| A | Battery (00532) |
| B | Starter motor |
| C | Alternator |
| C1 | Voltage regulator |
| D | Ignition/starter switch |
| J59 | X contact relief relay |
| S10 | Fuse in relay plate/fuse box |
| 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 |
| S229 | Fuse in fuse holder |
| T2k | 2-pin connector, in the engine |
| T4l | 4-pin connector, in the engine |
| T6l | 6-pin connector, brown, in the connec. protective housing, in the plenum chamber, left side |
| 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 in vehicles with air conditioning |
| ** | Only with engine code letters APP |
| J220 | Control unit for motronic |
| J317 | Voltage supply relay - terminal 30 (01054) |
| 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 | Flame plug |
| T2nd | 2 pin connector |
| T4o | 4 pin connector |
| T4q | 4 pin connector |
| T4v | 4 pin connector |
| T4w | 4 pin connector |
| T6l | 6 pin connector, brown, on the protective housing, on the water case, left side |
| T121 | 121 pin connector |
| 15 | Earth point, on cylinder head |
| 85 | Earth connection -1-, in engine compartment wiring loom |
| 281 | Earth connection -1-, in engine prewiring wiring harness |
| A104 | Positive connection -2- (15), in dash panel wiring harness |
| D52 | Positive connection (15a), in engine compartment wiring loom |
| D78 | Positive connection -1- (30a), in engine compartment wiring loom |
| G2 | Coolant temperature sender (01039) |
| G31 | Boost pressure sender |
| G40 | Hall sender (00515-2113) |
| G62 | Sender for coolant temperature (00522-2312) |
| J220 | Control unit for motronic |
| 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 |
| T121 | 121 pin connector |
| 220 | Earth connection (sender earth), in engine wiring loom |
| D133 | Connection (Hall sender signal), in engine compartment wiring loom |
| G42 | Intake air temperature sender (00523-2322) |
| G61 | Knock sensor I (00524-2142) |
| G186 | Throttle valve drive (electric throttle operation) |
| G187 | Angle sender -1- for throttle valve drive (electric throttle operation) |
| G188 | Angle sender -2- for throttle valve drive (electric throttle operation) |
| J220 | Control unit for motronic |
| J293 | Control unit for radiator fan (00831) |
| J338 | Throttle valve control unit (01165) |
| T3e | 3 pin connector, near the admission tube |
| T6n | 6 pin connector |
| T10 | 10 pin connector, orange, in the protective body of connections, in the water case, left side |
| T14 | 14 pin connector |
| T121 | 121 pin connector |
| 139 | Earth connection (sender earth), in motronic wiring loom |
| 220 | Earth connection (sender earth), in engine wiring loom |
| * | Only in vehicles with M.F.A. |
| E35 | Switch for air conditioner |
| F88 | Power assisted steering/pressure switch (00557) |
| 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) |
| T3b | 3 pin connector, on the radiator |
| T3f | 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 |
| T121 | 121 pin connector |
| 10 | Earth point, in plenum chamber |
| 131 | Earth connection -2-, in engine compartment wiring loom |
| 139 | Earth connection (sender earth), in motronic wiring loom |
| 220 | Earth connection (sender earth), in engine wiring loom |
| G70 | Air mass meter (00553-2324) |
| J220 | Motronic control unit |
| N30 | Injector cylinder 1 (01249-4411) |
| N31 | Injector cylinder 2 (01250-4412) |
| N32 | Injector cylinder 3 (01251-4413) |
| N33 | Injector cylinder 4 (01252-4414) |
| S232 | Fuse in fuse holder |
| T10 | 10-pin connector, orange, in the connec. protective housing, in the plenum chamber, left side |
| T10d | 10-pin connector, green, in the connec. protective housing, in the plenum chamber, left side |
| T14a | 14-pin connector, in the wiring channel, left side |
| T121 | 121-pin connector |
| B168 | Connection (86), in interior wiring harness |
| D95 | Connection (injectors), in engine compartment wiring harness |
