400 and Up

The direction indicators right/left, in the front/rear etc. are specified in the car's direction of travel as viewed from behind the car.

No. Name Location
403 Solenoid valve, combustion circulation upper boost pressure control valve behind the glow plug control module on the battery's radiation shield
407 Intake air temperature sensor T8 and PSG 16: integrated in the intake air sensor 688
407 Intake air temperature sensor Simtec: integrated in the mass air flow sensor unit 686
409a Relay, parking heater in the centre console on the instrument panel support
410 Fuel filter heating element in engine bay
410 Fuel filter heating element LHD: by the right MacPherson strut tower
410 Fuel filter heating element RHD: by the left MacPherson strut tower
411 Clutch, immobilizer switch on bulkhead partition by clutch pedal
418HL Light cluster unit, boot lid, LH on boot lid
418HR Light cluster unit, boot lid, RH on boot lid
418RL Rear left wing light cluster unit on the rear wing
418RR Rear right wing light cluster unit on the rear wing
431 Manifold absolute pressure sensor next to the throttle body motor
432b Relay, windscreen washer fluid pump in engine bay electrical centre 342
434a Central locking system tank hatch solenoid by the fuel filler flap in luggage compartment
439 Solenoid, selector lever, SHIFT LOCK in the gear selector unit
443 Relay, heated oxygen-sensor in the main fuse box in front of battery
445 Data link connector, 16 pin, CARB under the dashboard by steering column
446 Electrically adjustable seat relay, in the rear electrical centre
449 Switch, TCS in the SID module's control panel
453 Motor, pump, engine coolant circulation on the parking heater
454 Control valve, VIM damper on lower right side of intake manifold
456 Aerial, remote control, central locking system integrated in steering column unit
457 Tilt sensor, anti-theft alarm in front roof console integrated in the anti-theft alarm sensor
461 Connection, electronic road tolls at front right speaker
463 Aerial unit, immobilizer in the ignition switch module
467 Antenna, GPS on the roof
468 Telematics module 4D: under the parcel shelf
468 Telematics module CV: in the front edge of the luggage compartment
469 OnStar control panel in the dashboard under the infotainment panel
480C 12 V socket, cabin in the centre console's storage compartment
502 Control module, TCM on the console between the battery and engine
502A Control module, TCM, contact A on the console between the battery and engine
502B Control module, TCM, contact B on the console between the battery and engine
504 Manual climate control panel in the centre of the dashboard
511FL Relay, electrical heating, seat, LH in the seat
511FR Relay, electrical heating, seat, RH in the seat
514D Driver's door central locking switch for simultaneous closing in door
514P Passenger door central locking switch for simultaneous closing in door
517 Relay, +50 in engine bay electrical centre 342
531 Boost pressure control valve, TCM on the gearbox
532 Gearbox, input shaft speed sensor on the gearbox
533 Gearbox, output shaft speed sensor on the gearbox
535 Transmission fluid temperature sensor on the gearbox
539 Atmospheric pressure sensor T8: on the engine's top left front corner by the camshaft cover
539 Atmospheric pressure sensor PSG16: under the glow plug control module on the battery's radiation shield
540 Main instrument display panel in front of driver in the instrument panel
541 SID on top of the instrument panel
551 Door mirror retraction motor in door mirror
551D Door mirror retraction motor, driver's side in door mirror
551P Door mirror retraction motor, passenger side in door mirror
552 Ignition coil unit on top of the engine
555 Camshaft position sensor component: on the right of the engine's short side at the camshaft gear
555 Camshaft position sensor connector: to the right on the engine at the end of the cable duct
558 Turbo pressure sensor in the main instrument unit
559 Temperature sensor, engine oil centre of the front edge of the oil pan
561 Position sensor, first bow ready to lock in the LH lock on the windscreen frame
561c Position sensor, first bow locked in the centre of the first bow
562LH Position sensor, soft top cover locked, LH component: on the LH hinge of the soft top cover
562LH Position sensor, soft top cover locked, LH connector: in front of the LH rear wheel housing
562o Position sensor, soft top cover open component: on the hydraulic cylinder of the soft top cover
