A | Battery |
B | Starter |
C | Alternator |
C1 | Voltage regulator |
D | Ignition/starter switch |
J59 | X contact relief relay |
J226 | Starter inhibitor and reversing light relay |
S163 | Fuse -2- (30), in battery fuse holder |
S176 | Fuse -4- (30), in battery fuse holder |
S177 | Fuse -5- (30), in battery fuse holder |
T2e | 2-pin connector, near starter (only models without air conditioner) |
T4 | 4-pin connector, near starter (only models with air conditioner) |
T6 | 6-pin connector, brown, in protective housing for connectors, on left in plenum chamber |
T10w | 10-pin connector, white, in protective housing for connectors, on left in plenum chamber |
500 | Screw connection -1- (30), on relay plate |
502 | Screw connection (30a), on relay plate |
* | Applies only to models with a manual gearbox |
--- | Applies only to models with an automatic gearbox |
D | Ignition/starter switch |
J448 | 4LV control unit (injection system), in centre of plenum chamber |
N79 | Heater element (crankcase breather) |
S10 | Fuse 10 in fuse holder |
S229 | Fuse 29 in fuse holder |
S237 | Fuse 37 in fuse holder |
T6 | 6-pin connector, brown, in protective housing for connectors, on left in plenum chamber |
T14a | 14-pin connector, near battery |
T121 | 121-pin connector |
85 | Earth connection -1-, in engine compartment wiring harness |
501 | Screw connection -2- (30), on relay plate |
608 | Earth point, in centre of plenum chamber |
A2 | Positive connection (15), in dash panel wiring harness |
A32 | Positive connection (30), in dash panel wiring harness |
A98 | Positive connection -4- (30), in dash panel wiring harness |
A104 | Positive connection -2- (15), in dash panel wiring harness |
* | From November 2001 |
-•-•- | Up to October 2001 |
J448 | 4LV control unit (injection system), in centre of plenum chamber |
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 connectors |
Q | Spark plugs |
T4a | 4-pin connector |
T4b | 4-pin connector |
T4c | 4-pin connector |
T4d | 4-pin connector |
T121 | 121-pin connector |
15 | Earth point, on cylinder head |
85 | Earth connection -1-, in engine compartment wiring harness |
281 | Earth connection -1-, in engine pre-wiring wiring harness |
D52 | Positive connection (15a), in engine compartment wiring harness |
G2 | Coolant temperature sender |
G28 | Engine speed sender |
G62 | Coolant temperature sender |
G186 | Throttle valve drive (electrically operated throttle) |
G187 | Throttle valve drive angle sender -1- (electrically operated throttle) |
G188 | Throttle valve drive angle sender -2- (electrically operated throttle) |
J338 | Throttle valve control module |
J448 | 4LV control unit (injection system), in centre of plenum chamber |
T3 | 3-pin connector, on front of engine |
T6a | 6-pin connector |
T14a | 14-pin connector, near battery |
T121 | 121-pin connector |
220 | Earth connection (sender earth), in engine wiring harness |
G40 | Hall sender |
G42 | Intake air temperature sender |
G71 | Intake manifold pressure sender |
G212 | Exhaust gas recirculation potentiometer |
J217 | Automatic gearbox control unit |
J448 | 4LV control unit (injection system), in centre of plenum chamber |
N18 | Exhaust gas recirculation valve |
T3b | 3-pin connector, on cylinder head |
T6d | 6-pin connector |
T10 | 10-pin connector, orange, in protective housing for connectors, on left in plenum chamber |
T10e | 10-pin connector, black, in protective housing for connectors, on left in plenum chamber |
T68 | 68-pin connector |
T121 | 121-pin connector |
220 | Earth connection (sender earth), in engine wiring harness |
D101 | Connection -1-, in engine compartment wiring harness |
* | Applies only to models with a manual gearbox |
** | Connection for air conditioner |
*** | Connection for radiator fan control unit |
--- | Applies only to models with an automatic gearbox |
J104 | ABS/ABS and EDL control unit |
J217 | Automatic gearbox control unit |
J448 | 4LV control unit (injection system), in centre of plenum chamber |
T10w | 10-pin connector, white, in protective housing for connectors, on left in plenum chamber |
T47a | 47-pin connector, on ABS and EDL/TCS/ESP control unit |
T68 | 68-pin connector |
T121 | 121-pin connector |
131 | Earth connection -2-, in engine compartment wiring harness |
608 | Earth point, in centre of plenum chamber |
A121 | Connection (high-bus), in dash panel wiring harness |
A122 | Connection (low-bus), in dash panel wiring harness |
--- | Applies only to models with an automatic gearbox |
G61 | Knock sensor I |
J448 | 4LV control unit (injection system), in centre of plenum chamber |
N30 | Injector, cylinder 1 |
N31 | Injector, cylinder 2 |
N32 | Injector, cylinder 3 |
N33 | Injector, cylinder 4 |
S232 | Fuse 32 in fuse holder |
