| A | Battery |
| B | Starter |
| C | Alternator |
| C1 | Voltage regulator |
| D | Ignition/starter switch |
| J59 | X contact relief relay |
| S10 | Fuse in fuse box/relay plate |
| S162 | Fuse -1- (30), in fuse box/battery |
| S163 | Fuse -2- (30), in fuse box/battery |
| S176 | Fuse -4- (30), in fuse box/battery |
| S177 | Fuse -5- (30), in fuse box/battery |
| S229 | Fuse in fuse box |
| S237 | Fuse in fuse box |
| T2k | 2-pin connector, on engine |
| T4l | 4-pin connector, on engine |
| T6l | 6-pin connector, brown, in protective housing for connectors, in plenum chamber, left |
| 500 | Screw connection -1- (30), on relay plate |
| 501 | Screw connection -2- (30), on relay plate |
| 502 | Screw connection -1- (30a), on relay plate |
| A2 | Positive (+) connection (15), in dash panel wiring harness |
| A32 | Positive (+) connection (30), in dash panel wiring harness |
| A41 | Positive (+) connection (50), in dash panel wiring harness |
| * | Only models with air conditioner |
| ** | Only models up to October 2001 |
| *** | Only models from November 2001 |
| G2 | Coolant temperature sender |
| G40 | Hall sender |
| G62 | Coolant temperature sender |
| J220 | Motronic control unit |
| N79 | Heater element (crankcase breather) |
| N156 | Intake manifold change-over valve |
| T6l | 6-pin connector, brown, in protective housing for connectors, in plenum chamber, left |
| T14a | 14-pin connector, in cable channel left |
| T80 | 80-pin connector |
| 85 | Earth connection -1-, in engine compartment wiring harness |
| 220 | Earth connection (sender earth), in engine wiring harness |
| A100 | Connection -2- (87), in dash panel wiring harness |
| A104 | Positive (+) connection -2- (15), in dash panel wiring harness |
| D101 | Connection -1-, in engine compartment wiring harness |
| D102 | Connection -2-, in engine compartment wiring harness |
| F60 | Idling switch (00516-2121) |
| G61 | Knock sensor I (00524-2142) |
| G69 | Throttle valve potentiometer (00518-2212) |
| G72 | Intake manifold temperature sender (00527-2412) |
| G88 | Throttle valve positioner - potentiometer (00530-2124) |
| J220 | Control unit for motronic |
| J338 | Throttle valve control unit (01165) |
| V60 | Throttle valve positioner (00282-1232) |
| T2r | 2 pin connector, on the cylinder head, left side |
| T8m | 8 pin connector |
| T10 | 10 pin connector, orange, in the protective body of connections, in the water case, left side |
| T80 | 80 pin connector |
| 220 | Earth connection (sender earth), in engine wiring loom |
| * | Only in vehicles with M.F.A. |
| E35 | Switch for air conditioner |
| G28 | Engine speed sender (00513-2111) |
| G66 | Knock sensor II (00540-2144) |
| J220 | Control unit for motronic |
| J255 | Control unit for Climatronic (01320) |
| J293 | Control unit for radiator fan (00831) |
| T2s | 2 pin connector, on the engine housing, rear |
| T3d | 3 pin connector, near the admission tube |
| T8l | 8 pin connector |
| T10 | 10 pin connector, orange, in the protective body of connections, in the water case, left side |
| T12e | 12 pin connector |
| T14 | 14 pin connector |
| T16b | 16 pin connector |
| T80 | 80 pin connector |
| 10 | Earth point, in plenum chamber |
| 131 | Earth connection -2-, in engine compartment wiring loom |
| 220 | Earth connection (sender earth), in engine wiring loom |
| * | Only vehicles with automatic gearbox |
| J104 | Control unit for ABS with EDS |
| J220 | Control unit for motronic |
| N30 | Injector, cylinder 1 (01249-4411) |
| N31 | Injector, cylinder 2 (01250-4412) |
| N32 | Injector, cylinder 3 (01251-4413) |
| N33 | Injector, cylinder 4 (01252-4414) |
| N83 | Injector, cylinder 5 (01253-4421) |