562o Position sensor, soft top cover open connector: grey connector in front of the RH rear wheel housing
562RH Position sensor, soft top cover locked, RH component: on the RH hinge of the soft top cover
562RH Position sensor, soft top cover locked, RH connector: black connector in front of the RH rear wheel housing
564 Position sensor, soft top bag down component: on the soft top bag drive mechanism
564 Position sensor, soft top bag down connector: black connector by the soft top bag drive mechanism
565 Control module, STC on the RH rear wheel housing
575RL Control module, window lift, rear, LH within the rear seat LH side trim
575RR Control module, window lift, rear, RH within the rear seat RH side trim
577c Position sensor, soft top raised component: on the RH hydraulic cylinder of the soft top cover
577c Position sensor, soft top raised connector: black, 3-pin connector by the soft top bag drive mechanism
577o Position sensor, soft top lowered component: on the RH hydraulic cylinder of the soft top cover
577o Position sensor, soft top lowered connector: black, 3-pin connector by the soft top bag drive mechanism
578LH Position sensor, sixth bow locked, LH on the LH side of the sixth bow
578RH Position sensor, sixth bow locked, RH on the RH side of the sixth bow
578u Position sensor, sixth bow raised component: on the hydraulic cylinder of the sixth bow
578u Position sensor, sixth bow raised connector: grey connector by the soft top bag drive mechanism
585 Pressure sensor, EVAP on the fuel tank at the fuel pump for T8
588 Solenoid valve, EVAP shut-off on the fuel tank
589 Trionic control module, 4-cyl Trionic T8 in front on the engine
589A Trionic control module, 4-cyl Trionic T8, contact A in front on the engine
589B Trionic control module, 4-cyl Trionic T8, contact B in front on the engine
592 Front heated oxygen-sensor component: before/on the catalytic converter
592 Front heated oxygen-sensor connector T8: blue connector on the bracket between the power steering pump and the vacuum pump
592 Front heated oxygen-sensor connector Simtec: on a bracket at the oil filter
593 Rear heated oxygen-sensor component T8: after the catalytic converter
593 Rear heated oxygen-sensor connector T8: brown connector on the bracket between the power steering pump and the vacuum pump
593 Rear heated oxygen-sensor component Simtec: on the exhaust pipe behind the engine
593 Rear heated oxygen-sensor connector Simtec: on the bracket at the rear centre of the engine
595 Pump Steuer GerSt 16 control module, 4-cyl diesel in front on the engine
595K Control module, PSG16, 4 cyl. diesel, contact K in front on the engine
595M Control module, PSG16, 4 cyl. diesel, contact M in front on the engine
596 Control module, glow plug on the battery's radiation shield
597 Auxiliary/parking heater in engine bay on the right of the bulkhead partition
597a Control module, auxiliary/parking heater in the auxiliary/parking heater
597b Motor, combustion air fan, auxiliary/parking heater in the auxiliary/parking heater
597c Glow plug, auxiliary/parking heater in the auxiliary/parking heater
597d Flame detector, auxiliary/parking heater in the auxiliary/parking heater
597e Temperature sensor, auxiliary/parking heater in the auxiliary/parking heater
597f Temperature sensor, auxiliary/parking heater in the auxiliary/parking heater
602 Exhaust temperature sensor component: behind the catalytic converter
602 Exhaust temperature sensor connector: on the console behind the Ionization Detection Module
603 Pressure sensor, charge air T8 and PSG16: integrated in the intake air sensor 688
604 Clutch actuator unit, throttle body integrated in the throttle body
605 Solenoid valve, by-pass turbo between the throttle body and the engine control module
606 Solenoid valve unit, EGR on front of the throttle body
613FL Bulb, floor lighting, front floor, LH under the dashboard at front of floor
613FR Bulb, floor lighting, front floor, RH under the dashboard at front of floor
614P Loaded front passenger seat cushion sensor in passenger seat cushion
618 Rheostat, intermittent wiper integrated in the windscreen wiper switch
620 Pressure sensor, A/C on the air filter's top left front corner
621 Temperature sensor, A/C evaporator on the left of the climate housing
622 Microswitch, tailgate lock in the boot lid's handle unit
624 Aerial amplifier, radio by the rear window on the right C-pillar
