| A | Battery |
| B | Starter |
| C | Alternator |
| C1 | Voltage regulator |
| J519 | Onboard supply control unit |
| S162 | Fuse 1 (30) in fuse holder on battery |
| S163 | Fuse 2 (30) in fuse holder on battery |
| S177 | Fuse 5 (30) in fuse holder on battery |
| S180 | Fuse 8 (30) in fuse holder on battery |
| S269 | Fuse 11 (30) in fuse holder on battery |
| T1a | Single pin connector, on starter |
| T2x | 2-pin connector, near dual tone horn |
| T2y | 2-pin connector, on alternator |
| T6q | 6-pin connector, blue, on left in engine compartment |
| T11d | 11-pin connector, white, in left engine compartment |
| T18a | 18-pin connector, on onboard supply control unit |
| 1 | Earth strap, battery - body |
| 507 | Screw connection (30), on fuse holder on battery |
| 621 | Earth point, onboard supply battery |
| D | Ignition/starter switch |
| E19 | Parking light switch |
| J59 | X-contact relief relay |
| J519 | Onboard supply control unit |
| SB10 | Fuse 10 on fuse holder |
| T6j | 6-pin connector, on X-contact relief relay |
| T8a | 8-connector, on ignition/starter switch |
| T18a | 18-pin connector, on onboard supply control unit |
| T41a | 41-pin connector, on turn signal switch |
| 238 | Earth connection 1, in interior wiring harness |
| 249 | Earth connection 2, in interior wiring harness |
| 278 | Earth connection 4, in interior wiring harness |
| 606 | Earth point, under the centre console near gear stick |
| B111 | Positive connection 1 (30a), in interior wiring harness |
| B491 | Positive connection (75), in interior wiring harness |
| B493 | Connection (75x), in interior wiring harness |
| B500 | Connection (86s), in interior wiring harness |
| B503 | Positive connection 7 (30a), in interior wiring harness |
| E159 | Fresh air/air recirculation flap switch |
| G56 | Dash panel temperature sensor |
| G113 | Air flow flap control motor potentiometer |
| J127 | Control and regulating unit for air conditioning system |
| J255 | Climatronic control unit |
| J519 | Onboard supply control unit |
| K114 | Fresh air and air recirculation warning lamp |
| L16 | Fresh air regulator illumination bulb |
| SB36 | Fuse 36 on fuse holder |
| T6al | 6-pin connector, on control and regulating unit for air conditioning system |
| T6x | 6-pin connector, on fresh air and air recirculation flap control motor |
| T12g | 12-pin connector, on air conditioning system control unit |
| T20a | 20-pin connector, on air conditioning system control unit |
| V2 | Fresh air blower |
| V42 | Temperature sensor blower |
| V154 | Fresh air/recirculated air flap control motor |
| 606 | Earth point, under the centre console near gear stick |
| L5 | Connection 1, in evaporator housing unit wiring harness |
| L31 | Connection (5V), in air conditioning system wiring harness |
| G92 | Temperature flap control motor potentiometer |
| G114 | Footwell/defroster flap control motor potentiometer |
| G267 | Potentiometer, temperature selection rotary knob |
| J255 | Climatronic control unit |
| J519 | Onboard supply control unit |
| T6aj | 6-pin connector, on central flap control motor |
| T6w | 6-pin connector, on temperature flap control motor |
| T20a | 20-pin connector, on air conditioning system control unit |
| V68 | Temperature flap control motor |
| V85 | Footwell and defroster flap control motor |
| L31 | Connection (5V), in air conditioning system wiring harness |
| G89 | Fresh air intake duct temperature sensor |
| G112 | Potentiometer for defroster flap control motor |
| G191 | Centre vent temperature sender |
| G192 | Footwell vent temperature sender |
| G263 | Evaporator output temperature sender |
| J255 | Climatronic control unit |
| J519 | Onboard supply control unit |
| T2av | 2-pin connector, on centre vent temperature sender |
| T2aw | 2-pin connector, on footwell vent temperature sender |
| T2ax | 2-pin connector, on evaporator output temperature sender |
| T2bh | 2-pin connector, on fresh air intake duct temperature sensor |
| T6ah | 6-pin connector, on temperature flap control motor |
| T20a | 20-pin connector, on air conditioning system control unit |
| V70 | Rear footwell flap control motor |
