ELECTRICAL COMPONENT LOCATOR 1992 AUDI Electrical Component Location

Audi 80 1992 - BUZZERS, RELAYS & TIMERS

Audi 80 1992 BUZZERS, RELAYS & TIMERS LOCATION

Component	Location
ABS
Return Pump Relay	On ABS hydraulic control unit (large relay).
Solenoid Valve Relay	ABS hydraulic control unit (small relay).
System Relay	On auxiliary relay panel, position No. 1. See Fig. 1 .
A/C Clutch Control Relay	On auxiliary relay panel, position No. 4. See Fig. 1 .
A/C-Heater Blower Motor Relay	On main fuse/relay panel, position No. 6. See Fig. 2 .
A/T Inhibitor Relay	On main fuse/relay panel, position No. 8. See Fig. 2 .
Control Unit Relay	On auxiliary relay panel, position No. 16. See Fig. 1 .
Driver Seat Heater Control Relay	On auxiliary relay panel, position No. 14. See Fig. 1 .
Foglight Relay	On main fuse/relay panel, position No. 1. See Fig. 2 .
Front Light Control Unit Relay (With Auto-Check)	On auxiliary relay panel, position No. 6. See Fig. 1 .
Fuel Pump Relay	On main fuse/relay panel, position No. 10. See Fig. 2 .
Horn Relay	On main fuse/relay panel, position No. 7. See Fig. 2 .
Interior Light Control Relay	On auxiliary relay panel, position No. 3. See Fig. 1 .
Intermittent Wiper/Washer Relay	On main fuse/relay panel, position No. 9. See Fig. 2 .
Load Reduction Circuit Relay	On main fuse/relay panel, position No. 5. See Fig. 2 .
Passenger Seat Heater Control Relay	On auxiliary relay panel, position No. 13. See Fig. 1 .
Power Window & Sun Roof Relay	On auxiliary relay panel, position No. 15. See Fig. 1 .
Radiator Cooling Fan
After-Run Relay	On auxiliary relay panel, position No. 18. See Fig. 1 .
Low-Speed Relay	On main fuse/relay panel, position No. 11. See Fig. 2 .
High-Speed Relay	On main fuse/relay panel, position No. 2. See Fig. 2 .
Seat Belt Warning Relay	On auxiliary relay panel, position No. 2. See Fig. 1 .
Turn Signal/Hazard Flasher	Under dash, left of steering column. See Fig. 3 .
Upshift Relay	On main fuse/relay panel, position No. 3. See Fig. 2 .

Audi 80 1992 - CIRCUIT PROTECTION DEVICES

Audi 80 1992 CIRCUIT PROTECTION DEVICES LOCATION

Component	Location
Auxiliary Relay Panel	Behind left side of dash. See Fig. 3 .
Circuit Breaker: Power Seats & Memory Mirrors	On auxiliary relay panel, position No. 12. See Fig. 1 .
Main Fuse/Relay Panel	On left side of engine compartment.

Audi 80 1992 - CONTROL UNITS

Audi 80 1992 CONTROL UNITS LOCATION

Component	Location
ABS
Control Unit	Under left side of rear seat.
Triggering Unit	Behind center console.
Voltage Transformer Unit	Under left side of rear seat.
Anti-Theft Control Unit	On left side of trunk, behind access panel.
Blower Motor Control Unit	Behind right side of dash, near blower motor.
Board Computer (Auto-Check Module)	On back of instrument cluster. See Fig. 3 .
Cruise Control Unit	Behind right side of dash, above glove box. See Fig. 3 .
Differential Lock Control Unit	Under right side of rear seat.
Fuel Injection Control Unit	Behind A/C evaporator. See Fig. 3 .
Ignition Electronic Control Unit	Behind right kick panel. See Fig. 3 .
Power Seat Memory Control Unit	Under driver's seat. See Fig. 3 .
Rear Light Control Units
Input Control (White Connector)	On left side of trunk, behind access panel.
Output Control (Black Connector)	On left side of trunk, behind access panel.

