| A | Battery |
| B | Starter |
| C | Alternator |
| C1 | Voltage regulator |
| D | Ignition/starter switch |
| J207 | Starter inhibitor relay |
| S88 | Strip fuse |
| T3v | 3-pin connector, black, on right on engine block |
| T9 | 9-pin connector, black, on starter inhibitor relay |
| T10b | 10-pin connector, black, on protective housing for control units on left in engine compartment |
| T10d | 10-pin connector, brown, on protective housing for control units on left in engine compartment |
| 1 | Earth strap, battery body |
| 500 | Screw connection 1 (30), on relay plate |
| A17 | Connection (61), in dash panel wiring harness |
| A52 | Positive connection 2 (30), in dash panel wiring harness |
| D97 | Connection (50), in engine compartment right wiring harness |
| --- | Only models with automatic gearbox |
| * | Only models with manual gearbox |
| 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 plug |
| T4i | 4-pin connector, black, on ignition coil 1 |
| T4j | 4-pin connector, black, on ignition coil 2 |
| T4k | 4-pin connector, black, on ignition coil 3 |
| T4l | 4-pin connector, black, on ignition coil 4 |
| T121 | 121-pin connector, on Motronic control unit |
| 16 | Earth point 1, on cylinder head cover |
| 131 | Earth connection 2, in engine compartment wiring harness |
| 132 | Earth connection 3, in engine compartment wiring harness |
| D101 | Connection 1, in engine compartment wiring harness |
| J220 | Motronic control unit |
| J271 | Motronic current supply relay, on 3 position relay carrier in E-box in plenum chamber |
| S102 | Engine control unit fuse |
| S115 | Ignition coil terminal 15 fuse |
| T3a | 3-pin connector, white, on protective housing for control units on left in engine compartment |
| T10b | 10-pin connector, black, on protective housing for control units on left in engine compartment |
| T121 | 121-pin connector, on Motronic control unit |
| 501 | Screw connection 2 (30), on relay plate |
| D50 | Positive connection (30), in engine compartment wiring harness |
| D101 | Connection 1, in engine compartment wiring harness |
| D102 | Connection 2, in engine compartment wiring harness |
| D103 | Connection 3, in engine compartment wiring harness |
| D173 | Connection (87), in engine wiring harness |
| J220 | Motronic control unit |
| N323 | Ignition coil 5 with output stage |
| N324 | Ignition coil 6 with output stage |
| N325 | Ignition coil 7 with output stage |
| N326 | Ignition coil 8 with output stage |
| P | Spark plug connector |
| Q | Spark plug |
| T4m | 4-pin connector, black, on ignition coil 5 |
| T4n | 4-pin connector, black, on ignition coil 6 |
| T4o | 4-pin connector, black, on ignition coil 7 |
| T4p | 4-pin connector, black, on ignition coil 8 |
| T121 | 121-pin connector, on Motronic control unit |
| 27 | Earth point 2, on cylinder head cover |
| 167 | Earth connection 4, in engine compartment wiring harness |
| 201 | Earth connection 5, in engine compartment wiring harness |
| D102 | Connection 2, in engine compartment wiring harness |
| G61 | Knock sensor 1 |
| G66 | Knock sensor 2 |
| G198 | Knock sensor 3 |
| G199 | Knock sensor 4 |
| J220 | Motronic control unit |
| T3b | 3-pin connector, black, on knock sensor I |
| T3c | 3-pin connector, brown, on knock sensor II |
| T3d | 3-pin connector, orange, on knock sensor 3 |
| T3e | 3-pin connector, grey, on knock sensor 4 |
| T121 | 121-pin connector, on Motronic control unit |
| D106 | Connection 4, in engine compartment wiring harness |
| D107 | Connection 5, in engine compartment wiring harness |
| G39 | Lambda probe |
| G130 | Lambda probe after catalytic converter |
| J220 | Motronic control unit |
| J293 | Radiator fan control unit |
| S229 | Fuse in fuse holder |
| T3k | 3-pin connector, grey, left A-pillar coupling station |
| T4b | 4-pin connector, black |
| T6b | 6-pin connector, black |
| T10e | 10-pin connector, orange, on protective housing for control units on left in engine compartment |
| T121 | 121-pin connector, on Motronic control unit |
| D23 | Connection (via fuse 229), in front right wiring harness |
