80 L4-1984cc 2.0L SOHC (3A) (1989): Sensors and Switches

Also for this vehicle: 80 L5-2309cc 2.3L SOHC (NG) (1991), 80 Quattro L5-2309cc 2.3L SOHC (NG) (1988).

Diagnostics Maintenance Engine Transmission Brakes Electrical Steering & suspension Heating & A/C Body & interior

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01Relays and Modules Relays and Modules: Sections
02Sensors and Switches Sensors and Switches: Sections
- Sensors and Switches - Body and Frame47 pages
  - Power Door Lock Switch › Component Information › Diagrams15 pages
    Diagram Information and Instructions › General Information › Circuit Sections2 3
    Diagnostic Aids › Basic Electricity2 3 4 5 6 7 8 9 10 11 12
  - Power Mirror Switch › Component Information › Technical Service Bulletins2 pages
    Customer Interest for Power Mirror Switch: › 6689T04
    All Technical Service Bulletins for Power Mirror Switch: › 6689T04
  - Power Seat Switch › Component Information › Diagrams15 pages
    Diagram Information and Instructions › General Information › Circuit Sections2 3
    Diagnostic Aids › Basic Electricity2 3 4 5 6 7 8 9 10 11 12
  - Sunroof / Moonroof Switch › Component Information › Diagrams15 pages
    Diagram Information and Instructions › General Information › Circuit Sections2 3
    Diagnostic Aids › Basic Electricity2 3 4 5 6 7 8 9 10 11 12
- Sensors and Switches - Brakes and Traction Control41 pages
  - Brake Fluid Level Sensor/Switch › Component Information › Locations
  - Lateral Accelerometer › Component Information › Diagrams15 pages
    Diagram Information and Instructions › General Information › Circuit Sections2 3
    Diagnostic Aids › Basic Electricity2 3 4 5 6 7 8 9 10 11 12
  - Wheel Speed Sensor › Component Information25 pages
    Technical Service Bulletins8 pages
    Customer Interest: › 459104
    All Technical Service Bulletins for Wheel Speed Sensor: › 4591012 3 4
    All Other Service Bulletins for Wheel Speed Sensor: › 4591012 3
    Diagrams15 pages
    Diagram Information and Instructions › General Information › Circuit Sections2 3
    Diagnostic Aids › Basic Electricity2 3 4 5 6 7 8 9 10 11 12
    Service and Repair › Front Wheel Speed Sensors2
- Sensors and Switches - Cooling System58 pages
  - Coolant Level Sensor › Component Information16 pages
    Locations
    Diagrams15 pages
    Diagram Information and Instructions › General Information › Circuit Sections2 3
    Diagnostic Aids › Basic Electricity2 3 4 5 6 7 8 9 10 11 12
  - Engine - Coolant Temperature Sensor/Switch42 pages
    Coolant Temperature Sensor / Switch HVAC › Component Information › Specifications2 3
    EGR Thermo Switch <--> [Coolant Temperature Sensor/Switch (For Computer)] › Component Information21 pages
    Technical Service Bulletins6 pages
    Customer Interest for EGR Thermo Switch: › 2591092 3
    All Technical Service Bulletins for EGR Thermo Switch: › 2591092 3
    Diagrams15 pages
    Diagram Information and Instructions › General Information › Circuit Sections2 3
    Diagnostic Aids › Basic Electricity2 3 4 5 6 7 8 9 10 11 12
    Thermoswitch <--> [Radiator Cooling Fan Temperature Sensor / Switch] › Component Information18 pages
    Specifications3 pages
    Mechanical Specifications
    Pressure, Vacuum and Temperature Specifications › Thermoswitch Cutoff Temperature2
    Diagrams15 pages
    Diagram Information and Instructions › General Information › Circuit Sections2 3
    Diagnostic Aids › Basic Electricity2 3 4 5 6 7 8 9 10 11 12
- Sensors and Switches - Cruise Control › Cruise Control Switch › Component Information › Diagrams15 pages
