400 and Up

No. Name Location
403 Solenoid valve, swirl throttle in front of coolant reservoir
407 Intake air temperature sensor petrol: on charge air pipe (integrated in 688)
408 Engine speed sensor on RH side of engine by crankshaft pulley
409a Relay, parking heater on main relay board in engine bay
409b Relay, auxiliary heater on the main relay board in the dashboard
410 Heater element, fuel filter in fuel filter in tank
411 Switch, clutch, immobilizer on bulkhead partition by clutch pedal
431 Manifold absolute pressure sensor 4-cyl.: on intake manifold to right of throttle body
434a Solenoid, central locking system, filler cap by filler cap in luggage compartment
439 Solenoid, selector lever, SHIFT LOCK in console for automatic transmission gear selector lever
440 Microswitch, selector lever in console for automatic transmission gear selector lever
445 Data link connector, 16-pin, CARB under dashboard by steering column
446D Relay, el.op. seat, driver in seat under cushion
446P Relay, electrically adjustable passenger's seat in seat under cushion
449 Switch, TCS in dashboard between steering wheel and centre dashboard vent
451 Glass breakage sensor in centre roof console
451F Glass breakage sensor, front in centre roof console
451R Glass breakage sensor, rear in rear roof console
453 Motor, pump, coolant circulation in engine bay behind power brake servo
456 Antenna, remote control, central locking system in floor console next to rear ashtray
457 Tilt sensor under RH seat
461 Connection, electronic road tolls under RH dashboard speaker grille
463 Aerial unit, immobilizer by ignition switch
466 Control module, OnStar, OIM 4D: under parcel shelf
466 Control module, OnStar, OIM 5D: in RH compartment under luggage compartment floor
467a GPS antenna on roof
467b GPS antenna in dashboard
467h Antenna connection, GPS in dashboard
469 Control panel, OnStar to left of centre dashboard vent
501 Main fuse board, maxi fuses under battery cover
502A TCM control module, connector A inside the glove box
502B TCM control module, connector B inside the glove box
511 Relay, electrically heated rear seat on the main relay board in the dashboard
514a Switch, simultaneous central locking system to left of gear lever
517 Relay, starter relay on the main relay board in the dashboard
520 Indicator lamp, SPORT in the main instrument unit
523 Indicator lamp, CHECK GEARBOX in the main instrument unit
531 Solenoid valves, TCM under gearbox
532 Speed sensor, input shaft, gearbox on the gearbox
533 Speed sensor, output shaft, gearbox on the gearbox
535 Transmission fluid temperature sensor under gearbox
537 SPORT switch on top of gear selector lever
538 Switch, door mirror adjustment in switch panel space between the steering wheel and driver's door
539 Barometric pressure sensor on bulkhead partition by connector H42-5
540 Main instrument unit in front of the driver in the instrument panel
541 SID In the centre of the dashboard
544 Indicator lamp, INFO DISPL in the main instrument unit
545 Warning lamp, central warning in the main instrument unit
551 Motor, door mirror adjustment in door mirror
555 Camshaft position sensor on RH side of front cylinder bank
558 Turbo pressure gauge, main instrument unit in the main instrument unit
559 Temperature sensor, engine oil 4-cyl diesel: in the middle at the front of the oil pan
559 Temperature sensor, engine oil V6 diesel: on oil pan by drain plug
581 Solenoid valve, heat exchanger on front edge of heater housing
585 Pressure sensor, EVAP on the fuel tank by the fuel pump
588 Solenoid valve, EVAP shut-off by fuel filler pipe
589 Control module, Trionic 4-cyl petrol in space (cabin side) in front of windscreen on passenger side
592Fa Heated oxygen sensor 1 in front of the catalytic converter
592Ra Heated oxygen sensor 2 after the catalytic converter
594 Relay, tailgate motor on the main relay board in the dashboard
595K PSG16 control module, connector K on front of engine
