Contents Wiring diagrams Section: Electrical Component Locations All sections

Electrical Component Locator: Other Audi A8 D2 facelift

BUZZERS, RELAYS & TIMERS

ComponentComponent Location
ABS Return Flow Pump RelayOn right front of ABS hydraulic unit.
ABS Solenoid Valve RelayOn left front of ABS hydraulic unit.
A/C Clutch RelayOn right front footwell E-box relay panel.
Coolant Fan Control RelayNear ABS control module, below left side of dash.
Daytime Running Lights Change-Over RelayOn right front footwell E-box relay panel.
Daytime Running Lights Switch-On RelayOn right front footwell E-box auxiliary fuse & relay panel.
Dual Horn RelayOn right front footwell E-box central electric panel.
Dual Horn Relay 2On right front footwell E-box auxiliary fuse & relay panel.
Emergency Flasher RelayOn right front footwell E-box relay panel.
Entry & Floor Light RelayOn right front footwell E-box relay panel.
Fog Light RelayOn right front footwell E-box auxiliary fuse & relay panel.
Fuel Pump RelayOn right front footwell E-box central electric panel.
Load Reduction RelayOn right front footwell E-box central electric panel.
Motronic Engine Control Module Power Supply RelayOn plenum chamber E-box relay & fuse panel.
Power Seat Power Supply RelayOn bottom of left front seat.
Rear Headrest Relay (Left/Right)On respective side of rear seat back.
Second Speed Fan Control RelayNear ABS control module, below left side of dash.
Selector Lever Light RelayOn right front footwell E-box relay panel.
Solar Cell Separation RelayOn right front footwell E-box relay panel.
Starting Interlock RelayOn right front footwell E-box central electric panel.
Telephone Cutoff RelayAt left side of luggage compartment.
Third Speed Fan Control RelayNear ABS control module, below left side of dash.
Turn Signal RelayOn relay panel.
Wiper/Washer Intermittent RelayOn right front footwell E-box relay panel.

BUZZERS, RELAYS & TIMERS LOCATION

CIRCUIT PROTECTION DEVICES

ComponentComponent Location
Fuse PanelAt right front footwell.
Plenum Chamber E-BoxAt right rear of engine compartment, in plenum chamber.
Plenum Chamber E-Box Relay & Fuse PanelIn plenum chamber E-box.
Power Seat Circuit Breaker (1)On right front footwell E-box auxiliary fuse & relay panel.
Power Seat Circuit Breaker (2)On right front footwell E-box auxiliary fuse & relay panel.
Power Window Circuit Breaker (Front)On relay panel.
Power Window Circuit Breaker (Rear)On relay panel.
Protection DiodeIn right front footwell E-box.
Relay PanelAt left side of dash, below driver's storage compartment.
Relay & Fuse PanelAt right side of luggage compartment.
Right Front Footwell E-BoxAt right front footwell.
Right Front Footwell E-Box Auxiliary Fuse & Relay PanelIn right front footwell E-box.
Right Front Footwell E-Box Central Electric PanelIn right front footwell E-box.
Right Front Footwell E-Box Relay PanelIn right front footwell E-box.

CIRCUIT PROTECTION DEVICES LOCATION

CONTROL UNITS

ComponentComponent Location
ABS Control Module (W/EDL)Below left side of dash. (Схема №2)
Air Bag Control ModuleBelow center of dash, on transmission tunnel. (Схема №2)
Central Locking/Alarm System/Interior Light Delay ModuleAt left side of luggage compartment, near wheelwell. (Схема №2)
Cruise Control ModuleIn plenum chamber E-box, at right rear of engine compartment.
Fresh Air Blower Control ModuleAt right rear of engine compartment, in fresh air intake.
Front Lamp Control ModuleOn right front footwell E-box relay panel.
Front/Rear Fog Light Control ModuleOn right front footwell E-box relay panel.
Headlight Beam Adjusting Control ModuleAt base of right "B" pillar, behind trim.
High Intensity Gas Discharge Lamp Control Module (Left/Right)Behind respective headlight assembly.
Lamp Control ModuleOn right front footwell E-box relay panel.
Memory Seat Control ModuleOn bottom of left front seat.
Mirror Fold-Away Function Control ModuleOn right front footwell E-box relay panel.
Mirror Memory Control ModuleAt base of left "B" pillar, behind trim. (Схема №2)
Motronic Engine Control ModuleIn plenum chamber E-box. (Схема №1)
Multifunction Steering Wheel Control ModuleOn relay panel. (Схема №2)
Power Sunroof Control ModuleAbove interior light assembly, forward of sunroof.
Power Window Control Module (4)Integral with window motor, in respective door.
Rear Window Shade Control ModuleBelow right side of rear parcel shelf. (Схема №2)
Servotronic Control ModuleOn right front footwell E-box relay panel. (Схема №2)
Steering Column/Belt Height Control ModuleBelow left front seat. (Схема №2)
Transmission Control ModuleIn plenum chamber E-box. (Схема №1)
Ultrasound Control ModuleAt left side of luggage compartment. (Схема №2)