  - Diagram Information and Instructions › General Information › Circuit Sections2 3
  - Diagnostic Aids › Basic Electricity2 3 4 5 6 7 8 9 10 11 12
- Sensors and Switches - Engine5 pages
  - Oil Pressure Sender › Component Information4 pages
    Technical Service Bulletins › Dynamic Oil Pressure System - Troubleshooting Tips2
    Locations › Oil Pressure Sensor2
  - Oil Temperature Sensor/Switch, Engine › Component Information › Locations
- Sensors and Switches - HVAC40 pages
  - Ambient Temperature Sensor / Switch HVAC › Component Information › Specifications2 3 4 5 6
  - Cabin Temperature Sensor / Switch › Component Information8 pages
    Specifications2 3 4 5 6
    Service and Repair › Instrument Panel Mounted › Temperature Sensor2
  - Coolant Temperature Sensor / Switch HVAC › Component Information › Specifications2 3
  - Refrigerant Pressure Sensor / Switch, HVAC17 pages
    High Pressure Sensor / Switch, HVAC › Component Information10 pages
    Specifications › Mechanical Specifications › A/C Refrigerant High Pressure Safety SW (For Compressor Clutch)2
    Locations › A/C High Pressure Switch2 3 4 5 6
    Description and Operation › A/C Refrigerant High Pressure Switch (-F23-)2
    A/C Low Pressure Switch <--> [Low Pressure Sensor / Switch, HVAC] › Component Information7 pages
    Specifications › Mechanical Specifications2
    Testing and Inspection › Component Test Method2 3 4 5
  - Throttle Full Open Switch HVAC › Component Information › Testing and Inspection › With 3 Speed Automatic Transmission2 3 4 5 6
- Sensors and Switches - Instrument Panel31 pages
  - Door Switch › Component Information › Technical Service Bulletins4 pages
    Customer Interest for Door Switch: › 9688T022
    All Technical Service Bulletins for Door Switch: › 9688T022
  - Fuel Gauge Sender › Component Information27 pages
    Technical Service Bulletins12 pages
    Customer Interest for Fuel Gauge Sender: › 2089012 3 4 5 6
    All Technical Service Bulletins for Fuel Gauge Sender: › 2089012 3 4 5 6
    Diagrams15 pages
    Diagram Information and Instructions › General Information › Circuit Sections2 3
    Diagnostic Aids › Basic Electricity2 3 4 5 6 7 8 9 10 11 12
- Sensors and Switches - Lighting and Horns15 pages
  - Backup Lamp Switch › Component Information › Locations › Gear Selector/Back-Up Light Switch (3-Speed Automatic Trans.)2
  - Brake Light Switch › Component Information › Technical Service Bulletins2 pages
    Customer Interest for Brake Light Switch: › 9489T02
    All Technical Service Bulletins for Brake Light Switch: › 9489T02
  - Door Switch › Component Information › Technical Service Bulletins4 pages
    Customer Interest for Door Switch: › 9688T022
    All Technical Service Bulletins for Door Switch: › 9688T022
  - Trunk Lamp Switch › Component Information › Technical Service Bulletins2 pages
    Customer Interest for Trunk Lamp Switch: › 9688T03
    All Technical Service Bulletins for Trunk Lamp Switch: › 9688T03
  - Turn Signal Switch › Component Information › Technical Service Bulletins5 pages
    Customer Interest: › 949101
    All Technical Service Bulletins: › 949101
    All Other Service Bulletins for Turn Signal Switch: › 1993032 3
    All Other Service Bulletins for Turn Signal Switch: › 199303
- Sensors and Switches - Powertrain Management252 pages
  - Sensors and Switches - Computers and Control Systems140 pages
    Air Flow Meter/Sensor › Component Information27 pages
    Technical Service Bulletins › Airflow Sensor Plate - Height Adjustment2
    Diagrams15 pages
    Diagram Information and Instructions › General Information › Circuit Sections2 3
    Diagnostic Aids › Basic Electricity2 3 4 5 6 7 8 9 10 11 12