595M PSG16 control module, connector M on front of engine
596A Control module, glow plug, contact A between mass air flow sensor and power steering fluid reservoir
596B Control module, glow plug, contact B between mass air flow sensor and power steering fluid reservoir
597 Auxiliary heater under hydraulic unit
597a Control module, auxiliary heater in auxiliary heater
597b Motor, auxiliary heater combustion air fan in auxiliary heater
597c Glow plug, auxiliary heater in auxiliary heater
597d Flame detector, auxiliary heater in auxiliary heater
597e Temperature sensor, auxiliary heater in auxiliary heater
597f Overheating protection, auxiliary heater in auxiliary heater
603 Pressure sensor, charge air 4-cyl petrol: on charge air pipe (integrated in 688)
604 Actuator unit, throttle body integrated in the throttle body
605 Solenoid valve, turbo by-pass in the engine bay on the bulkhead partition wall by connector H42-5
606 EGR control valve on the front of the throttle housing
606A EGR control valve, connector A on RH side of engine between cylinder banks (lower connector)
606B EGR control valve, connector B on RH side of engine between cylinder banks (upper connector)
607 Solenoid, limp-home on the throttle body
611 Control module PMM above glove box
613FL Lamp, floor lighting, front LH under dashboard at front of floor
613FR Lamp, floor lighting, front RH under dashboard at front of floor
614P Sensor, occupied front passenger seat in passenger seat cushion
615LH Switch, seat ventilation, LH seat on bottom of dashboard
615RH Switch, seat ventilation, RH seat on bottom of dashboard
616LH Motor, backrest ventilation fan, LH seat in seat
616RH Motor, backrest ventilation fan, RH seat in seat
617LH Motor, seat ventilation fan, LH seat in seat
617RH Motor, seat ventilation fan, RH seat in seat
618 Rheostat, intermittent wiper integrated in windscreen wiper stalk switch to right on steering column
620 Pressure sensor, A/C at bottom of condenser right-hand end
621 Temperature sensor, A/C evaporator below connector bracket on passenger side of heating and ventilation unit
624 Antenna amplifier, radio on RH C-pillar
624RL Antenna amplifier, radio, LH above LH rear side window
624RR Antenna amplifier, radio, RH above RH rear side window
625 Antenna, window glass, radio in rear window glass
625RL Antenna, LH glass pane, radio in glass on LH rear side window
625RR Antenna, RH glass pane, radio in glass of RH rear side window
627 Antenna, mobile telephone on roof
627h Connection, antenna, mobile telephone behind radio box
628 Control module, DICE LHD: above the dashboard relay box
630A SPA control module, connector A 4D: on the left-hand side of the luggage compartment behind the backrest member
630A SPA control module, connector A 5D: under front floor in luggage compartment
630B SPA control module, connector B 4D: on the left-hand side of the luggage compartment behind the backrest member
630B SPA control module, connector B 5D: under front floor in luggage compartment
631RL Range sensor, ultrasonic, outer left to the left on the rear bumper
631RLC Range sensor, ultrasonic, left centre to the left on the rear bumper
631RR Range sensor, ultrasonic, outer right to the right on the rear bumper
631RRC Range sensor, ultrasonic, centre right to the right on the rear bumper
632 Control module, TWICE under left-hand seat
633 Switch unit, steering wheel on steering wheel rim
633a Switch, preset radio tuning/cassette direction/CD to left on steering wheel rim
633b Switch, seek forward to left on steering wheel rim
633c Switch, seek backwards to left on steering wheel rim
633d Switch, select radio/tape/CD to right on steering wheel rim
633e Switch, increase volume to right on steering wheel rim
633f Switch, decrease volume to right on steering wheel rim
634 Microphone, mobile phone in front roof console
635 Main unit, audio/navigation in centre of dashboard
635h Connection, navigation system by RH rear wheel housing