| E30 | Connection (87a), in engine wiring harness |
| * | Self-diagnosis line W |
| G39 | Lambda probe (00525-2342) |
| G130 | Lambda probe after catalyst (00699) |
| J220 | Motronic control unit |
| N80 | Activated charcoal filter system solenoid valve I (01247-4343) (pulsed) |
| N112 | Secondary air inlet valve (01235-4313) |
| T4p | 4-pin connector, in engine compartment, centre |
| T4x | 4-pin connector, close to catalyst |
| T10d | 10-pin connector, green, in the connec. protective housing, in the plenum chamber, left side |
| T121 | 121-pin connector |
| Z19 | Lambda probe heater |
| Z29 | Lambda probe 1 heater, after catalyst |
| E30 | Connection (87a), in engine wiring harness |
| * | Only with engine code letters APP |
| G79 | Accelerator position sender (00777-3131) |
| G185 | Accelerator pedal position sender -2- |
| J104 | Control unit for ABS with EDS |
| J220 | Control unit for motronic |
| J299 | Secondary air pump relay (01264-4311) |
| V101 | Secondary air pump motor |
| T6m | 6 pin connector, on the accelerator pedal |
| T10d | 10 pin connector, green, in the protective body of connections, in the water case, left side |
| T10h | 10 pin connector, blue, in the protective body of connections, in the water case, left side |
| T25 | 25 pin connector |
| T47 | 47 pin connector |
| T121 | 121 pin connector |
| 131 | Earth connection -2-, in engine compartment wiring loom |
| A121 | Connection (High-Bus), in dash panel wiring harness |
| A122 | Connection (Low-Bus), in dash panel wiring harness |
| D108 | Connection -6- in engine compartment wiring loom |
| * | Only with APP engine distinctive lettering |
| J17 | Fuel pump relay (01259-4433) |
| J220 | Control unit for motronic |
| J234 | Control unit for Airbag (01321) |
| N75 | Solenoid valve for charge pressure control (01262-4442) |
| N249 | Turbocharger divert air valve |
| T6l | 6 pin connector, brown, on the protective housing, on the water case, left side |
| T10 | 10 pin connector, orange, in the protective body of connections, in the water case, left side |
| T10h | 10 pin connector, blue, in the protective body of connections, in the water case, left side |
| T75 | 75 pin connector, behind the central console |
| T121 | 121 pin connector |
| A27 | Connection (speed signal), in dash panel wiring loom |
| A125 | Connection (crash signal), in dash panel wiring harness |
| D102 | Connection -2-, in engine compartment wiring loom |
| G | Fuel gauge sender (00771-3113) |
| G6 | Fuel pump (pre-supply pump) |
| G32 | Coolant shortage indicator sender |
| G169 | Fuel gauge sender -2- |
| S228 | Fuse in fuse holder |
| S234 | Fuse in fuse holder |
| S243 | Fuse in fuse holder |
| T6l | 6-pin connector, brown, in the connec. protective housing, in the plenum chamber, left side |
| T14a | 14-pin connector, in the wiring channel, left side |
| 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 |
| A100 | Connection -2- (87), in dash panel wiring harness |
| * | Only vehicles with four-wheel drive |
| F1 | Oil pressure switch |
| G22 | Speedometer sender (01086) (Hall sender on gearbox) |
| H3 | Buzzer/gong (01023-3444) |
| 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 the wiring channel, left side |
| T32 | 32-pin connector, blue, in the dash panel |
| T32a | 32-pin connector, green, in the dash panel |
| 10 | Earth point, in plenum chamber |
| 85 | Earth connection -1-, in engine compartment wiring harness |
| B163 | Positive connection -1- (15), in interior wiring harness |
| * | Only vehicles with M.F.I. |
| 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) |
| T5d | 5-pin connector, brown, interconnection station, C pillar, left side |
| T6d | 6-pin connector |
| 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 |
| A76 | Connection (diagnosis wire K), in dash panel wiring harness |
| * | Only vehicles with M.F.I. |
| ** | Self-diagnosis line W |
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