| A | Battery |
| B | Starter |
| C | Alternator |
| C1 | Voltage regulator |
| D | Ignition/starter switch |
| J59 | X contact relief relay |
| S162 | Fuse -1- (30), in battery fuse holder |
| S163 | Fuse -2- (30), in battery fuse holder |
| S176 | Fuse -4- (30), in battery fuse holder |
| S177 | Fuse -5- (30), in battery fuse holder |
| T4 | 4-pin connector, near starter (on vehicles fitted with air conditioner) |
| T6 | 6-pin connector, brown, in protective housing for connectors, left in plenum chamber |
| T10d | 10-pin connector, white, in protective housing for connectors, left in plenum chamber |
| 500 | Screw connection -1- (30), on relay plate |
| 502 | Screw connection -1- (30a), on relay plate |
| A41 | Positive (+) connection (50), in dash panel wiring harness |
| D97 | Connection (50), in engine compartment wiring harness |
| D | Ignition/starter switch |
| J363 | Current supply relay for Simos control unit, in protective housing in engine compartment, left (control number 30) |
| S10 | Fuse in fuse box |
| S229 | Fuse in fuse box |
| T6 | 6-pin connector, brown, in protective housing for connectors, in plenum chamber, left |
| T14 | 14-pin connector, in cable channel left in engine compartment |
| 42 | Earth point, next to steering columm |
| 81 | Earth connection -1-, in dash panel wiring harness |
| 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 |
| A40 | Positive (+) connection -1- (30), in dash panel wiring harness |
| A104 | Positive (+) connection -2- (15), in dash panel wiring harness |
| D51 | Positive (+) connection -1- (15), in engine compartment wiring harness |
| F88 | Power assisted steering pressure switch |
| G2 | Coolant temperature sender |
| G28 | Engine speed sender |
| G61 | Knock sensor I |
| G62 | Coolant temperature sender |
| J361 | Simos control unit, centre in plenum chamber |
| T3 | 3-pin connector, on front of engine |
| T3a | 3-pin connector, on front of engine |
| T14 | 14-pin connector, in cable channel left in engine compartment |
| T121 | 121-pin connector |
| G40 | Hall sender |
| G212 | Exhaust gas recirculation potentiometer |
| J361 | Simos control unit, centre in plenum chamber |
| N18 | Exhaust gas recirculation valve |
| N156 | Intake manifold change-over valve |
| T2a | 2-pin connector, in cable channel left in engine compartment |
| T3b | 3-pin connector, on front of engine |
| T6d | 6-pin connector |
| T10 | 10-pin connector, orange, in protective housing for connectors, left in plenum chamber |
| T68 | 68-pin connector |
| T121 | 121-pin connector |
| ** | Air conditioning system |
| J104 | ABS/ABS with ESP control unit |
| J361 | Simos control unit, in plenum chamber, centre |
| N79 | Heater element (crankcase breather) |
| T10d | 10-pin connector, white, in protective housing for connectors, in plenum chamber, left |
| T25 | 25-pin connector, on ABS/ABS with EDL control unit |
| T47 | 47-pin connector, on ABS with EDL/TCS/ESP control unit |
| T121 | 121-pin connector |
| 131 | Earth connection -2-, in engine compartment wiring harness |
| 608 | Earth point, in plenum chamber, centre |
| 609 | Earth point, in plenum chamber, right |
| A121 | Connection (high bus), in dash panel wiring harness |
| A122 | Connection (low bus), in dash panel wiring harness |
| G39 | Lambda probe |
| G187 | Throttle valve drive angle sender -1- (electric throttle operation) |
| G188 | Throttle valve drive angle sender -2- (electric throttle operation) |
| J361 | Simos control unit, centre in plenum chamber |
| T6a | 6-pin connector |
| T6c | 6-pin connector, near catalyst |
| T10h | 10-pin connector, blue, in protective housing for connectors, left in plenum chamber |
| T121 | 121-pin connector |
| E30 | Connection (87a), in engine wiring harness |
| E45 | Cruise control system switch** |
| E227 | Cruise control system (CCS) button (Set) |
| J361 | Simos control unit, centre in plenum chamber |
| T7 | 7-pin connector, next to steering column |
| T10e | 10-pin connector, black, in protective housing for connectors, left in plenum chamber |
| T121 | 121-pin connector |
| A20 | Connection (15a), in dash panel wiring harness |
| ** | For vehicles with CCS only |
| F | Brake light switch |
| F36 | Clutch pedal switch |
| F47 | Cruise cont. sys. brake pedal switch |
| J299 | Secondary air pump relay, in protective housing, left in engine compartment (control number 100) |
| J361 | Simos control unit, centre in plenum chamber |
| S13 | Fuse in relay plate fuse box |
| T10d | 10-pin connector, white, in protective housing for connectors, left in plenum chamber |
| T10e | 10-pin connector, black, in protective housing for connectors, 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 |
| G70 | Air mass meter |
| G130 | Lambda probe after catalyst |
| J17 | Fuel pump relay |
| J234 | Airbag control unit, behind lower console |
| J361 | Simos control unit, centre in plenum chamber |
| N80 | Activated charcoal filter system solenoid valve I |
| T4a | 4-pin connector, near catalyst |
| T6 | 6-pin connector, brown, in protective housing for connectors, left in plenum chamber |
| T10 | 10-pin connector, orange, in protective housing for connectors, 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 (pre-supply pump) |
| G32 | Coolant shortage indicator sender |
| S28 | Fuse in fuse holder |
| S34 | Fuse in fuse holder |
| S43 | Fuse in fuse holder |
| T6 | 6-pin connector, brown, in protective housing for connectors, left in plenum chamber |
| T14 | 14-pin connector, in cable channel left in engine compartment |
| 42 | Earth point, next to steering column |
| 81 | Earth connection -1-, in dash panel wiring harness |
| 135 | Earth connection -2-, 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 |
| B147 | Positive connection -2- (87), in interior 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 in fuse box |
| S7 | Fuse in fuse box |
| T14 | 14-pin connector, in cable channel left in engine compartment |
| T32 | 32-pin connector, blue |
| T32a | 32-pin connector, green |
| 85 | Earth connection -1-, in engine compartment wiring harness |
| 608 | Earth point, in centre of plenum chamber |
| A1 | Positive (+) connection -1- (15), in interior 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 |
| T32 | 32-pin connector, blue, on dash panel insert |
| 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 |
| J285 | Control unit with display in dash panel insert |
| J533 | Data bus diagnostic interface |
| K132 | Electronic power control fault lamp |
| T16 | 16-pin connector, in dash panel centre, self-diagnosis connection |
| T32 | 32-pin connector, blue, on dash panel insert |
| T32a | 32-pin connector, green, on dash panel insert |
| A76 | Connection (diagnosis wire K), in dash panel wiring harness |
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