A | Battery |
B | Starter |
C | Alternator |
C1 | Voltage regulator |
D | Ignition/starter switch |
J59 | X contact relief relay |
T2k | 2-pin connector, on engine |
T4l | 4-pin connector, on engine |
T6l | 6-pin connector, brown, in protective housing for connectors, in plenum chamber, left |
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 |
A41 | Positive (+) connection (50), in dash panel wiring harness |
* | Only models with air conditioner |
** | Only models up to October 2001 |
*** | Only models from November 2001 |
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 |
N292 | Ignition coil 4 with output stage |
P | Spark plug connector |
Q | Spark plugs |
T6l | 6-pin connector, brown, in protective housing for connectors, in plenum chamber, left |
T14a | 14-pin connector, in cable channel left |
16 | Earth point, on cylinder head cover |
85 | Earth connection -1-, in engine compartment wiring harness |
281 | Earth connection -1-, in engine prewiring wiring harness |
A104 | Positive (+) connection -2- (15), in dash panel wiring harness |
D102 | Connection -2-, in engine compartment wiring harness |
J220 | Motronic control unit |
N318 | Exhaust camshaft timing adjustment valve -1- |
N323 | Ignition coil -5- with final output stage |
N324 | Ignition coil -6- with final output stage |
P | Spark plug connector |
Q | Spark plugs |
T2nh | 2-pin connector |
85 | Earth connection -1-, in engine compartment wiring harness |
281 | Earth connection -1-, in engine prewiring wiring harness |
D52 | Positive (+) connection (15a), in engine compartment wiring harness |
D102 | Connection -2-, in engine compartment wiring harness |
G186 | Throttle valve drive (electric throttle operation) |
G187 | Throttle valve drive angle sender -1- (electric throttle operation) |
G188 | Throttle valve drive angle sender -2- (electric throttle operation) |
G266 | Oil level/oil temperature sender |
J220 | Motronic control unit |
J271 | Motronic current supply relay |
J293 | Radiator fan control unit |
J338 | Throttle valve control unit |
V51 | Continued coolant circulation pump |
T14a | 14-pin connector, in cable channel left |
10 | Earth point, in plenum chamber |
85 | Earth connection -1-, in engine compartment wiring harness |
D75 | Positive (+) connection -2- (30), in engine compartment wiring harness |
* | Only models with maintenance intermittent extension |
G61 | Knock sensor I |
G66 | Knock sensor II |
G79 | Accelerator pedal position sender |
G185 | Accelerator pedal position sender -2- |
J220 | Motronic control unit |
T3e | 3-pin connector, near intake manifold |
T10h | 10-pin connector, blue, in protective housing for connectors, in plenum chamber, left |
139 | Earth connection (sender earth), in Motronic wiring harness |
220 | Earth connection (sender earth), in engine wiring harness |
241 | Earth connection -2-, engine earth, in engine wiring harness |
G2 | Coolant temperature sender |
G28 | Engine speed sender |
G40 | Hall sender |
G62 | Coolant temperature sender |
G163 | Hall sender 2 |
J220 | Motronic control unit |
J255 | Climatronic control unit |
J293 | Radiator fan control unit |
T3b | 3-pin connector, on radiator |
T10 | 10-pin connector, orange, in protective housing for connectors, in plenum chamber, left |
T14a | 14-pin connector, in cable channel left |
220 | Earth connection (sender earth), in engine wiring harness |
D106 | Connection -4-, in engine compartment wiring harness |
G39 | Lambda probe |
G130 | Lambda probe after catalyst |
J220 | Motronic control unit |
J299 | Secondary air pump relay |
V101 | Secondary air pump motor |
Z19 | Lambda probe heater |
Z29 | Lambda probe 1 heater, downstream of catalytic converter |
T4p | 4-pin connector, centre in engine compartment |
T6q | 6-pin connector, on exhaust pipe |
12 | Earth point, in engine compartment, left |
D108 | Connection -6-, in engine compartment wiring harness |
E7 | Positive (+) connection (87a), in Motronic wiring harness |
G108 | Lambda probe II |
G131 | Lambda probe II after catalyst |
J220 | Motronic control unit |
Z28 | Lambda probe 2 heater |
Z30 | Lambda probe 2 heater, downstream of catalytic converter |
T4na | 4-pin connector, near catalyst |
T6w | 6-pin connector, near catalyst |
10 | Earth point, in plenum chamber |
131 | Earth connection -2-, in engine compartment wiring harness |
E7 | Positive (+) connection (87a), in Motronic wiring harness |
G70 | Air mass meter |
J104 | ABS with EDL control unit |
J220 | Motronic control unit |
N80 | Activated charcoal filter system solenoid valve 1 (pulsed) |
N112 | Secondary air inlet valve |
T10d | 10-pin connector, green, in protective housing for connectors, in plenum chamber, left |
A121 | Connection (high bus), in dash panel wiring harness |
A122 | Connection (low bus), in dash panel wiring harness |
E30 | Connection (87a), in engine wiring harness |
D103 | Connection -3-, in engine compartment wiring harness |
F36 | Clutch pedal switch |
J17 | Fuel pump relay |
J220 | Motronic control unit |
J234 | Airbag control unit |
N75 | Charge pressure control solenoid valve |
N205 | Inlet camshaft timing adjustment valve -1- |
T10 | 10-pin connector, orange, in protective housing for connectors, in plenum chamber, left |
T10d | 10-pin connector, green, in protective housing for connectors, in plenum chamber, left |
T6l | 6-pin connector, brown, in protective housing for connectors, in plenum chamber, left |
A20 | Connection (15a), in dash panel wiring harness |
A27 | Connection (speed signal), in dash panel wiring harness |
A125 | Connection (crash signal), in dash panel wiring harness |
* | Only models up to October 2001 |
G | Fuel gauge sender |
G6 | Fuel pump (pre-supply pump) |
G32 | Coolant shortage indicator sender |
G169 | Fuel gauge sender -2- |
N79 | Heater element (crankcase breather) |
S228 | Fuse in fuse box |
S234 | Fuse in fuse box |
S243 | Fuse in fuse box |
T6l | 6-pin connector, brown, in protective housing for connectors, in plenum chamber, left |
T14a | 14-pin connector, in cable channel left |
81 | Earth connection -1-, in dash panel wiring harness |
269 | Earth connection (sender earth) -1-, in dash panel wiring harness |
504 | Screw connection -1- (87F), on relay plate |
A99 | Connection -1- (87), in dash panel wiring harness |
A100 | Connection -2- (87), in dash panel wiring harness |
* | Only models allroad |
F1 | Oil pressure switch |
G22 | Speedometer sender |
H11 | Oil pressure warning buzzer |
J285 | Control unit with display in dash panel insert |
K2 | Alternator warning lamp |
K3 | Oil pressure warning lamp |
K28 | Coolant temperature warning lamp/coolant shortage warning lamp |
K83 | Exhaust emissions warning lamp |
K132 | Electronic power control fault lamp |
S7 | Fuse in fuse box/relay plate |
T14a | 14-pin connector, in cable channel left |
B163 | Positive (+) connection -1- (15), in interior wiring harness |
E86 | Multi-function display call-up button |
E109 | Multi-function display, memory switch |
G1 | Fuel gauge |
G3 | Coolant temperature gauge |
G5 | Rev. counter |
G21 | Speedometer |
J119 | Multi-function display |
J285 | Control unit with display in dash panel insert |
K105 | Reserve fuel warning lamp |
A13 | Connection (door contact switch), in dash panel wiring harness |
* | Only models with multi-function display |
** | Wire W for self-diagnosis |