A | Battery |
B | Starter |
C | Alternator |
C1 | Voltage regulator |
D | Ignition/starter switch |
J59 | X-contact relief 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 |
D | Ignition/starter switch |
J271 | Motronic current supply relay, in protective housing on left in engine compartment (control number 428) |
S229 | Fuse 29 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 |
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 |
D181 | Connection 2 (87a), in engine compartment wiring harness |
* | from May 2003 |
*** | up to April 2003 |
E20 | Illumination regulators, switches, instruments |
E382 | Gas or petrol operating mode change-over switch |
J651 | Shut-off valve relay 1, on the 13 position additional relay carrier |
K235 | Natural gas operation warning lamp 2, |
L156 | Switch illumination bulb |
N361 | Fuel tank shut-off valve 1 |
N362 | Fuel tank shut-off valve 2 |
N372 | High pressure valve for gas mode |
T5 | 5-pin connector |
T6 | 6-pin connector, brown, in connector protective housing, on left in plenum chamber |
T6c | 6-pin connector |
T10o | 10-pin connector, yellow, in connector protective housing, on left in plenum chamber |
81 | Earth connection 1, in dash panel wiring harness |
197 | Earth connection 4, in rear wiring harness |
A4 | Positive connection (58b), in dash panel wiring harness |
A104 | Positive connection 2 (15), in dash panel wiring harness |
D136 | Positive connection 2 (15a), in engine compartment wiring harness |
W58 | Connection (87), in rear wiring harness |
J220 | Motronic control unit, in centre plenum chamber |
N79 | Heater element for crankcase breather |
N156 | Variable intake manifold change-over valve |
N261 | Variable intake manifold change-over valve 2 |
T14d | 14-pin connector, on left in plenum chamber |
T121 | 121-pin connector |
131 | Earth connection -2-, in engine compartment wiring harness |
177 | Earth connection (intake manifold), in engine compartment wiring harness |
608 | Earth point, in centre of plenum chamber |
D78 | Positive connection 1 (30a), in engine compartment wiring harness |
* | models with heater element for crankcase breather only |
G2 | Coolant temperature sender |
G62 | Coolant temperature sender |
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 |
J338 | Throttle valve module |
T6a | 6-pin connector |
T10 | 10-pin connector, orange, in connector protective housing, on left in plenum chamber |
T10o | 10-pin connector, yellow, in connector protective housing, on left in plenum chamber |
T14a | 14-pin connector, near battery |
T14d | 14-pin connector, on left in plenum chamber |
T121 | 121-pin connector |
220 | Earth connection (sender earth), in engine wiring harness |
G28 | Engine speed sender |
G61 | Knock sensor I |
G66 | Knock sensor II |
J220 | Motronic control unit, in centre plenum chamber |
T3 | 3-pin connector, in front 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 |
J104 | ABS/ABS control unit with EDL |
J220 | Motronic control unit, in centre plenum chamber |
T10o | 10-pin connector, yellow, in connector protective housing, on left in plenum chamber |
T10w | 10-pin connector, white, in connector protective housing, on left in plenum chamber |
T14d | 14-pin connector, on left in plenum chamber |
T47a | 47-pin connector, on ABS/ABS control unit with EDL/ ASR/ ESP |
T121 | 121-pin connector |
A121 | Connection (high bus), in dash panel wiring harness |
A122 | Connection (low bus), in dash panel wiring harness |
J220 | Motronic control unit, in centre plenum chamber |
N366 | Gas injection valve 1 |
N367 | Gas injection valve 2 |
N368 | Gas injection valve 3 |
N369 | Gas injection valve 4 |
S289 | Gas injector fuse, in protective housing on left in engine compartment |
T14d | 14-pin connector, on left in plenum chamber |
T121 | 121-pin connector |
D106 | Connection 4, in engine compartment wiring harness |
D107 | Connection 5, in engine compartment wiring harness |
D108 | Connection 6, in engine compartment wiring harness |
D109 | Connection 7, in engine compartment wiring harness |
D176 | Connection (gas injector), in engine compartment wiring harness |
G130 | Lambda probe after catalytic converter |
J220 | Motronic control unit, in centre plenum chamber |
N30 | Injector, cylinder 1 |
N31 | Injector, cylinder 2 |
N32 | Injector, cylinder 3 |
N33 | Injector, cylinder 4 |
S232 | Fuse 32 in fuse holder |
T4f | 4-pin connector, near catalytic converter |
T14a | 14-pin connector, near battery |
