90S Quattro (Canada) V6-2.8L (AAH) (1993): Powertrain Management

Also for this vehicle: 90 L5-2309cc 2.3L SOHC (NG) (1988), 90 Quattro 20V (Canada) L5-2309cc 2.3L DOHC (7A) (1989), 90 Quattro 20V L5-2309cc 2.3L DOHC (7A) (1990), 90 Quattro Sport V6-2.8L (AFC) (1995), 90CS Quattro V6-2.8L (AAH) (1994), 90CS Quattro V6-2.8L (AFC) (1995), 90S Quattro (Canada) V6-2.8L (AFC) (1995), 90S, CS V6-2.8L (AAH) (1994), 90S, CS V6-2.8L (AFC) (1995).

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

Choose Sections to see everything in a chapter, or a chapter title to start at its first page.

01Relays and Modules Relays and Modules: Sections
02Sensors and Switches Sensors and Switches: Sections
03Maintenance Maintenance: Sections
04Engine, Cooling and Exhaust Engine, Cooling and Exhaust: Sections
05Powertrain Management Powertrain Management: Sections
- Relays and Modules - Powertrain Management19 pages
  - Relays and Modules - Computers and Control Systems › Engine Control Module › Component Information13 pages
    Diagrams › Diagram Information and Instructions › How to Use Wiring Diagrams2 3 4 5 6 7 8
    Description and Operation › General2 3 4
    Testing and Inspection › Component Tests and General Diagnostics
  - Relays and Modules - Fuel Delivery and Air Induction › Fuel Pump Relay › Component Information › Locations2 3 4 5 6
- Sensors and Switches - Powertrain Management84 pages
  - Sensors and Switches - Computers and Control Systems49 pages
    Mass Air Flow Sensor <--> [Air Flow Meter/Sensor] › Component Information › Description and Operation2 3
    Camshaft Position Sensor › Component Information › Locations2 3 4
    Coolant Temperature Sensor/Switch (For Computer) › Component Information › Specifications2 3 4
    Crankshaft Position Sensor › Component Information › Specifications2 3 4 5
    Engine Speed Sensor › Component Information › Specifications2 3 4 5 6 7 8 9
    Knock Sensor › Component Information › Technical Service Bulletins › Knock Sensor - Torque Specification Revised
    Heated Oxygen Sensor <--> [Oxygen Sensor] › Component Information › Technical Service Bulletins › Oxygen Sensor - Contamination › Oxygen Sensor - Contamination2
    Closed Throttle Position Switch <--> [Throttle Full Close Switch] › Component Information › Specifications2 3 4 5 6 7
    Throttle Position Sensor › Component Information7 pages
    Specifications2
    Description and Operation › Throttle Position Sensor2
    Testing and Inspection › Throttle Position Sensor2 3
    Transmission Position Switch/Sensor, A/T › Component Information › Description and Operation
    Vehicle Speed Sensor › Component Information6 pages
    Description and Operation
    Testing and Inspection › Checking Vehicle Speed Signal2 3 4 5
  - Sensors and Switches - Emission Control Systems › EGR Temperature Sensor › Component Information › Specifications2 3 4
  - Sensors and Switches - Fuel Delivery and Air Induction18 pages
    Mass Air Flow Sensor <--> [Air Flow Meter/Sensor] › Component Information › Description and Operation2 3
    Closed Throttle Position Switch <--> [Throttle Full Close Switch] › Component Information › Specifications2 3 4 5 6 7
    Throttle Full Open Switch HVAC › Component Information › Description and Operation
    Throttle Position Sensor › Component Information7 pages
    Specifications2
    Description and Operation › Throttle Position Sensor2
    Testing and Inspection › Throttle Position Sensor2 3
  - Sensors and Switches - Ignition System13 pages
    Camshaft Position Sensor › Component Information › Locations2 3 4
    Crankshaft Position Sensor › Component Information › Specifications2 3 4 5
    Ignition Switch › Ignition Switch Lock Cylinder › Component Information › Service and Repair2 3
    Knock Sensor › Component Information › Technical Service Bulletins › Knock Sensor - Torque Specification Revised
- Tune-up and Engine Performance Checks26 pages
- Computers and Control Systems140 pages
  - A/C Compressor Signal <--> [A/C Signal] › Component Information4 pages
