ELECTRICAL COMPONENT LOCATOR 1993 ELECTRICAL COMPONENT LOCATION Audi Electrical Components

Audi 100 CS Quattro 1993 - BUZZERS, RELAYS & TIMERS

Audi 100 CS Quattro 1993 BUZZERS, RELAYS & TIMERS LOCATION

Component	Location
ABS Relay	In auxiliary relay station No. 2.
A/C Relay	In auxiliary relay station No. 1.
Automatic Seat Power Relay	Under right side of driver's seat.
Cooling Fan Relay	In auxiliary relay station No. 1.
Cruise Control Relay	Under dash, near cruise control unit.
Fuel Pump Relay	In central electric panel.
Horn Relay	In central electric panel.
Power Sun Roof Relay	In left front corner of sun roof.
Seat Belt Warning Buzzer	Under left side of dash.
Shift Lock Relay	In auxiliary relay station No. 2.
Starter/Back-Up Light Relay	In central electric panel.
Sunroof Relay	In auxiliary relay station No. 2.
Turn Signal/Hazard Flasher	Behind left side of dash.
Windshield Wiper Relay	In central electric panel.

Audi 100 CS Quattro 1993 CIRCUIT PROTECTION DEVICES LOCATION

Component	Location
Auxiliary Relay Stations
No. 1
Engine Compartment	In left rear of engine compartment. See Fig. 1 .
Passenger Compartment	In left rear of engine compartment. See Fig. 2 .
No. 2	Behind left kick panel. See Fig. 2 .
No. 3	Behind right kick panel. See Fig. 2 .
Central Electric Station	Under left side of dash. See Fig. 2 .
Circuit Breakers
Anti-Theft Alarm	In auxiliary relay station No. 1.
Central Locking	In auxiliary relay station No. 1.
Fuel Injectors (Red)	In electronic control box, under passenger-side footwell.
Ignition Coil (Yellow)	In electronic control box, under passenger-side footwell.
Mass Airflow Sensor (Black)	In electronic control box, under passenger-side fottwell.
Oxygen Sensor Heater (Brown)	In electronic control box, under passenger-side footwell.
Power Windows	In auxiliary relay station No. 2.
Sunroof	In auxiliary relay station No. 2.
Fuse Block	Under left side of dash. See Fig. 2 .

Audi 100 CS Quattro 1993 CONTROL UNITS LOCATION

Component	Location
ABS Control Unit	Under left rear passenger seat.
A/C Blower Control Unit	On right side of A/C evaporator housing.
A/C Control Unit	In center of dash.
A/T Control Unit	In electronic control box, under passenger-side footwell. See Fig. 2 .
Automatic Seat Control Unit	Under driver seat.
Cruise Control Unit	Behind glove box, on right side of dash.
Electronic Control Module (ECM)	In electronic control box, under passenger-side footwell. See Fig. 2 .
Power Window/Sun Roof Control Units (2)	In auxiliary relay station No. 2.
Rear Differential Lock Control Unit	Under center of rear seat.
Shift Lock Control Unit	In auxiliary relay station No. 1.
Taillight Control Unit	On left side of trunk, near antenna.

Audi 100 CS Quattro 1993 SENDING UNITS & SENSORS LOCATION

Component	Location
ABS Speed Sensors	On each wheel.
A/C-Heater
Ambient Temperature Sensor	Near hood latch, in evaporator plenum.
In-Car Temperature Sensors (2)	On top center of dash and next to dome light.
Air Bag Triggering Sensor	On center console floorboard.
Brake Pad Wear Sensor	On each inboard brake pad.
Coolant Temperature Sensor	On coolant flange, behind left cylinder head. See Fig. 1 .
Cruise Control Speed Sensor	Behind speedometer assembly.
EGR Temperature Sensor	On left top rear of engine. See Fig. 1 .
Engine RPM Sensor	On left side of transmission bellhousing. See Fig. 1 .
Ignition Timing Sensor	On left side of engine. See Fig. 1 .
Knock Sensors	On left and right side of engine block. See Fig. 1 .
Low Brake Fluid Sensor	In master cylinder reservoir cap.
Pressure Sensor	In electronic box, under passenger-side footwell.

Audi 100 CS Quattro 1993 MOTORS LOCATION

Component	Location
A/C Temperature Regulation Servo	Above transmission tunnel, in footwell.
A/C Temp. Sensor Fan Motor	Next to dash A/C temperature sensor.
Fuel Pump Motor	Under right side of vehicle, near fuel tank.
Wiper Motor	In firewall tray, on left side.

Audi 100 CS Quattro 1993 SOLENOIDS & SOLENOID VALVES LOCATION

Component	Location
Charcoal Canister Shutoff Valve	On top of charcoal canister.
Idle Stabilization Valve	In air by-pass hose.

Audi 100 CS Quattro 1993 SWITCHES LOCATION

Component	Location
A/C-Heater
High Pressure Switch	In A/C high pressure line.
Kickdown Switch (A/T)	Under accelerator pedal.
Low Pressure Switch	In A/C low pressure line, between evaporator and accumulator.
Back-Up Light Switch
A/T	On gearshift selector bracket.
M/T	On right side of gearshift housing.
Brake/Cruise Switch	On bracket, at top of brake pedal.
Clutch/Cruise Switch	On bracket, at top of clutch pedal.
Idle Switch	On throttle body.
Longitudinal Acceleration Switch (ABS)	Under rear seat.
Neutral Start Switch	On gearshift selector bracket.
Oil Pressure Switch	On side of engine block, next to oil dipstick.
Parking Brake Switch	Below parking brake lever.
Throttle Valve Potentiometer Switch	On throttle body.

Audi 100 CS Quattro 1993 MISCELLANEOUS LOCATION

Component	Location
Blower Motor Resistor	On blower housing.
Data Link Connector (DLC)	In auxiliary relay station No. 1.
Electronic Control Box	Under carpet, on passenger-side footwell. See Fig. 2 .