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 |
S162 | Fuse 1 (30), in fuse holder on battery |
S163 | Fuse 2 (30), in fuse holder on battery |
S176 | Fuse 4 (30), in fuse holder on battery |
S177 | Fuse 5 (30), in fuse holder on battery |
T2e | 2-pin connector, near starter (in models without air conditioning system) |
T4 | 4-pin connector, near starter (in models with air conditioning system) |
T6 | 6-pin connector, brown, in connector protective housing, on left in plenum chamber |
500 | Screw connection 1 (30), on relay plate |
502 | Screw connection (30a), on relay plate |
A41 | Positive connection (50), in dash panel wiring harness (up to April 2001) |
* | only models with manual gearbox |
--- | models with automatic gearbox only |
-●-●- | up to April 2001 |
D | Ignition/starter switch |
J220 | Motronic control unit, in centre plenum chamber |
S10 | Fuse 10 in fuse holder |
S229 | Fuse 29 in fuse holder |
S231 | Fuse 31 in fuse holder |
S237 | Fuse 37 in fuse holder |
T6 | 6-pin connector, brown, in connector protective housing, on left in plenum chamber |
T14a | 14-pin connector, near battery |
T121 | 121-pin connector |
501 | Screw connection 2 (30), on relay plate |
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 |
D78 | Positive connection 1 (30a), in engine compartment wiring harness |
--- | models with automatic gearbox only |
* | from November 2001 |
-●-●- | up to October 2001 |
J220 | Motronic control unit, in centre 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 connector |
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 wiring harness |
D52 | Positive connection (15a), in engine compartment wiring harness |
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, in centre plenum chamber |
J293 | Radiator fan control unit, in engine compartment, front left |
J338 | Throttle valve module |
N79 | Heater element for crankcase breather |
N323 | Ignition coil 5 with output stage |
P | Spark plug connector |
Q | Spark plugs |
T4e | 4-pin connector |
T6a | 6-pin connector |
T14 | 14-pin connector |
T14a | 14-pin connector, near battery |
T121 | 121-pin connector |
V51 | Continued coolant circulation pump |
85 | Earth connection -1-, in engine compartment wiring harness |
281 | Earth connection 1, in engine wiring harness |
608 | Earth point, in centre of plenum chamber |
609 | Earth point, on right in plenum chamber |
D52 | Positive connection (15a), in engine compartment wiring harness |
* | only models with manual gearbox |
G2 | Coolant temperature sender |
G40 | Hall sender |
G62 | Coolant temperature sender |
G163 | Hall sender 2 |
J220 | Motronic control unit, in centre plenum chamber |
T14a | 14-pin connector, near battery |
T121 | 121-pin connector |
131 | Earth connection -2-, in engine compartment wiring harness |
220 | Earth connection (sender earth), in engine wiring harness |
608 | Earth point, in centre of plenum chamber |
D101 | Connection 1, in engine wiring harness |
--- | models with automatic gearbox only |
G28 | Engine speed sender |
G61 | Knock sensor 1 |
G66 | Knock sensor 2 |
J220 | Motronic control unit, in centre plenum chamber |
T2 | 2-pin connector, in front engine compartment |
T3 | 3-pin connector, in front engine compartment |
T3a | 3-pin connector, in rear engine compartment |
T10 | 10-pin connector, orange, in connector protective housing, on left in plenum chamber |
T121 | 121-pin connector |
139 | Earth connection (sender earth), in Motronic wiring harness |
220 | Earth connection (sender earth), in engine wiring harness |
** | connection air conditioning system |
*** | radiator fan control unit connection |
J104 | ABS/ABS control unit with EDL |
J217 | Automatic gearbox control unit |
J220 | Motronic control unit, in centre plenum chamber |
T10 | 10-pin connector, orange, in connector protective housing, on left in plenum chamber |
T10w | 10-pin connector, white, in connector protective housing, on left in plenum chamber |
T25 | 25-pin connector, on ABS/ABS control unit with EDL |
T47a | 47-pin connector, on ABS control unit with EDL/ ASR/ ESP |
T68a | 68-pin connector |
T121 | 121-pin connector |
A121 | Connection (high bus), in dash panel wiring harness |
A122 | Connection (low bus), in dash panel wiring harness |
--- | models with automatic gearbox only |
G39 | Lambda probe |
J220 | Motronic control unit, in centre plenum chamber |
N156 | Variable intake manifold change-over valve |
N205 | Inlet camshaft control valve 1 |
N318 | Exhaust camshaft control valve 1 |
T6c | 6-pin connector, near catalytic converter |
T121 | 121-pin connector |
D102 | Connection 2, in engine compartment wiring harness |
E7 | Positive connection (87a), in Motronic wiring harness |
** | only models with central locking |
-●●- | only models without central locking |
G79 | Accelerator position sender |
G131 | Lambda probe 2 after catalytic converter |
G185 | Accelerator position sender -2- |
J220 | Motronic control unit, in centre plenum chamber |
N80 | Activated charcoal filter system solenoid valve 1 |