| S232 | Fuse in fuse box |
| T10d | 10 pin connector, green, in the protective body of connections, in the water case, left side |
| T14a | 14 pin connector, in the cable channel, left side |
| T16 | 16 pin connector, self diagnosis |
| T25 | 25 pin connector |
| T47 | 47 pin connector |
| T80 | 80 pin connector |
| D95 | Connection (injectors), in engine compartment wiring loom |
| G39 | Lambda probe |
| G70 | Air mass meter |
| J17 | Fuel pump relay |
| J220 | Motronic control unit |
| J234 | Airbag control unit |
| J299 | Secondary air pump relay |
| N80 | Activated charcoal filter system solenoid valve 1 (pulsed) |
| N112 | Secondary air inlet valve |
| V101 | Secondary air pump motor |
| Z19 | Lambda probe heater |
| T4p | 4-pin connector, centre in engine compartment |
| T6l | 6-pin connector, brown, in protective housing for connectors, in plenum chamber, left |
| T10 | 10-pin connector, orange, in protective housing for connectors, in plenum chamber, left |
| T75 | 75-pin connector, behind the centre console |
| T80 | 80-pin connector |
| 10 | Earth point, in plenum chamber |
| A27 | Connection (speed signal), in dash panel wiring harness |
| A125 | Connection (crash signal), in dash panel wiring harness |
| E30 | Connection (87a), in engine wiring harness |
| * | Wire W for self-diagnosis |
| ** | Only models up to October 2001 |
| G | Fuel gauge sender |
| G6 | Fuel pump (pre-supply pump) |
| G32 | Coolant shortage indicator sender |
| S5 | Fuse in fuse box/relay plate |
| S228 | Fuse in fuse box |
| S234 | Fuse in fuse box |
| S243 | Fuse in fuse box |
| T6l | 6-pin connector, brown, in protective housing for connectors, in plenum chamber, left |
| T14a | 14-pin connector, in cable channel left |
| 81 | Earth connection -1-, in dash panel wiring harness |
| 269 | Earth connection (sender earth) -1-, in dash panel wiring harness |
| 504 | Screw connection -1- (87F), on relay plate |
| A20 | Connection (15a), in dash panel wiring harness |
| A99 | Connection -1- (87), in dash panel wiring harness |
| E30 | Connection (87a), in engine wiring harness |
| F1 | Oil pressure switch |
| G22 | Speedometer sender (01086)(Hall sender on gearbox) |
| H11 | Oil pressure warning buzzer |
| J285 | Control unit with display in dash panel insert (01317) |
| K2 | Alternator warning lamp |
| K3 | Oil pressure warning lamp (00755) |
| K28 | Coolant temperature/coolant shortage warning lamp |
| K83 | Exhaust emissions warning lamp |
| K132 | Electronic power control fault lamp |
| S7 | Fuse in relay plate/fuse box |
| T14a | 14-pin connector, in wire channel, left side |
| T32 | 32-pin connector, blue, in dash panel |
| T32a | 32-pin connector, green, in dash panel |
| 12 | Earth point, in engine compartment, left |
| 85 | Earth connection -1-, in engine compartment wiring harness |
| B163 | Positive connection -1- (15), in interior wiring harness |
| * | Self-diagnosis line W |
| E86 | Multi-function display call-up button |
| E109 | Multi-function display, memory switch |
| G1 | Fuel gauge (00664) |
| G3 | Coolant temperature gauge |
| G5 | Rev. counter (00662) |
| G21 | Speedometer (00663) |
| J119 | Multi-function display |
| J285 | Control unit with display in dash panel insert (01317) |
| K105 | Reserve fuel warning lamp (01082) |
| T6d | 6-pin connector |
| T12d | 12-pin connector, in the Climatronic |
| T32 | 32-pin connector, blue, in dash panel |
| T32a | 32-pin connector, green, in dash panel |
| A13 | Connection (door contact switch), in dash panel wiring harness |
| A27 | Connection (speed signal), in dash panel wiring harness |
| * | Only vehicles with M.F.I. |
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