CONTROL UNITS LOCATION

MOTORS

ComponentComponent Location
ABS Hydraulic UnitAt left front of engine compartment.
Airflow Flap MotorAt left rear of engine compartment, on fresh air intake.
Center Vent Adjusting MotorBehind lower left center of dash, on HVAC assembly.
Coolant PumpAt left rear of engine compartment, beside fresh air intake.
Cruise Control Vacuum PumpInside front of left front fender.
Deck Lid Central Locking System MotorInside right side of trunk lid.
Defroster Flap MotorBehind left center of dash, on HVAC assembly.
Fresh Air BlowerAt center rear of engine compartment, in fresh air intake.
Fuel PumpIn right side of fuel tank, accessible from right front of trunk.
Headlight Washer PumpOn bottom of washer fluid reservoir.
Idle Air Control ValveAt top rear of engine. (Схема №1)
Left Center Vent MotorBehind upper left center of dash, on HVAC assembly.
Left Footwell Flap MotorBehind lower left center of dash, on HVAC assembly.
Recirculation Flap MotorAt left rear of engine compartment, on fresh air intake.
Rear Footwell Vent MotorBehind lower left center of dash, on HVAC assembly.
Rear Window Shade MotorBelow center of rear parcel shelf.
Right Center Vent MotorBehind upper right center of dash, on HVAC assembly.
Right Footwell Flap MotorBehind lower right center of dash, on HVAC assembly.
Steering Column Adjustment Motor (Axial)On right side of steering column.
Steering Column Adjustment Motor (Vertical)On left side of steering column.
Sunroof MotorAbove interior light assembly, forward of sunroof.
Temperature Regulator Flap MotorBehind right center of dash, on HVAC assembly.
Windshield Washer PumpOn bottom of washer fluid reservoir.

