A | Battery |
B | Starter |
C | Alternator |
C1 | Voltage regulator |
J293 | Radiator fan control unit |
SA11 | Fuse 1 on fuse holder engine compartment |
SA13 | Fuse 3 on fuse holder engine compartment |
SA15 | Fuse 5 on fuse holder engine compartment |
SA17 | Fuse 7 on fuse holder engine compartment |
T3b | 3-pin connector, on radiator fan |
T4g | 4-pin connector, black, on fuse holder |
T4k | 4-pin connector, black, on radiator fan control unit |
T5 | 5-pin connector, near starter |
T6s | 6-pin connector, black, on radiator fan control unit |
T10a | 10-pin connector, green, coupling station under relay carrier |
T10d | 10-pin connector, red, coupling station under relay carrier |
V7 | Radiator fan |
1 | Earth strap, battery - body |
3 | Earth strap, engine - body |
12 | Earth point, on left in engine compartment |
167 | Earth connection 4, in engine compartment wiring harness |
C55 | Positive connection (30a), in front left wiring harness |
* | To May 2002 |
** | From May 2002 |
D | Ignition/starter switch |
G28 | Engine speed sender |
J220 | Motronic control unit |
N70 | Ignition coil 1 with output stage |
N127 | Ignition coil 2 with output stage |
N291 | Ignition coil 3 with output stage |
P | Spark plug connector |
Q | Spark plug |
S51 | Fuse 51, near relay carrier |
S115 | Ignition coil terminal 15 fuse, under relay carrier |
SB36 | Fuse 36 on fuse holder |
T3e | 3-pin connector |
T4b | 4-pin connector, black |
T4l | 4-pin connector, black |
T4m | 4-pin connector, black |
T6o | 6-pin connector, coupling station under relay carrier |
T10a | 10-pin connector, green, coupling station under relay carrier |
T14d | 14-pin connector, left on engine |
T121 | 121-pin connector |
8 | Earth strap, cylinder head cover - ignition coil |
12 | Earth point, on left in engine compartment |
93 | Earth connection, engine earth, in fully electronic ignition system wiring harness |
A2 | Positive connection (15), in dash panel wiring harness |
A15 | Connection (15), in dash panel wiring harness |
D52 | Positive connection (15a), in engine compartment wiring harness |
E14 | Connection 1, in Motronic wiring harness |
F | Brake light switch |
F47 | Cruise control system brake pedal switch/diesel direct injection system |
G79 | Accelerator position sender |
G185 | Accelerator position sender 2 |
G186 | Throttle valve drive (electric power control) |
G187 | Throttle valve drive angle sender 1 (electric power control) |
G188 | Throttle valve drive angle sender 2 (electric power control) |
J220 | Motronic control unit |
J338 | Throttle valve module |
N292 | Ignition coil 4 with output stage |
P | Spark plug connector |
Q | Spark plug |
SB15 | Fuse 15 on fuse holder |
SB24 | Fuse 24 on fuse holder |
T4p | 4-pin connector, black |
T6a | 6-pin connector, black |
T6b | 6-pin connector, on pedal value sender |
T10 | 10-pin connector, white, coupling station under relay carrier |
T10s | 10-pin connector, grey, coupling station under relay carrier |
T14 | 14-pin connector, left on engine |
T14a | 14-pin connector, left on engine |
T14d | 14-pin connector, left on engine |
T121 | 121-pin connector |
8 | Earth strap, cylinder head cover - ignition coil |
93 | Earth connection, engine earth, in fully electronic ignition system wiring harness |
A89 | Connection 2 (54), in dash panel wiring harness |
D52 | Positive connection (15a), in engine compartment wiring harness |
D136 | Positive connection 2 (15a), in engine compartment wiring harness |
G2 | Coolant temperature sender |
G40 | Hall sender I |
G62 | Coolant temperature sender |
J104 | ABS control unit with EDL |
J220 | Motronic control unit |
N30 | Injector, cylinder 1 |
N31 | Injector, cylinder 2 |
N32 | Injector, cylinder 3 |
N33 | Injector, cylinder 4 |