    Description and Operation
    Testing and Inspection › A/C Compressor Cut-Out Signal2 3
  - Mass Air Flow Sensor <--> [Air Flow Meter/Sensor] › Component Information › Description and Operation2 3
  - Camshaft Position Sensor › Component Information › Locations2 3 4
  - Coolant Temperature Sensor/Switch (For Computer) › Component Information › Specifications2 3 4
  - Crankshaft Position Sensor › Component Information › Specifications2 3 4 5
  - Data Link Connector › Component Information4 pages
    Locations
    Description and Operation › Signal Description › Blink Code Output Signal2 3
  - Engine Control Module › Component Information13 pages
    Diagrams › Diagram Information and Instructions › How to Use Wiring Diagrams2 3 4 5 6 7 8
    Description and Operation › General2 3 4
    Testing and Inspection › Component Tests and General Diagnostics
  - Engine Speed Sensor › Component Information › Specifications2 3 4 5 6 7 8 9
  - Idle Air Control Valve <--> [Idle Speed/Throttle Actuator - Electronic] › Component Information › Specifications2 3 4 5
  - Knock Sensor › Component Information › Technical Service Bulletins › Knock Sensor - Torque Specification Revised
  - Malfunction Indicator Lamp › Component Information › Locations2 3
  - Heated Oxygen Sensor <--> [Oxygen Sensor] › Component Information › Technical Service Bulletins › Oxygen Sensor - Contamination › Oxygen Sensor - Contamination2
  - Relays and Modules - Computers and Control Systems › Engine Control Module › Component Information13 pages
    Diagrams › Diagram Information and Instructions › How to Use Wiring Diagrams2 3 4 5 6 7 8
    Description and Operation › General2 3 4
    Testing and Inspection › Component Tests and General Diagnostics
  - Sensors and Switches - Computers and Control Systems49 pages
    Mass Air Flow Sensor <--> [Air Flow Meter/Sensor] › Component Information › Description and Operation2 3
    Camshaft Position Sensor › Component Information › Locations2 3 4
    Coolant Temperature Sensor/Switch (For Computer) › Component Information › Specifications2 3 4
    Crankshaft Position Sensor › Component Information › Specifications2 3 4 5
    Engine Speed Sensor › Component Information › Specifications2 3 4 5 6 7 8 9
    Knock Sensor › Component Information › Technical Service Bulletins › Knock Sensor - Torque Specification Revised
    Heated Oxygen Sensor <--> [Oxygen Sensor] › Component Information › Technical Service Bulletins › Oxygen Sensor - Contamination › Oxygen Sensor - Contamination2
    Closed Throttle Position Switch <--> [Throttle Full Close Switch] › Component Information › Specifications2 3 4 5 6 7
    Throttle Position Sensor › Component Information7 pages
    Specifications2
    Description and Operation › Throttle Position Sensor2
    Testing and Inspection › Throttle Position Sensor2 3
    Transmission Position Switch/Sensor, A/T › Component Information › Description and Operation
    Vehicle Speed Sensor › Component Information6 pages
    Description and Operation
    Testing and Inspection › Checking Vehicle Speed Signal2 3 4 5
  - Closed Throttle Position Switch <--> [Throttle Full Close Switch] › Component Information › Specifications2 3 4 5 6 7
  - Throttle Position Sensor › Component Information7 pages
    Specifications2
    Description and Operation › Throttle Position Sensor2
    Testing and Inspection › Throttle Position Sensor2 3
  - Transmission Position Switch/Sensor, A/T › Component Information › Description and Operation
  - Vehicle Speed Sensor › Component Information6 pages
    Description and Operation
    Testing and Inspection › Checking Vehicle Speed Signal2 3 4 5
- Emission Control Systems27 pages
- Fuel Delivery and Air Induction157 pages
  - Fuel Pressure › System Information › Specifications2 3
  - Fuel Pressure Release › System Information › Service and Repair
  - Idle Speed › System Information › Specifications2
  - Air/Fuel Mixture › System Information › Specifications2 3 4 5
  - Air Cleaner Housing › Component Information › Locations