MOTORS LOCATION

SENDING UNITS/SENSORS

ComponentComponent Location
ABS Wheel Speed Sensor (4)On respective wheel hub/spindle assembly.
Anti-Theft Warning System Ultrasound Sensor (Left/Right)On respective upper "B" pillar, behind trim.
Back Pressure Flap Motor Position SensorAt left rear of engine compartment, on fresh air intake.
Camshaft Position SensorOn rear of left cylinder head. (Схема №1)
Center Vent Motor Position SensorBehind lower left center of dash, on HVAC assembly.
Center Vent Position SensorBehind upper center of dash, on HVAC assembly.
Defroster Flap Motor Position SensorBehind left center of dash, on HVAC assembly.
Engine Coolant Temperature Sensor (1)On rear of right cylinder head. (Схема №1)
Engine Coolant Temperature Sensor (2)On top left front of engine block. (Схема №1)
Engine Speed (RPM) SensorOn left front of transmission.
Fresh Air Intake Duct SensorAt left rear of engine compartment.
Fuel Gauge Sender (1)In right side of fuel tank, accessible from right front of trunk.
Fuel Gauge Sender (2)In left side of fuel tank, accessible from left front of trunk.
Heated Oxygen SensorNear rear of right exhaust manifold.
Heated Oxygen Sensor 2Near rear of left exhaust manifold.
Instrument Panel Interior Temperature SensorAbove A/C controls, in center console.
Intake Air Temperature SensorOn bottom of throttle body. (Схема №1)
Knock Sensor 1Under intake manifold, below right cylinder head.
Knock Sensor 2On left side of engine block.
Left Center Vent Motor Position SensorBehind upper left center of dash, on HVAC assembly.
Left Footwell Flap Motor Position SensorBehind lower left center of dash, on HVAC assembly.
Left Vent Temperature SensorBehind left center of dash, on HVAC assembly.
Mass Airflow SensorInside upper air cleaner housing. (Схема №1)
Outside Air Temperature SensorBehind center of lower radiator grill.
Oxygen Sensor (Behind TWC)In right exhaust pipe, downstream from three way catalytic converter.
Oxygen Sensor 2 (Behind TWC)In left exhaust pipe, downstream from three way catalytic converter.
Rear Footwell Vent Motor Position SensorBehind lower left center of dash, on HVAC assembly.
Recirculation Flap Motor Position SensorAt left rear of engine compartment, on fresh air intake.
Right Center Vent Motor Position SensorBehind upper right center of dash, on HVAC assembly.
Right Footwell Flap Motor Position SensorBehind lower right center of dash, on HVAC assembly.
Right Vent Temperature SensorBehind right center of dash, on HVAC assembly.
Seat Occupied Sensor (Front Passenger)In bottom of right front seat.
Seat Occupied Sensor (Left/Right Rear Passenger)In bottom of respective rear seat area.
Servotronic Solenoid ValveOn steering gear housing.
Side Air Bag Crash Sensor (Driver's Side)Below left front seat.
Side Air Bag Crash Sensor (Passenger's Side)Below right front seat.
Speedometer Vehicle Speed SensorOn left side of transmission, near left driveshaft flange.
Sunlight Photo SensorOn top center of middle defrost vent, at top of dash.
Temperature Regulator Flap Motor Position SensorBehind right center of dash, on HVAC assembly.
Throttle Position SensorOn throttle body.
Transmission Output RPM SensorOn right side of transmission.

SENDING UNITS/SENSORS LOCATION

SOLENOIDS & SOLENOID VALVES

ComponentComponent Location
Air Control Valve (For Injectors)On front of intake manifold.
Brake Vacuum Dump ValveAbove brake pedal, on bracket.
Evaporative Emission (EVAP) Canister Purge Regulator ValveOn right side of engine compartment, near air cleaner assembly. (Схема №1)
Heat Regulating Valve (Left/Right)Integral with coolant pump.
Idle Air Control ValveAt top rear of engine. (Схема №1)
Intake Manifold Changeover ValveOn front of intake manifold. (Схема №1)
Shift Lock SolenoidBelow center console.

SOLENOIDS & SOLENOID VALVES LOCATION

SWITCHES

ComponentComponent Location
A/C Refrigerant Low Pressure SwitchAt left rear of engine compartment, on A/C line.
A/C Refrigerant High Pressure SwitchBelow left headlight, on A/C line.
Brake Fluid Level Warning SwitchOn brake fluid reservoir.
Brake Light SwitchAbove brake pedal, on bracket.
Center Vent Switch (Left)Behind upper left center of dash, on vent.
Center Vent Switch (Right)Behind upper right center of dash, on vent.
Central Locking System Activator/Switch (Left/Right)On respective front door lock cylinder, inside door.
Closed Throttle Position SwitchIntegral with throttle position sensor, on throttle body.
Coolant Fan Control Thermal SwitchAt lower right side of radiator. (Схема №1)
Door Contact Switch (4)On respective door latch mechanism, inside door.
Engine Coolant Level Warning SwitchAt bottom of coolant reservoir.
Hood Alarm SwitchOn right rear of engine compartment.
Kick Down SwitchIntegral with accelerator cable, near pedal cluster.
Left Seat Belt SwitchInside left front seat belt buckle.
Multifunction Transmission Range SwitchOn left side of transmission.
Oil Pressure SwitchOn right side of engine, below exhaust manifold. (Схема №1)
Parking Brake Warning Light SwitchBelow brake lever, in center console.
Trunk Lid Alarm SwitchIn trunk lid latch.
Trunk Lock Alarm/Central Locking SwitchOn trunk lock cylinder housing.
Windshield Washer Fluid Level Warning SwitchIntegral with washer pump motor, on washer fluid reservoir.