T3 | 3-pin connector, on left of cylinder head |
T8m | 8-pin connector, on left of cylinder head |
T10s | 10-pin connector, grey, coupling station under relay carrier |
T14d | 14-pin connector, left on engine |
T47 | 47-pin connector, on ABS control unit with EDL |
T121 | 121-pin connector, on Motronic control unit |
220 | Earth connection (sender earth), in engine wiring harness |
D95 | Connection (injectors), in engine compartment wiring harness |
D137 | Connection 2 (injectors), in engine compartment wiring harness |
D159 | Connection (high bus), in engine compartment wiring harness |
D160 | Connection (low bus), in engine compartment wiring harness |
G39 | Lambda probe before catalytic converter |
G65 | High-pressure sender |
G212 | Potentiometer for exhaust gas recirculation |
J220 | Motronic control unit |
J255 | Climatronic control unit |
J362 | Immobiliser control unit |
J271 | Motronic current supply relay |
N18 | Exhaust gas recirculation valve |
N80 | Activated charcoal filter system solenoid valve 1 |
S131 | Fuse 1, below relay carrier |
T3c | 6-pin connector |
T6d | 6-pin connector |
T6e | 6-pin connector, in engine compartment |
T6o | 6-pin connector, coupling station under relay carrier |
T10d | 10-pin connector, red, coupling station under relay carrier |
T10u | 10-pin connector, pink, coupling station under relay carrier |
T14 | 14-pin connector, left on engine |
T14a | 14-pin connector, black, on left on cylinder head |
T16b | 16-pin connector |
T121 | 121-pin connector |
281 | Earth connection 1, in engine wiring harness |
E30 | Connection (87a), in engine wiring harness |
E32 | Connection (87), in Motronic wiring harness |
D141 | Connection (5V), in engine wiring harness |
L2 | Connection in air conditioning system wiring harness |
P1 | Positive connection (30), in battery fuse holder |
* | Only models with Climatronic |
G71 | Intake manifold pressure sender |
G295 | NOx sender |
J220 | Motronic control unit |
J583 | NOx sensor control unit |
T6o | 6-pin connector, coupling station under relay carrier |
T10 | 10-pin connector, black, in engine compartment |
T10m | 10-pin connector, brown, coupling station under relay carrier |
T10y | 10-pin connector, on NOx sensor control unit |
T14 | 14-pin connector, brown, coupling station under relay carrier |
T14x | 14-pin connector, black, next to NOx sensor control unit |
T121 | 121-pin connector, on Motronic control unit |
10 | Earth point, in plenum chamber |
D169 | Connection (NOx), in engine compartment wiring harness |
D170 | Connection (NOx+), in engine compartment wiring harness |
D171 | Connection (NOx-), in engine compartment wiring harness |
E43 | Connection (87), in injection system wiring harness |
* | Wire is composed of 12 single wires |
** | Wire is composed of 6 single wires |
G70 | Air mass meter |
G83 | Radiator outlet coolant temperature sender |
G235 | Exhaust gas temperature sender 1 |
G267 | Potentiometer, temperature selection rotary knob |
G294 | Brake servo pressure sensor |
J220 | Motronic control unit |
N276 | Fuel pressure regulating valve |
T6o | 6-pin connector, coupling station under relay carrier |
T8 | 8-pin connector |
T10d | 10-pin connector, red, coupling station under relay carrier |
T10u | 10-pin connector, pink, coupling station under relay carrier |
T14a | 14-pin connector, black, on left on cylinder head |
T121 | 121-pin connector, Motronic control unit |
D169 | Connection (NOx), in engine compartment wiring harness |
D170 | Connection (NOx+), in engine compartment wiring harness |
E32 | Connection (87), in Motronic wiring harness |
* | Not with Climatronic |
F265 | Map-controlled engine cooling system thermostat |
G247 | Fuel pressure sender |
G267 | Potentiometer, temperature selection rotary knob |