T2 | 2-pin connector, on left of cylinder head |
T10 | 10-pin connector, orange, in protective housing for connectors, on left in plenum chamber |
T14a | 14-pin connector, near battery |
T121 | 121-pin connector |
A101 | Connection -3- (87), in dash panel wiring harness |
D95 | Connection (injectors), in engine compartment wiring harness |
D102 | Connection -2-, in engine compartment wiring harness |
G39 | Lambda probe |
G79 | Accelerator pedal position sender |
G185 | Accelerator pedal position sender -2- |
J448 | 4LV control unit (injection system), in plenum chamber, centre |
T6b | 6-pin connector |
T6c | 6-pin connector, near catalyst |
T10h | 10-pin connector, blue, in protective housing for connectors, in plenum chamber, left |
T121 | 121-pin connector |
E30 | Connection (87a), in engine wiring harness |
E45 | Cruise control system switch** |
E227 | Cruise control system (CCS) button (Set)** |
F | Brake light switch |
F36 | Clutch pedal switch** |
F47 | Cruise control system brake pedal switch |
J448 | 4LV control unit (injection system), in plenum chamber, centre |
S13 | Fuse in fuse box |
T4q | 4-pin connector |
T10e | 10-pin connector, black, in protective housing for connectors, in plenum chamber, left |
T10s | 10-pin connector, next to steering column |
T10w | 10-pin connector, white, in protective housing for connectors, in plenum chamber, left |
T121 | 121-pin connector |
A18 | Connection (54), in dash panel wiring harness |
A20 | Connection (15a), in dash panel wiring harness |
* | Only models with manual gearbox |
** | Only models with CCS |
G130 | Lambda probe after catalytic converter |
J17 | Fuel pump relay |
J234 | Airbag control unit |
J448 | 4LV control unit (injection system), in centre of plenum chamber |
N80 | Active charcoal filter system solenoid valve 1 |
T4e | 4-pin connector, near catalyst |
T6 | 6-pin connector, brown, in protective housing for connectors, on left in plenum chamber |
T10 | 10-pin connector, orange, in protective housing for connectors, on left in plenum chamber |
T75 | 75-pin connector |
T121 | 121-pin connector |
A27 | Connection (speed signal), in dash panel wiring harness |
A125 | Connection (crash signal), in dash panel wiring harness |
G | Fuel gauge sender |
G6 | Fuel pump |
G32 | Coolant shortage indicator sender |
S228 | Fuse 28 in fuse holder |
S234 | Fuse 34 in fuse holder |
S243 | Fuse 43 in fuse holder |
T6 | 6-pin connector, brown, in protective housing for connectors, on left in plenum chamber |
T14a | 14-pin connector, near battery |
42 | Earth point, next to steering column |
49 | Earth point, next to steering column |
135 | Earth connection -2-, in dash panel wiring harness |
269 | Earth connection (sender earth) -1-, in dash panel wiring harness |
504 | Screw connection (87F), on relay plate |
A99 | Connection -1- (87), in dash panel wiring harness |
A100 | Connection -2- (87), in dash panel wiring harness |
E30 | Connection (87a), in engine wiring harness |
F1 | Oil pressure switch |
G22 | Speedometer sender (Hall sender on gearbox) |
G266 | Oil level/oil temperature sender* |
J285 | Control unit with display in dash panel insert |
K3 | Oil pressure warning lamp |
K28 | Coolant temperature/coolant shortage warning lamp |
K38 | Oil level warning lamp* |
S5 | Fuse 5 in fuse holder |
S7 | Fuse 7 in fuse holder |
T14a | 14-pin connector, near battery |
T32 | 32-pin connector, blue |
T32a | 32-pin connector, green |
B163 | Positive connection -1- (15), in interior wiring harness |
D25 | Positive connection (15), in engine pre-wiring wiring harness |
* | Only with flexible service interval display |
G1 | Fuel gauge |
G3 | Coolant temperature gauge |
G5 | Rev. counter |
G21 | Speedometer |
H3 | Warning buzzer |
J285 | Control unit with display in dash panel insert |
K2 | Alternator warning lamp |
K105 | Reserve fuel warning lamp |
T12a | 12-pin connector, only if fitted with Climatronic |
T32 | 32-pin connector, blue |
A13 | Connection (door contact switch), in dash panel wiring harness |
A27 | Connection (speed signal), in dash panel wiring harness |
* | Engine speed signal from engine control unit |
E86 | Multi-function display call-up button |
E109 | Multi-function display, memory switch |
G17 | Ambient temperature sensor |
J119 | Multi-function display |
J285 | Control unit with display in dash panel insert |
J533 | Data bus diagnostic interface, in dash panel insert |
K31 | Cruise control system warning lamp |
K83 | Exhaust emissions warning lamp |
K132 | Electronic power control fault lamp |
T6e | 6-pin connector |
T16 | 16-pin connector, in dash panel centre, self-diagnosis connection |
T32 | 32-pin connector, blue |
T32a | 32-pin connector, green |
A76 | Connection (diagnosis wire K), in dash panel wiring harness |