624a Converting connector, radio below the right A-pillar
624b Aerial amplifier, radio in the antenna base
625 Antenna, radio, window in rear window
627 Mobile telephone antenna 4D: on the roof
627 Mobile telephone antenna CV: on the boot lid
627h Mobile telephone antenna connection by the radio unit
630 SPA control module 4D: in the luggage compartment behind the back rest member on the LH side
630 SPA control module CV: under the luggage compartment electrical centre
631RL Distance sensor, ultrasonic, outer, LH to the left of the rear bumper
631RLC Distance sensor, ultrasonic, centre, LH to the left of the rear bumper
631RR Distance sensor, ultrasonic, outer, RH to the right of the rear bumper
631RRC Distance sensor, ultrasonic, centre, RH to the right of the rear bumper
633 Switch unit, steering wheel on steering wheel rim
633a Preset radio tuning/cassette direction/CD switch to the left on steering wheel rim
633b Search forward switch to the left on steering wheel rim
633c Search backwards switch to the left on steering wheel rim
633d Select radio/tape/CD switch to the right on steering wheel rim
633e Increase volume switch to the right on steering wheel rim
633f Decrease volume switch to the right on steering wheel rim
633g Increase change position switch to the right on steering wheel rim
633h Decrease change position switch to the left on steering wheel rim
633k Telephone voice switch to the right on steering wheel rim
633l Select telephone switch to the left on steering wheel rim
634 Microphone, mobile phone 4D: in the front roof console
634 Microphone, mobile phone CVLHD: in the LH A-pillar
634 Microphone, mobile phone CVRHD: in the RH A-pillar
635 Navigation module under the parcel shelf
637 ADM control module in rear-view mirror
638 Switch, ADM in rear-view mirror
639 Electrochromatic layer on the rear of the mirror glass
644 Antenna ground filter in the ground cable between the left of the rear window and the grounding point
646 Motor, hydraulic pump, soft top in the hydraulic unit by the RH rear wheel housing
647a Solenoid valve 1, soft top in the hydraulic unit by the RH rear wheel housing (green connector)
647b Solenoid valve 2, soft top in the hydraulic unit by the RH rear wheel housing (blue connector)
647c Solenoid valve 3, soft top in the hydraulic unit by the RH rear wheel housing (orange connector)
649 Rain sensor on the windscreen by the rear-view mirror
657 Steering wheel angle sensor, ESP in the steering column unit
658 Angle sensor, yaw on the centre tunnel under the gear selector unit
660 ESP switch in the SID module's control panel
661 Headlamp flasher bulb in the headlamp module
663a Xenon lamp ignition transformer in the headlamp module
663b Xenon lamp ballast in the headlamp module
663FL Unit, headlamp, LH by the left side of the radiator
663FR Right-hand headlamp unit by the right side of the radiator
664 Control module, AHL behind the left headlamp unit
665 Solenoid, screening, xenon bulb in the headlamp module
666 Main beam flasher relay in engine bay electrical centre 342
667 Relay, high pressure headlamp washer fluid pump in engine bay electrical centre 342
668 Motor, high pressure headlamp pump on the washer fluid reservoir
669D Driver's seat position sensor in the seat
669P Passenger seat position sensor in the seat
671 Control module, ESP integrated in the hydraulic unit behind the engine bay electrical centre 342
675 Relay, extra lights in engine bay electrical centre
676LH Bulb, spotlights, LH in front of the grille
676RH Bulb, spotlights, RH in front of the grille
680D Driver's door mirror on the door
680P Passenger side door mirror on the door
681 Interior rear-view mirror by the windscreen
683 Solenoid valve, engine shut-off lower solenoid valve behind the glow plug control module on the battery's radiation shield
684 Light switch unit on dashboard between steering wheel and driver's door
685F Front dome light module in the roof by the windscreen
685R Rear dome light module in the centre of the roof
686 Unit, mass air flow sensor in engine bay at right-hand MacPherson strut tower
687D Unit, central locking system, driver's door in door
687H Boot lid central locking system module in the boot lid
687P Unit, central locking system, passenger door in door
687RL Unit, central locking system, rear LH door in door
687RR Unit, central locking system, rear RH door in door
688 Intake air sensor T8: on the charge air pipe