T4g | 4-pin connector, near catalytic converter |
T6b | 6-pin connector |
T10h | 10-pin connector, blue, in connector protective housing, on left in plenum chamber |
T121 | 121-pin connector |
E7 | Positive connection (87a), in Motronic wiring harness |
E30 | Connection (87a), in engine wiring harness |
** | only models with central locking |
J220 | Motronic control unit, in centre plenum chamber |
J542 | Brake servo control unit |
S51 | Fuse, in protective housing on left in engine compartment |
T6j | 6-pin connector, in left engine compartment |
T6k | 6-pin connector |
T10g | 10-pin connector, grey, in connector protective housing, on left in plenum chamber |
T121 | 121-pin connector |
V192 | Vacuum pump for brakes |
D104 | Positive connection 2 (30a), in engine compartment wiring harness |
U8 | Positive connection (15a), in automatic gearbox wiring harness |
--- | models with automatic gearbox only |
F | Brake light switch |
F47 | Cruise control system brake pedal switch |
J220 | Motronic control unit, in centre plenum chamber |
J299 | Secondary air pump relay, in protective housing on left in engine compartment (control number 100) |
N112 | Secondary air inlet valve |
S13 | Fuse 13 in fuse holder |
S130 | Secondary air pump fuse, in protective housing on left in engine compartment |
T10e | 10-pin connector, black, in connector protective housing, on left in plenum chamber |
T121 | 121-pin connector |
V101 | Secondary air pump motor |
A18 | Connection (54), in dash panel wiring harness |
A20 | Connection (15a), in dash panel wiring harness |
D103 | Connection 3, in engine compartment wiring harness |
D104 | Positive connection 2 (30a), in engine compartment wiring harness |
* | only models with manual gearbox |
-●●- | only models with automatic gearbox from February 2001 |
** | models with automatic gearbox only, up to January 2001 |
E45 | Cruise control system switch** |
E227 | Cruise control system (CCS) SET button** |
F36 | Clutch pedal switch* |
J220 | Motronic control unit, in centre plenum chamber |
T4q | 4-pin connector, (from May 2001) |
T10e | 10-pin connector, black, in connector protective housing, on left in plenum chamber |
T10s | 10-pin connector, next to steering column |
T10w | 10-pin connector, white, in connector protective housing, on left in plenum chamber |
T121 | 121-pin connector |
A20 | Connection (15a), in dash panel wiring harness |
* | only models with manual gearbox |
** | only models with GND |
G70 | Air mass meter |
J17 | Fuel pump relay |
J217 | Automatic gearbox control unit |
J220 | Motronic control unit, in centre plenum chamber |
J234 | Airbag control unit, behind the lower console |
T6 | 6-pin connector, brown, in connector protective housing, on left in plenum chamber |
T10 | 10-pin connector, orange, in connector protective housing, on left in plenum chamber |
T68a | 68-pin connector |
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 |
* | only models with manual gearbox |
--- | models with 5-speed automatic gearbox (AG5) only |
-●-●- | up to April 2001 |
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 connector protective housing, on left in plenum chamber |
T14a | 14-pin connector, near battery |
42 | Earth point, next to steering column |
49 | Earth point, on 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 |
*** | models with four-wheel drive ⇒ four-wheel drive Current Flow Diagram |
F1 | Oil pressure switch |
G22 | Speedometer sender (Hall sender, on gearbox) |
G266 | Oil level and oil temperature sender** |
J217 | Automatic gearbox control unit |
J285 | Control unit with display in dash panel insert |
K3 | Oil pressure warning lamp |
K38 | Oil level warning lamp** |
S5 | Fuse 5 in fuse holder |
S7 | Fuse 7 in fuse holder |
T10h | 10-pin connector, blue, in connector protective housing, on left in plenum chamber |
T14a | 14-pin connector, near battery |
T32 | 32-pin connector, blue |
T32a | 32-pin connector, green |
T68a | 68-pin connector |
B163 | Positive connection 1 (15), in interior wiring harness |
* | only models with manual gearbox |
** | only flexible service interval display |
--- | models with 5-speed automatic gearbox (AG5) only |
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 |
K28 | Coolant temperature/coolant shortage warning lamp |
K105 | Reserve fuel warning lamp |
T12a | 12-pin connector, Climatronic connection only |
T32 | 32-pin connector, blue |
A13 | Connection (door contact switch), in dash panel wiring harness |
A27 | Connection (speed signal), in dash panel wiring harness |
* | revolution signal engine control unit |
E86 | Multifunction display call-up button |
E109 | Multifunction display memory switch |
G17 | Ambient temperature sensor |
J119 | Multifunction 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 | Electric power control fault lamp |
T6e | 6-pin connector |
T16 | 16-pin connector, in centre dash panel, self-diagnosis connection |
T32 | 32-pin connector, blue |
T32a | 32-pin connector, green |
A76 | Connection (diagnosis wire K), in dash panel wiring harness |