636LH Resistor, seat ventilation, LH seat in seat
636RH Resistor, seat ventilation, RH seat in seat
637 ADM control module in rear-view mirror
638 Switch, ADM in rear-view mirror
639 Electro-chromatic layer, rear-view mirror on the mirror glass
639D Electro-chromatic layer, door mirror, driver on the mirror glass
639P Electro-chromatic layer, door mirror, passenger on the mirror glass
640 Relay, Limp-home on the main relay board in the dashboard
641 Relay, diesel preheating on the main relay board in the dashboard
644 Filter, antenna ground on LH C-pillar
645a Indicator lamp, automatic transmission P-position indicator in the main instrument unit
645b Indicator lamp, automatic transmission R-position indicator in the main instrument unit
645c Indicator lamp, automatic transmission N-position indicator in the main instrument unit
645d Indicator lamp, automatic transmission D-position indicator in the main instrument unit
645f Indicator lamp, automatic transmission 3-position indicator in the main instrument unit
645h Indicator lamp, automatic transmission, 4-position indicator in the main instrument unit
645i Indicator lamp, automatic transmission L-position indicator in the main instrument unit
649 Rain sensor on windscreen by rear-view mirror
650 Relay, rain sensor in engine bay main relay board
651 Temperature sensor, fuel on rear cylinder bank by vacuum pump
652a Fuel pressure control valve, common rail lower valve on rear end of fuel pump
652b Fuel pressure control valve, common rail upper valve on rear end of fuel pump
653 Fuel pressure sensor, common rail on RH side of common rail
654 Position sensor guide rails, turbocharger in turbocharger vacuum unit
655A Control module, V6 diesel, connector A in space (cabin side) in front of windscreen on passenger side
655B Control module, V6 diesel, connector B in space (cabin side) in front of windscreen on passenger side
656A Power stage, injectors, connector A inside the glove box
656B Power stage, injectors, connector B inside the glove box
657 Steering wheel angle sensor in cabin below steering column mounting
658 Gyro sensor in front of gear-lever housing
659 Input brake pressure sensor on ESP unit
660 ESP switch in dashboard between steering wheel and centre dashboard vent
661 Lamp, headlamp flasher in headlamp
661FL Lamp, headlamp flasher, LH in the LH headlamp
661FR Lamp, headlamp flasher, RH in RH headlamp
662 AHL indicator lamp in the main instrument unit
663FL Headlamp, LH to the left of the radiator
663FR Headlamp, RH to the right of the radiator
664FL AHL control module, LH in the LH headlamp
664FR AHL control module, RH in RH headlamp
665FL Solenoid, xenon lamp screen, left in the LH headlamp
665FR Solenoid, xenon lamp screen, right in RH headlamp
666 Relay, main beam flash on main relay board in engine bay
667 Relay, washer fluid pump, high-pressure, headlamps on main relay board in engine bay
668 Motor, high pressure pump, headlamps on washer fluid reservoir
669D Position sensor, driver's seat in seat
669P Position sensor, passenger seat in seat
671 ESP control module integrated in brake unit behind the main fuse box in the engine bay
673 Control module, OnStar, VCIM 4D: under parcel shelf
673 Control module, OnStar, VCIM 5D: in RH compartment under luggage compartment floor
680D Door mirror, driver's side on door
680P Door mirror, passenger side on door
681 Rear-view mirror on windscreen
682FL Control module, LH headlamp in headlamp
682FR Control module, RH headlamp in headlamp
683 Solenoid valve, engine shut-off in front of coolant reservoir
686 Unit, mass air flow sensor behind the RH headlamp
688 Sensor, intake air petrol: on charge air pipe
704F Load angle sensor, front by RH front axle
704R Load angle sensor, rear by RH rear axle
713 Compass in rear-view mirror
735 Remote control, garage door opener, GDO in rear-view mirror
772 Ambient air temperature sensor, engine management system in mass air flow sensor