SWITCHES LOCATION

MISCELLANEOUS

ComponentComponent Location
Central Locking/Anti-Theft System Antenna WireAt left side of luggage compartment, near wheelwell.
Connector StationAt right wheelwell.
Coolant Fan Control Series ResistanceAt lower left front of engine compartment.
Electronic Tachograph (Chip Card Reader)In driver's side shelf box.
Horn (2)Behind left side of front bumper.
Ignition Coil (8)Above respective cylinder.
Navigation System (GPS) AntennaOn center of deck lid.
Navigation/Telephone SpeakerOn left "B" pillar, behind trim.
Plenum Chamber E-Box Connector StationIn plenum chamber E-box.
Power AntennaAt left side of luggage compartment.
Power Output Stage (1 & 2)At right side of engine compartment, near washer fluid reservoir cap. (Схема №1)
Radio/Telephone AntennaAt left side of luggage compartment.
Seat Belt Tensioner Ignitor (Left Front)At base of left "B" pillar, under carpet.
Seat Belt Tensioner Ignitor (Left Rear)Integral with seat belt reel, under left side of rear parcel shelf.
Seat Belt Tensioner Ignitor (Right Front)At base of right "B" pillar, under carpet.
Seat Belt Tensioner Ignitor (Right Rear)Integral with seat belt reel, under right side of rear parcel shelf.
Telematic Auxiliary AntennaIn rear bumper.
Telephone MicrophoneIn interior light assembly.
Telephone/Radio Antenna AmplifierAt left side of luggage compartment, near wheelwell.
Telephone Rod AntennaAt left side of luggage compartment, near wheelwell.
TV/Antenna Amplifier 1Behind upper right "D" window pillar trim.
TV/Antenna Amplifier 2Below right side of rear parcel shelf.
TV/Antenna Amplifier 3Behind upper left "D" window pillar trim.
TV/Antenna Amplifier 4Below left side of rear parcel shelf.

MISCELLANEOUS LOCATION

CONNECTORS

ComponentComponent Location
T6 (Brown, 6 Pin)On plenum chamber E-box connector station.
T6A (Violet, 6 Pin)On plenum chamber E-box connector station.
T6AB (6 Pin)Near inside rear view mirror.
T6B (Gray, 6 Pin)On connector station.
T6D (White, 6 Pin)On connector station.
T6E (Brown, 6 Pin)On plenum chamber E-box connector station.
T6I (Brown, 6 Pin)Behind steering column switch cover.
T6K (Green, 6 Pin)Below left front seat.
T6L (Green, 6 Pin)Below left front seat.
T6T (Red, 6 Pin)On connector station.
T8G (Black, 8 Pin)Behind steering column switch cover.
T8L (Black, 8 Pin)On transmission.
T10 (Blue, 10 Pin)On plenum chamber E-box connector station.
T10A (Black, 10 Pin)On plenum chamber E-box connector station.
T10B (Yellow, 10 Pin)On plenum chamber E-box connector station.
T10C (Green, 10 Pin)On plenum chamber E-box connector station.
T10D (Red, 10 Pin)On plenum chamber E-box connector station.
T10E (Green, 10 Pin)On connector station.
T10F (Violet, 10 Pin)On connector station.
T10G (Black, 10 Pin)Below center console, near gear shift lever.
T10H (Red, 10 Pin)On connector station.
T10I (Yellow, 10 Pin)In console.
T10K (Brown, 10 Pin)Below left front seat.
T10L (Brown, 10 Pin)Below right front seat.
T10R (Brown, 10 Pin)On connector station.
T10S (Black, 10 Pin)On connector station.
T10V (10 Pin)Behind left side of front bumper.
T10Z (Brown, 10 Pin)On plenum chamber E-box connector station.
T13 (Brown, 13 Pin)Behind steering column switch cover.
T14 (Violet, 14 Pin)Behind steering column switch cover.
T15 (Brown, 15 Pin)In console.

CONNECTORS LOCATION

GROUNDS

ComponentComponent Location
G12On left side of engine compartment.
G18On engine block.
G43Above right kick panel. (Схема №3)
G44Above left kick panel. (Схема №3)
G45Behind center of dash. (Схема №3)
G49Near fuel pump. (Схема №3)
G51On right side of luggage compartment. (Схема №3)
G59Near left taillight. (Схема №3)
G60Near right taillight. (Схема №3)
G75On right rear pillar, near filler neck. (Схема №3)
G79On filler neck.
G600On right cylinder head.
G601On left cylinder head.

GROUNDS LOCATION