| E45 | Cruise control system switch |
| E227 | Cruise control system (CCS) SET button |
| F | Brake light switch |
| F36 | Clutch pedal switch |
| F47 | Cruise control system brake pedal switch/diesel direct injection system |
| J220 | Motronic control unit |
| S7 | Fuse in fuse holder |
| S13 | Fuse in fuse holder |
| T10 | 10-pin connector, black, next to steering column |
| T15a | 15-pin connector, white, on protective housing for control units on left in engine compartment |
| T121 | 121-pin connector, on Motronic control unit |
| A89 | Connection 2 (54), in dash panel wiring harness |
| A104 | Positive connection 2 (15), in dash panel wiring harness |
| A130 | Connection (cruise control system), in dash panel wiring harness |
| A154 | Connection (brake pedal switch), in dash panel wiring harness |
| --- | Only models with cruise control system (CCS) |
| * | Only models with manual gearbox |
| F265 | Map-controlled engine cooling system thermostat |
| J220 | Motronic control unit |
| J299 | Secondary air pump relay, on 3 position relay carrier in E-box in plenum chamber |
| N205 | Inlet camshaft control valve 1 |
| N208 | Inlet camshaft control valve 2 |
| N318 | Exhaust camshaft control valve 1 |
| N319 | Exhaust camshaft control valve 2 |
| S130 | Secondary air pump fuse, in protective housing for control units on left in engine compartment |
| T2 | 2-pin connector |
| T3a | 3-pin connector, white, on protective housing for control units on left in engine compartment |
| T121 | 121-pin connector, on Motronic control unit |
| V101 | Secondary air pump motor |
| 85 | Earth connection 1, in engine compartment wiring harness |
| E30 | Connection (87a), in engine wiring harness |
| G70 | Air mass meter |
| G79 | Accelerator position sender |
| G185 | Accelerator position sender 2 |
| G294 | Brake servo pressure sensor |
| J220 | Motronic control unit |
| T6b | 6-pin connector, on accelerator position sender |
| T15a | 15-pin connector, white, on protective housing for control units on left in engine compartment |
| T121 | 121-pin connector, on Motronic control unit |
| D22 | Connection (via fuse 234), in front right wiring harness |
| D109 | Connection 7, in engine compartment wiring harness |
| D110 | Connection 8, in engine compartment wiring harness |
| * | Only models with automatic gearbox |
| G83 | Radiator outlet coolant temperature sender |
| J220 | Motronic control unit |
| J569 | Brake servo relay |
| N80 | Activated charcoal filter system solenoid valve 1 (pulsed) |
| N112 | Secondary air inlet valve |
| S131 | Fuse 1 |
| S234 | Fuse in fuse holder |
| T3s | 3-pin connector, red, on protective housing for control units on left in engine compartment |
| T10e | 10-pin connector, orange, on protective housing for control units on left in engine compartment |
| T15s | 15-pin connector, red, on protective housing for control units on left in engine compartment |
| T121 | 121-pin connector, on Motronic control unit |
| V192 | Vacuum pump for brakes |
| D22 | Connection (via fuse 234), in front right wiring harness |
| * | Only models with automatic gearbox |
| D | Ignition/starter switch |
| E15 | Heated rear window switch |
| 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) |
| J17 | Fuel pump relay |
| J220 | Motronic control unit |
| J293 | Radiator fan control unit |
| J338 | Throttle valve module |
| S232 | Fuse in fuse holder |
| T6a | 6-pin connector, black, on throttle valve control module |
| T10b | 10-pin connector, black, on protective housing for control units on left in engine compartment |
| T10e | 10-pin connector, orange, on protective housing for control units on left in engine compartment |
| T15a | 15-pin connector, white, on protective housing for control units on left in engine compartment |
| T15s | 15-pin connector, red, on protective housing for control units on left in engine compartment |
| T121 | 121-pin connector, on Motronic control unit |
| V177 | Radiator fan 2 |
| 504 | Screw connection 1 (87), on relay plate |
| A2 | Positive connection (15), in dash panel wiring harness |