  - Mass Air Flow Sensor <--> [Air Flow Meter/Sensor] › Component Information › Description and Operation2 3
  - Fuel › Component Information › Specifications
  - Fuel Filter › Fuel Pressure Release › System Information › Service and Repair
  - Fuel Injector › Component Information63 pages
    Technical Service Bulletins56 pages
    Recalls for Fuel Injector:28 pages
    RCKS21 pages
    Mar14 pages
    99 › Campaign - Fuel Injector Replacement › Campaign - Fuel Injector Replacement2 3 4 5 6 7
    Campaign - Fuel Injector Replacement › Campaign - Fuel Injector Replacement2 3 4 5 6 7
    Campaign - Fuel Injector Replacement › Campaign - Fuel Injector Replacement2 3 4 5 6 7
    Campaign - Fuel Injector Replacement › Campaign - Fuel Injector Replacement2 3 4 5 6 7
    All Technical Service Bulletins for Fuel Injector:28 pages
    RCKS21 pages
    Mar14 pages
    99 › Campaign - Fuel Injector Replacement › Campaign - Fuel Injector Replacement2 3 4 5 6 7
    Campaign - Fuel Injector Replacement › Campaign - Fuel Injector Replacement2 3 4 5 6 7
    Campaign - Fuel Injector Replacement › Campaign - Fuel Injector Replacement2 3 4 5 6 7
    Campaign - Fuel Injector Replacement › Campaign - Fuel Injector Replacement2 3 4 5 6 7
    Specifications › Electrical Specifications2
    Testing and Inspection › Electrical Checks2 3 4 5
  - Fuel Pressure Regulator › Component Information › Locations2 3
  - Fuel Pump9 pages
    Fuel Pressure › System Information › Specifications2 3
    Fuel Pump Relay › Component Information › Locations2 3 4 5 6
  - Fuel Rail › Component Information › Locations2
  - Fuel Return Line › Component Information › Diagrams
  - Fuel Supply Line › Component Information › Diagrams2
  - Fuel Tank › Fuel Gauge Sender › Component Information › Diagrams › Diagram Information and Instructions › How to Use Wiring Diagrams2 3 4 5 6 7 8
  - Fuel Tank Unit › Component Information › Tools and Equipment
  - Idle Air Control Valve <--> [Idle Speed/Throttle Actuator - Electronic] › Component Information › Specifications2 3 4 5
  - Relays and Modules - Fuel Delivery and Air Induction › Fuel Pump Relay › Component Information › Locations2 3 4 5 6
  - Sensors and Switches - Fuel Delivery and Air Induction18 pages
    Mass Air Flow Sensor <--> [Air Flow Meter/Sensor] › Component Information › Description and Operation2 3
    Closed Throttle Position Switch <--> [Throttle Full Close Switch] › Component Information › Specifications2 3 4 5 6 7
    Throttle Full Open Switch HVAC › Component Information › Description and Operation
    Throttle Position Sensor › Component Information7 pages
    Specifications2
    Description and Operation › Throttle Position Sensor2
    Testing and Inspection › Throttle Position Sensor2 3
  - Closed Throttle Position Switch <--> [Throttle Full Close Switch] › Component Information › Specifications2 3 4 5 6 7
  - Throttle Full Open Switch HVAC › Component Information › Description and Operation
  - Throttle Position Sensor › Component Information7 pages
    Specifications2
    Description and Operation › Throttle Position Sensor2
    Testing and Inspection › Throttle Position Sensor2 3
  - Variable Induction System7 pages
    Intake Manifold Change-Over Vacuum Servo <--> [Variable Induction Control Actuator] › Component Information › Locations2
    Intake Manifold Change-Over Valve <--> [Variable Induction Control Valve] › Component Information › Specifications2 3 4 5
- Ignition System42 pages
- Transmission Control Systems3 pages
  - Actuators and Solenoids - Transmission and Drivetrain › Actuators and Solenoids - A/T › Shift Interlock Solenoid › Component Information › Technical Service Bulletins2 pages
    Customer Interest for Shift Interlock Solenoid: › 379601
    All Technical Service Bulletins for Shift Interlock Solenoid: › 379601
  - Sensors and Switches - Transmission and Drivetrain › Sensors and Switches - A/T › Transmission Position Switch/Sensor, A/T › Component Information › Description and Operation
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