Audi 80 1992 - SENDING UNITS & SENSORS

Audi 80 1992 SENDING UNITS & SENSORS LOCATION

Component	Location
ABS Wheel Speed Sensors	On each wheel hub.
A/C-Heater System
Instrument Panel Temperature Sensor	On top center of dash.
In-Vehicle Temperature Sensor	On front center of headliner, near dome light.
Outside Air Temperature Sensor	Under top right of dash, in A/C-heater fresh air inlet.
Airflow Sensor (Potentiometer)	On fuel distribution head. See Fig. 4 .
Altitude Sensor	Behind right front kick panel. See Fig. 3 .
Coolant Temperature Sending Unit	At front of cylinder head.
Cruise Control Speed Sensor	On back of speedometer.
Dual Temperature Sensor	On coolant flange housing.
Fuel Gauge Sending Unit	On top right side of fuel tank (accessible from trunk).
Knock Sensor	On left side of engine block. See Fig. 4 .
Oil Pressure Sending Unit	On lower left side of engine.
Oil Temperature Sensor	On lower right front of engine.
Vehicle Speed Sensor (VSS)	On left side of transmission, near drive axle flange.

Audi 80 1992 - MOTORS

Audi 80 1992 MOTORS LOCATION

Component	Location
ABS Hydraulic Control Motor	On left rear of engine compartment. See Fig. 4 .
A/C-Heater Blower Motor	Behind right side of dash.
Central Lock System Motor	On right side of trunk, behind access panel.
Electric Fuel Pump	Under vehicle.
Front Wiper Motor	On firewall.
Power Door Lock Motor	trunk, on right wheelwell.
Radiator Cooling Fan	On left side of radiator. See Fig. 4 .
Windshield Washer Motor	In washer reservoir.
Windshield Wiper Motor	On firewall, in engine compartment. See Fig. 4 .

Audi 80 1992 - SOLENOIDS & SOLENOID VALVES

Audi 80 1992 SOLENOIDS & SOLENOID VALVES LOCATION

Component	Location
Carbon Canister Frequency Valve	In canister purge hose, next to canister. See Fig. 4 .
Carbon Canister On-Off Valve	In canister purge hose, next to frequency valve. See Fig. 4 .
Cold Start Valve	In rear of intake manifold. See Fig. 4 .
Cruise Control Vacuum Vent Valves	On brake & clutch pedal.
Idle Stabilizer Valve	In air by-pass hose. See Fig. 4 .
Power Door Lock Control Solenoid	In left front door.

Audi 80 1992 - SWITCHES

Audi 80 1992 SWITCHES LOCATION

Component	Location
ABS Hydraulic Pressure Switch	On ABS hydraulic control unit.
A/C-Heater System
High Pressure Cut-Out Switch	A/C liquid line, near condenser (Red housing).
High Pressure Switch	A/C liquid line, near condenser (Yellow or Green housing).
Low Pressure Switch	On A/C low pressure line, behind right side of dash.
Temperature Switch	On rear of A/C-heater control panel.
Auto-Check System Thermoswitches (2)	On coolant hose housing, at cylinder head (2 & 4-wire).
Back-Up Light Switch (M/T)	On rear of transmission housing.
Back-Up/Neutral Start Switch (A/T)	On bracket, under A/T gearshift selector console.
Brake Fluid Level Warning Switch	In brake fluid reservoir. See Fig. 4 .
Brake/Stoplight Switch	On pedal bracket, at top of brake pedal.
Cold Start Thermoswitch	On rear of cylinder head.
Coolant Level Warning Switch	Bottom of coolant reservoir.
Engine Coolant Temperature Switch (Non-A/C)	On thermostat housing, at cylinder head. See Fig. 4 .
Idle Switch	On throttle linkage. See Fig. 4 .
Oil Pressure Switch	In engine block, ahead of oil dipstick.
Parking Brake Switch	At base of parking brake lever.
Radiator Cooling Fan
After-Run Switch	In front of intake manifold. See Fig. 4 .
Thermoswitch	On lower left side of radiator. See Fig. 4 .
Seat Belt Switch	In driver's seat belt buckle.
Thermo-Time Switch	At rear of cylinder head, below distributor.
Wide Open Throttle (WOT) Switch	On throttle linkage. See Fig. 4 .

Audi 80 1992 - MISCELLANEOUS

Audi 80 1992 MISCELLANEOUS LOCATION

Component	Location
Antenna Amplifier (Windshield)	In right side windshield pillar. See Fig. 3 .
Antenna Amplifier (Rear Window)	In trunk, below trunk latch.
Blower Motor Ballast Resistor	On blower housing.
Center Console Light Booster	Under dash, on right side of steering column. See Fig. 3 .
Diagnostic Connector	In fuse socket, on fuel pump relay.
Ignition Amplifier	On ignition coil bracket. See Fig. 4 .
Instrument Panel Light Booster	Behind left front of center console.
Instrument Panel Voltage Regulator	On right rear of instrument panel.
Radiator Cooling Fan Resistor	Behind left side of grille. See Fig. 4 .