |
76 | Earth point, near selector mechanism |
A27 | Connection (speed signal), in dash panel wiring harness |
A89 | Connection -2- (54), in dash panel wiring harness |
B102 | Earth connection, in front left interior wiring harness |
E43 | Connection (87), in injection system wiring harness |
D | Ignition/starter switch |
F1 | Oil pressure switch |
G22 | Speedometer sender (Hall sender, on gearbox) |
J52 | Glow plug relay, on relay carrier |
Q6 | Glow plugs - (engine) |
SB28 | Fuse -28- in fuse box |
T10b | 10-pin connector, black, connector point under relay carrier |
T10d | 10-pin connector, red, connector point under relay carrier |
T10g | 10-pin connector, brown, connector point under relay carrier |
T14b | 14-pin connector, in engine compartment, left |
A15 | Positive (+) connection (15), in instruments wiring harness |
B149 | Positive (+) connection -2- (15a), in interior wiring harness |
G | Fuel gauge sender |
G6 | Fuel pump (pre-supply pump) |
G32 | Coolant shortage indicator sender |
H3 | Warning buzzer |
J285 | Control unit with display in dash panel insert |
K3 | Oil pressure warning lamp |
K28 | Coolant temperature/coolant shortage warning lamp |
T10b | 10-pin connector, black, connector point under relay carrier |
T10d | 10-pin connector, red, connector point under relay carrier |
T10e | 10-pin connector, pink, connector point under relay carrier |
T32 | 32-pin connector, blue, on dash panel insert |
12 | Earth point, in engine compartment, left |
51 | Earth point, in engine compartment, left |
120 | Earth connection -2-, in headlight wiring harness |
* | Not with all levels of equipment |
G1 | Fuel gauge |
G3 | Coolant temperature gauge |
G5 | Rev. counter |
G21 | Speedometer |
J285 | Control unit with display in dash panel insert |
J533 | Data bus diagnostic interface, in dash panel insert |
K2 | Alternator warning lamp |
K29 | Glow period warning lamp |
K105 | Reserve fuel warning lamp |
T16 | 16-pin connector, self-diagnosis connection |
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 |
A76 | Connection (diagnosis wire K), in dash panel wiring harness |
A121 | Connection (high bus), in dash panel wiring harness |
A122 | Connection (low bus), in dash panel wiring harness |
* | Engine speed signal from engine control unit |