T14d | 14-pin connector, on left in plenum chamber |
T121 | 121-pin connector |
A101 | Connection 3 (87), in dash panel wiring harness |
D95 | Connection (injectors), in engine compartment wiring harness |
E7 | Positive connection (87a), in Motronic wiring harness |
G39 | Lambda probe |
G79 | Accelerator position sender |
G185 | Accelerator position sender -2- |
J220 | Motronic control unit, in centre plenum chamber |
N80 | Activated charcoal filter system solenoid valve 1 |
T6b | 6-pin connector |
T6c | 6-pin connector, near catalytic converter |
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 |
E45 | Cruise control system switch |
E227 | Cruise control system (CCS) SET button |
G70 | Air mass meter |
J17 | Fuel pump relay |
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 |
T10e | 10-pin connector, black, in connector protective housing, on left in plenum chamber |
T10s | 10-pin connector, next to steering column |
T75 | 75-pin connector |
T121 | 121-pin connector |
A20 | Connection (15a), in dash panel wiring harness |
A125 | Connection (crash signal), in dash panel wiring harness |
F | Brake light switch |
F36 | Clutch pedal switch |
F47 | Cruise control system brake pedal switch |
J220 | Motronic control unit, in centre plenum chamber |
J255 | Climatronic control unit |
J299 | Secondary air pump relay, in protective housing on left in engine compartment (control number 100) |
S13 | Fuse 13 in fuse holder |
T4q | 4-pin connector |
T10 | 10-pin connector, orange, in connector protective housing, on left in plenum chamber |
T10e | 10-pin connector, black, in connector protective housing, on left in plenum chamber |
T10w | 10-pin connector, white, in connector protective housing, on left in plenum chamber |
T16b | 16-pin connector |
T17a | 17-pin connector, behind centre dash panel |
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 |
A27 | Connection (speed signal), in dash panel wiring harness |
-••- | only models with Climatronic |
G | Fuel gauge sender |
G6 | Fuel pump |
J333 | Fuel pump switch-off relay, on the 13 position additional relay carrier |
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 top end of steering column |
135 | Earth connection 2, 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 |
A193 | Connection (87a), in dash panel wiring harness |
E30 | Connection (87a), in engine wiring harness |
* | models with heater element for crankcase breather only |
G22 | Speedometer sender (Hall sender, on gearbox) |
G32 | Coolant shortage indicator sender |
G266 | Oil level and oil temperature sender*** |
S5 | Fuse 5 in fuse holder |
S6 | Fuse 6 in fuse holder |
S7 | Fuse 7 in fuse holder |
T14a | 14-pin connector, near battery |
85 | Earth connection -1-, in engine compartment wiring harness |
269 | Earth connection (sender earth) 1, in dash panel wiring harness |
608 | Earth point, in centre of plenum chamber |
609 | Earth point, on right in plenum chamber |
B163 | Positive connection 1 (15), in interior wiring harness |
** | only models without Climatronic |
*** | only flexible service interval display |
F1 | Oil pressure switch |
G1 | Fuel gauge |
G3 | Coolant temperature gauge |
G5 | Rev. counter |
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 |
K38 | Oil level warning lamp*** |
K105 | Reserve fuel warning lamp |
T14a | 14-pin connector, near battery |
T32 | 32-pin connector, blue |
T32a | 32-pin connector, green |
A13 | Connection (door contact switch), in dash panel wiring harness |
*** | only flexible service interval display |
E86 | Multifunction display call-up button |
E109 | Multifunction display memory switch |
G17 | Ambient temperature sensor |
G21 | Speedometer |
G411 | Natural gas gauge |
H3 | Warning buzzer |
J119 | Multifunction display |
J255 | Climatronic control unit |
J285 | Control unit with display in dash panel insert |
J533 | Data bus diagnostic interface, in dash panel insert |
K83 | Exhaust emissions warning lamp |
K31 | Cruise control system warning lamp |
K192 | Natural gas mode warning lamp |
T6e | 6-pin connector |
T12a | 12-pin connector, behind centre dash panel |
T16 | 16-pin connector, in centre dash panel, self-diagnosis connection |
T20 | 20-pin connector |
T32 | 32-pin connector, blue |
T32a | 32-pin connector, green |
A27 | Connection (speed signal), in dash panel wiring harness |
A76 | Connection (diagnosis wire K), in dash panel wiring harness |
** | only models without Climatronic |
-•- | only models with Climatronic |