    Testing and Inspection › Air Flow Sensor › Sensor Plate to Air Cone Clearance2 3 4 5
    Adjustments › Sensor Plate to Air Cone Clearance2 3 4 5
    Air Flow Sensor Plate Position Sensor › Component Information › Technical Service Bulletins › Electronic Control Unit - Improved Idle Quality
    Barometric Pressure Sensor › Component Information › Technical Service Bulletins6 pages
    Customer Interest: › 2592012
    All Technical Service Bulletins: › 2592012
    All Other Service Bulletins for Barometric Pressure Sensor: › 1390022
    All Other Service Bulletins for Barometric Pressure Sensor: › 139002
    EGR Thermo Switch <--> [Coolant Temperature Sensor/Switch (For Computer)] › Component Information21 pages
    Technical Service Bulletins6 pages
    All Technical Service Bulletins for EGR Thermo Switch: › 2591092 3
    Customer Interest for EGR Thermo Switch: › 2591092 3
    Diagrams15 pages
    Diagram Information and Instructions › General Information › Circuit Sections2 3
    Diagnostic Aids › Basic Electricity2 3 4 5 6 7 8 9 10 11 12
    Engine Speed Sensor › Component Information › Description and Operation2
    Ignition Hall Effect Sensor › Component Information › Description and Operation2 3
    Knock Sensor › Component Information26 pages
    Technical Service Bulletins9 pages
    All Technical Service Bulletins: › 2890032 3
    Customer Interest: › 2890032 3
    All Other Service Bulletins for Knock Sensor: › 0093072 3
    All Other Service Bulletins for Knock Sensor: › 009307
    Locations › Connector Locations2
    Diagrams15 pages
    Diagram Information and Instructions › General Information › Circuit Sections2 3
    Diagnostic Aids › Basic Electricity2 3 4 5 6 7 8 9 10 11 12
    Oxygen Sensor › Component Information19 pages
    Technical Service Bulletins › Oxygen Sensor - Contamination › Oxygen Sensor - Contamination2
    Locations › Connector Locations2
    Diagrams15 pages
    Diagram Information and Instructions › General Information › Circuit Sections2 3
    Diagnostic Aids › Basic Electricity2 3 4 5 6 7 8 9 10 11 12
    Throttle Full Close Switch › Component Information17 pages
    Locations2
    Diagrams15 pages
    Diagram Information and Instructions › General Information › Circuit Sections2 3
    Diagnostic Aids › Basic Electricity2 3 4 5 6 7 8 9 10 11 12
    Throttle Full Open Switch › Component Information17 pages
    Locations2
    Diagrams15 pages
    Diagram Information and Instructions › General Information › Circuit Sections2 3
    Diagnostic Aids › Basic Electricity2 3 4 5 6 7 8 9 10 11 12
    Vehicle Speed Sensor › Component Information › Locations
  - Sensors and Switches - Emission Control Systems › Emissions Maintenance Light Reset Switch/Connector › Component Information › Locations
  - Sensors and Switches - Fuel Delivery and Air Induction67 pages
    Air Flow Meter/Sensor › Component Information27 pages
    Technical Service Bulletins › Airflow Sensor Plate - Height Adjustment2
    Diagrams15 pages
    Diagram Information and Instructions › General Information › Circuit Sections2 3
    Diagnostic Aids › Basic Electricity2 3 4 5 6 7 8 9 10 11 12
    Testing and Inspection › Air Flow Sensor › Sensor Plate to Air Cone Clearance2 3 4 5
    Adjustments › Sensor Plate to Air Cone Clearance2 3 4 5
    Throttle Full Close Switch › Component Information17 pages
    Locations2
    Diagrams15 pages
    Diagram Information and Instructions › General Information › Circuit Sections2 3
    Diagnostic Aids › Basic Electricity2 3 4 5 6 7 8 9 10 11 12
    Throttle Full Open Switch › Component Information17 pages
    Locations2