688 Intake air sensor PSG16: on the throttle body
689 Fuel pump unit in the fuel tank
690 Anti-theft alarm sensor in front roof console
691 Boot lid handle unit on boot lid
700 Battery isolator on the battery's positive pole
701 Electrical centre, luggage compartment on the wall behind the rear left wheel housing
702D Driver Door Module, in door
702P Passenger Door Module in door
702RL Control module, door, rear, LH in door
702RR Control module, door, rear, RH in door
703 Column Integration Module on the steering column below the steering wheel
703a Column Integration Module, in the steering column unit
704F Front load angle sensor by left front axle
704R Rear load angle sensor at left rear axle
705 Control module, Simtec at the top of the left end of the engine
705A Control module, Simtec, contact A (engine) rear/upper connector on the engine control module
705B Control module, Simtec, contact B front/lower connector on the engine control module
706a Relay unit, radiator fans on top of the radiator fan cover
706b Radiator fan relay unit on the left of the fan cowling
707 Body Control Module in fuse box in the dashboard
708 Steering Column Lock in the cabin down below on the steering column
709 Relay, windscreen wiper, full/half speed in engine bay electrical centre 342
710 Boot lid opening motor relay main fuse box in the luggage compartment
711 Connector, accessories in the engine bay by the left MacPherson strut tower
712LH Left panel mixed-air temperature sensor in the air channel
712RH Right panel mixed-air temperature sensor in the air channel
713 Compass in rear-view mirror
714 Air distribution defroster motor centre motor on the left end of the climate housing
715 Air distribution floor motor centre motor on the right end of the climate housing
716LH Air distribution left panel motor top motor on the left end of the climate housing
716RH Air distribution right panel motor top motor on the right end of the climate housing
717 Interior lighting relay in fuse box in the dashboard
723 Antenna, Bluetooth in the antenna socket on the telematics unit
726 Shift lever module in the gear selector unit
727 Main fuse box, Trionic T8 in front of battery
729 DVD unit in the console behind the rear left wheel housing
731 Trailer control module main fuse box in the luggage compartment
732D Driver head airbag curtain in the roof above the driver's side window
732P Passenger head airbag curtain in the roof above the passenger's side window
734D Activation unit, protective arch, driver's side in the lower section of the protective arch
734P Activation unit, protective arch, passenger side in the lower section of the protective arch
735 Garage opening remote control in rear-view mirror
736 Control panel, infotainment under SID
737 Control panel SID on the dashboard next to the main instrument unit
739 Power steering fluid pressure sensor on the top of the servo pump
740 Ionization Detection Module on the engine's short left side by the vacuum pump
741FL Microswitch, backrest locked in upright position, LH seat in the backrest lock
741FR Microswitch, backrest locked in upright position, RH seat in the backrest lock
741LH Microswitch, backrest locked in upright position, LH rear seat in the backrest lock
741RH Microswitch, backrest locked in upright position, RH rear seat in the backrest lock
742LH Microswitch, protective arch down, LH in the lower section of the protective arch
742RH Microswitch, protective arch down, RH in the lower section of the protective arch
745 Power steering system unit behind the engine
745a Control module, power steering in power steering unit
745b Motor, pump, power steering in power steering unit
746 Fuse holder, power steering on the side of the battery
747 Steering wheel angle sensor, power steering in the power steering gear
753 Control module, tyre pressure monitoring on the centre console LH support member
754FL Front left tyre pressure sensor in the wheel
754FR Front right tyre pressure sensor in the wheel
754RR Rear right tyre pressure sensor in the wheel
755FL Front left signal detector in the wheel housing
755FR Front right signal detector in the wheel housing
755RR Rear right signal detector in the wheel housing
756 Accessory relay in fuse box in the dashboard
757C Relay, +15, IPEC in fuse box in the dashboard
757F Relay, +15, UEC in engine bay electrical centre 342
757R Relay, +15, REC, main fuse box in the luggage compartment
771 Connection, AUX in the centre console