| E30 | Air conditioning system switch |
| G191 | Centre vent temperature sender |
| G267 | Potentiometer for temperature selection rotary knob |
| J13 | Fresh air blower relay |
| J301 | Air conditioning system control unit |
| K84 | Air conditioning system warning lamp |
| N280 | Air conditioner compressor regulating valve |
| SC14 | Fuse 14 on fuse holder C |
| SC40 | Fuse 40 on fuse holder C |
| T4t | 4-pin connector, near starter |
| T5 | 5-pin connector |
| T10k | 10-pin connector, on heater and air conditioner unit, front passenger footwell |
| T20c | 20-pin connector |
| 376 | Earth connection 11, in main wiring harness |
| 381 | Earth connection 16, in main wiring harness |
| 655 | Earth point, on left headlight |
| A189 | Positive connection 5 (30a) in dash panel wiring harness |
| * | Only models with auxiliary coolant heater |
| *2 | see applicable current flow diagram for auxiliary coolant heater |
| E159 | Fresh air and air recirculation flap switch |
| E230 | Heated rear window button |
| G65 | High-pressure sender |
| G143 | Potentiometer for air recirculation flap control motor |
| G192 | Footwell vent temperature sender |
| G263 | Evaporator output temperature sender |
| J301 | Air conditioning system control unit |
| K114 | Fresh air and air recirculation warning lamp |
| SC4 | Fuse 4 on fuse holder C |
| T2j | 2-pin connector |
| T2k | 2-pin connector |
| T3c | 3-pin connector |
| T6k | 6-pin connector |
| T16e | 16-pin connector |
| T20c | 20-pin connector |
| V113 | Air recirculation flap control motor |
| 43 | Earth point, lower part of right A-pillar |
| 367 | Earth connection 2, in main wiring harness |
| 372 | Earth connection 7, in main wiring harness |
| 374 | Earth connection 9, in main wiring harness |
| 382 | Earth connection 17, in main wiring harness |
| A20 | Positive connection (15a), in dash panel wiring harness |
| L2 | Connection in air conditioning system wiring harness |
| E94 | Heated driver seat regulator |
| E95 | Heated front passenger seat regulator |
| G92 | Potentiometer for temperature flap control motor |
| J301 | Air conditioning system control unit |
| J774 | Heated front seats control unit |
| T6m | 6-pin connector |
| T8aa | 8-pin connector |
| T10a | 10-pin connector |
| T10b | 10-pin connector |
| T16e | 16-pin connector |
| T20c | 20-pin connector |
| V68 | Temperature flap control motor |
| B431 | Connection (seat heating), in main wiring harness |
| L2 | Connection in air conditioning system wiring harness |
| M45 | Connection 5, in driver seat wiring harness |
| * | Only models with seat heating |
| *2 | see applicable current flow diagram for seat heating |
| E9 | Fresh air blower switch |
| J301 | Air conditioning system control unit |
| J485 | Auxiliary heater operation relay |
| J519 | Onboard supply control unit |
| J533 | Data bus diagnostic interface |
| K10 | Heated rear window warning lamp |
| L16 | Fresh air regulator illumination bulb |
| N24 | Fresh air blower series resistor with overheating fuse |
| T4f | 4-pin connector |
| T5 | 5-pin connector |
| T10k | 10-pin connector |
| T20 | 20-pin connector |
| T20c | 20-pin connector |
| V2 | Fresh air blower |
| 602 | Earth point, in front left footwell |
| B397 | Connection 1 (convenience CAN bus, high), in main wiring harness |
| B406 | Connection 1 (convenience CAN bus, low), in main wiring harness |
| L77 | Connection, in fresh air blower wiring harness |
| L78 | Connection 1, in fresh air blower wiring harness |
| * | From July 2007 |
| *2 | Up to June 2007 |
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