    Diagrams15 pages
    Diagram Information and Instructions › General Information › Circuit Sections2 3
    Diagnostic Aids › Basic Electricity2 3 4 5 6 7 8 9 10 11 12
    Throttle Full Open Switch HVAC › Component Information › Testing and Inspection › With 3 Speed Automatic Transmission2 3 4 5 6
  - Sensors and Switches - Ignition System44 pages
    Hall Effect Sensor, Ignition › Component Information17 pages
    Locations2
    Diagrams15 pages
    Diagram Information and Instructions › General Information › Circuit Sections2 3
    Diagnostic Aids › Basic Electricity2 3 4 5 6 7 8 9 10 11 12
    Ignition Hall Effect Sensor › Component Information › Description and Operation2 3
    Ignition Switch › Ignition Switch Lock Cylinder › Component Information › Service and Repair
    Knock Sensor › Component Information23 pages
    Technical Service Bulletins6 pages
    Customer Interest for Knock Sensor: › 2890032 3
    All Technical Service Bulletins for Knock Sensor: › 2890032 3
    Locations › Connector Locations2
    Diagrams15 pages
    Diagram Information and Instructions › General Information › Circuit Sections2 3
    Diagnostic Aids › Basic Electricity2 3 4 5 6 7 8 9 10 11 12
- Sensors and Switches - Restraint Systems › Impact Sensor › Component Information › Technical Service Bulletins2 pages
  - Recalls for Impact Sensor: › NHTSA97V172000
  - All Technical Service Bulletins for Impact Sensor: › NHTSA97V172000
- Sensors and Switches - Starting and Charging3 pages
  - Ignition Switch › Ignition Switch Lock Cylinder › Component Information › Service and Repair
  - Neutral Safety Switch › Component Information › Technical Service Bulletins2 pages
    Customer Interest for Neutral Safety Switch: › 3789T02
    All Technical Service Bulletins for Neutral Safety Switch: › 3789T02
- Sensors and Switches - Transmission and Drivetrain › Sensors and Switches - A/T › Downshift Switch, A/T › Component Information › Locations2
- Sensors and Switches - Windows and Glass › Power Window Switch › Component Information17 pages
  - Locations › Front Door Window Switch and Motor2
  - Diagrams15 pages
    Diagram Information and Instructions › General Information › Circuit Sections2 3
    Diagnostic Aids › Basic Electricity2 3 4 5 6 7 8 9 10 11 12
- Sensors and Switches - Wiper and Washer Systems16 pages
  - Washer Fluid Level Switch › Component Information › Locations
  - Wiper Switch › Component Information › Diagrams15 pages
    Diagram Information and Instructions › General Information › Circuit Sections2 3
    Diagnostic Aids › Basic Electricity2 3 4 5 6 7 8 9 10 11 12
03Maintenance Maintenance: Sections
04Engine, Cooling and Exhaust Engine, Cooling and Exhaust: Sections
05Powertrain Management Powertrain Management: Sections
06Transmission and Drivetrain Transmission and Drivetrain: Sections
07Brakes and Traction Control Brakes and Traction Control: Sections
08Starting and Charging Starting and Charging: Sections
09Power and Ground Distribution Power and Ground Distribution: Sections
10Steering and Suspension Steering and Suspension: Sections
11Heating and Air Conditioning Heating and Air Conditioning: Sections
12Restraint Systems Restraint Systems: Sections
13Accessories and Optional Equipment Accessories and Optional Equipment: Sections
14Body and Frame Body and Frame: Sections
15Cruise Control Cruise Control: Sections
16Instrument Panel, Gauges and Warning Indicators Instrument Panel, Gauges and Warning Indicators: Sections
17Lighting and Horns Lighting and Horns: Sections
18Windows and Glass Windows and Glass: Sections
19Wiper and Washer Systems Wiper and Washer Systems: Sections