| A20 | Connection (15a), in dash panel wiring harness |
| J220 | Monotronic control unit |
| J285 | Display control unit in dash panel insert |
| J533 | Data bus diagnostic interface |
| T10d | 10-pin connector, brown, on protective housing for control units on left in engine compartment |
| T15s | 15-pin connector, red, on protective housing for control units on left in engine compartment |
| T32b | 32-pin connector, green, on dash panel insert |
| T121 | 121-pin connector, on Motronic control unit |
| A121 | Connection (high bus), in dash panel wiring harness |
| A122 | Connection (low bus), in dash panel wiring harness |
| A146 | Connection (convenience CAN bus, high), in dash panel wiring harness |
| A147 | Connection (convenience CAN bus, low), in dash panel wiring harness |
| D159 | Connection (high bus), in engine compartment wiring harness |
| D160 | Connection (low bus), in engine compartment wiring harness |
| F1 | Oil pressure switch |
| G1 | Fuel gauge |
| G3 | Coolant temperature gauge |
| G22 | Speedometer sender (Hall sender on gearbox) |
| H11 | Oil pressure warning buzzer |
| J285 | Control unit in dash panel insert |
| K | Dash panel insert |
| K2 | Alternator warning lamp |
| K3 | Oil pressure warning lamp |
| K28 | Coolant temperature and coolant shortage warning lamp |
| K31 | Cruise control system warning lamp |
| K83 | Exhaust emissions warning lamp |
| K132 | Electronic power control fault lamp |
| L75 | Digital display illumination bulb |
| T10b | 10-pin connector, black, on protective housing for control units on left in engine compartment |
| T32a | 32-pin connector, blue |
| Y4 | Odometer display |
| F120 | Anti-theft alarm and vermin repellent system contact switch |
| G32 | Coolant shortage indicator sender |
| G266 | Oil level and oil temperature sender |
| J285 | Display control unit in dash panel insert |
| J393 | Convenience system central control unit, in front left footwell |
| K38 | Oil level warning lamp |
| S5 | Fuse in fuse holder |
| T6c | 6-pin connector, blue, left A-pillar coupling station |
| T10a | 10-pin connector, brown, left A-pillar coupling station |
| T10b | 10-pin connector, black, on protective housing for control units on left in engine compartment |
| T10d | 10-pin connector, brown, on protective housing for control units on left in engine compartment |
| T15k | 15-pin connector, grey, left A-pillar coupling station |
| T32a | 32-pin connector, blue, on dash panel insert |
| T32b | 32-pin connector, green, on dash panel insert |
| 44 | Earth point, lower part of left A-pillar |
| 86 | Earth connection 1, in rear wiring harness |
| 269 | Earth connection (sender earth) 1, in dash panel wiring harness |
| A74 | Connection (15a, fuse 5), in dash panel wiring harness |
| A91 | Connection (signal for dash panel insert), in dash panel wiring harness |
| G | Fuel gauge sender |
| G6 | Fuel pump (pressurisation pump) |
| G23 | Fuel pump |
| G169 | Fuel gauge sender 2 |
| G237 | Fuel gauge sender 3 |
| G292 | Fuel gauge sender for auxiliary fuel tank |
| G293 | Fuel gauge sender for auxiliary fuel tank (tank empty) |
| S51 | Fuse on fuel pump control unit |
| S228 | Fuse in fuse holder |
| S238 | Fuse in fuse holder |
| J538 | Fuel pump control unit |
| T6c | 6-pin connector, blue |
| T6v | 6-pin connector, purple |
| T6w | 6-pin connector |
| T6x | 6-pin connector |
| T10f | 10-pin connector, blue, left A-pillar coupling station |
| T12t | 12-pin connector, on fuel system diagnosis control unit |
| 78 | Earth point, lower part of right B-pillar |
| 197 | Earth connection 4, in rear wiring harness |
| 307 | Earth connection (sender earth), in floor wiring harness |
| 334 | Earth connection 6, in rear wiring harness |
| 501 | Screw connection 2 (30), on relay plate |
| A146 | Connection (convenience CAN bus, high), in dash panel wiring harness |
| A147 | Connection (convenience CAN bus, low), in dash panel wiring harness |
| W20 | Positive connection (30a) in rear wiring harness |
| W58 | Connection (87), in rear wiring harness |
English