| L6 | Connection 2, in evaporator housing unit wiring harness |
| L31 | Connection (5V), in air conditioning system wiring harness |
| E4 | Headlight dipper/flasher switch |
| J255 | Climatronic control unit |
| J519 | Onboard supply control unit |
| K | Dash panel insert |
| T3c | 3-pin connector, grey, in left engine compartment |
| T5d | 5-pin connector, on onboard supply control unit |
| T8b | 8-connector, on dash panel insert |
| T16b | 16-pin connector, near relay station, self-diagnosis connection |
| T16e | 16-pin connector, on air conditioning system control unit |
| T41a | 41-pin connector, headlight dipper/flasher switch |
| 42 | Earth point, next to steering column |
| 279 | Earth connection 5, in interior wiring harness |
| 284 | Earth connection 6, in interior wiring harness |
| 285 | Earth connection 7, in interior wiring harness |
| 606 | Earth point, under the centre console near gear stick |
| B150 | Positive connection 2 (30a), in interior wiring harness |
| B156 | Positive connection (30a), in interior wiring harness |
| J255 | Climatronic control unit |
| J519 | Onboard supply control unit |
| K | Dash panel insert |
| N280 | Air conditioning system compressor regulating valve |
| T2bc | 2-pin connector, near dual tone horn |
| T2bd | 2-pin connector, near compressor |
| T11c | 11-pin connector, brown, in left engine compartment |
| T12g | 12-pin connector, on air conditioning system control unit |
| T16b | 16-pin connector, near relay station, self-diagnosis connection |
| T16e | 16-pin connector, on air conditioning system control unit |
| T18b | 18-pin connector, on onboard supply control unit |
| T32a | 32-pin connector, on dash panel insert |
| 167 | Earth connection 4, in engine compartment wiring harness |
| B231 | Positive connection 5 (30a), in interior wiring harness |
| B506 | Connection (convenience CAN bus, high), in interior wiring harness |
| B507 | Connection (convenience CAN bus, low), in interior wiring harness |
| G65 | High pressure sender |
| G107 | Sunlight penetration photosensor |
| J255 | Climatronic control unit |
| J519 | Onboard supply control unit |
| J533 | Data bus diagnostic interface |
| T2bf | 2-pin connector, on sunlight penetration photosensor |
| T11c | 11-pin connector, brown, in left engine compartment |
| T12g | 12-pin connector, on air conditioning system control unit |
| T16a | 16-pin connector, on onboard supply control unit |
| T16b | 16-pin connector, near relay station, self-diagnosis connection |
| T16e | 16-pin connector, on air conditioning system control unit |
| 167 | Earth connection 4, in engine compartment wiring harness |
| B149 | Positive connection 2 (15a), in interior wiring harness |
| B159 | Connection (diagnosis), in interior wiring harness |
| D136 | Positive connection 2 (15a), in engine compartment wiring harness |
| J293 | Radiator fan control unit |
| J519 | Onboard supply control unit |
| T3e | 3-pin connector, in left engine compartment |
| T3r | 3-pin connector, in left engine compartment |
| T4r | 4-pin connector, on radiator fan control unit |
| T6k | 6-pin connector, on radiator fan control unit |
| V7 | Radiator fan |
| V35 | Right radiator fan |
| 167 | Earth connection 4, in engine compartment wiring harness |
| D167 | Connection (fan stage I), in engine compartment wiring harness |
| D168 | Connection (fan stage 2), in engine compartment wiring harness |
| E22 | Intermittent wiper switch |
| F | Brake light switch |
| F18 | Radiator fan thermal switch |
| J293 | Radiator fan control unit |
| J519 | Onboard supply control unit |
| SB16 | Fuse 16 on fuse holder |
| SB18 | Fuse 18 on fuse holder |
| SB26 | Fuse 26 on fuse holder |
| SB29 | Fuse 29 on fuse holder |
| T3f | 3-pin connector, radiator fan thermal switch |
| T4c | 4-pin connector, on brake light switch |
| T4r | 4-pin connector, on radiator fan control unit |
| T6k | 6-pin connector, on radiator fan control unit |
| T41a | 41-pin connector, on turn signal switch |
| 167 | Earth connection 4, in engine compartment wiring harness |
| B165 | Positive connection 2 (15), in interior wiring harness |
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