G336 | Intake manifold flap potentiometer |
J220 | Motronic control unit |
N205 | Inlet camshaft control valve 1 |
N290 | Fuel metering valve |
N316 | Intake manifold flap air flow control valve |
SB3 | Fuse 3 on relay plate fuse holder |
SB30 | Fuse 30 on relay plate fuse holder |
SB37 | Fuse 37 on relay plate fuse holder |
T6o | 6-pin connector, coupling station under relay carrier |
T8 | 8-pin connector |
T10u | 10-pin connector, pink, coupling station under relay carrier |
T14 | 14-pin connector, brown, on left on cylinder head |
T14a | 14-pin connector, black, on left on cylinder head |
T14d | 14-pin connector, in engine compartment |
T121 | 121-pin connector, Motronic control unit |
A100 | Connection 2 (87), in dash panel wiring harness |
E7 | Positive connection (87a), in Motronic wiring harness |
* | Not with Climatronic |
G61 | Knock sensor 1 |
J17 | Fuel pump relay |
J220 | Motronic control unit |
J234 | Airbag control unit, behind lower part of console |
J379 | Central locking and anti-theft alarm system control unit |
SB11 | Fuse 11 on fuse holder |
T2 | 2-pin connector, black |
T10b | 10-pin connector, black, coupling station under relay carrier |
T10d | 10-pin connector, red, coupling station under relay carrier |
T14 | 14-pin connector, brown, on left on cylinder head |
T16 | 16-pin connector, near handbrake lever, self-diagnosis connection |
T121 | 121-pin connector, on Motronic control unit |
76 | Earth point, near selector mechanism |
81 | Earth connection 1, in dash panel wiring harness |
502 | Screw connection 1 (30a), on relay plate |
A32 | Positive connection (30), in dash panel wiring harness |
A41 | Positive connection (50), in dash panel wiring harness |
A125 | Connection (crash signal), in dash panel wiring harness |
B111 | Positive connection 1 (30a), in interior wiring harness |
B150 | Positive connection 2 (30a), in interior wiring harness |
B154 | Positive connection 1 (DCt), in interior wiring harness |
G | Fuel gauge sender |
G6 | Fuel pump |
G22 | Speedometer sender (Hall sender on gearbox) |
G32 | Coolant shortage indicator sender |
SB1 | Fuse 1 on relay plate fuse holder |
SB28 | Fuse 28 on fuse holder |
SB40 | Fuse 40 on fuse holder |
T8h | 8-pin connector, on gearbox |
T10a | 10-pin connector, green, coupling station under relay carrier |
T10b | 10-pin connector, black, coupling station under relay carrier |
T10d | 10-pin connector, red, coupling station under relay carrier |
12 | Earth point, on left in engine compartment |
50 | Earth point, on left in luggage compartment |
131 | Earth connection 2, in engine compartment wiring harness |
A99 | Connection 1 (87), in dash panel wiring harness |
B109 | Earth connection, in rear left interior wiring harness |
B149 | Positive connection 2 (15a), in interior wiring harness |
F1 | Oil pressure switch |
G1 | Fuel gauge |
G3 | Coolant temperature display |
G5 | Rev. counter |
H11 | Oil pressure warning buzzer |
J514 | Electronic manual gearbox control unit |
J285 | Control unit with display in dash panel insert |
K2 | Alternator warning lamp |
K3 | Oil pressure warning lamp |
K28 | Coolant temperature/coolant shortage warning lamp |
K105 | Reserve fuel warning lamp |
T10a | 10-pin connector, green, coupling station under relay carrier |
T10c | 10-pin connector, blue, coupling station under relay carrier |
T10d | 10-pin connector, red, coupling station under relay carrier |
T32 | 32-pin connector, blue, on dash panel insert |
T32a | 32-pin connector, green, on dash panel insert |
T68 | 68-pin connector, on electronic manual gearbox control unit |
A27 | Connection (speed signal), in dash panel wiring harness |
A121 | Connection (high bus), in dash panel wiring harness |
A122 | Connection (low bus), in dash panel wiring harness |