944 S2 Coupe L4-2990cc 3.0L DOHC (1990): Powertrain Management

Also for this vehicle: 944 L4-2479cc 2.5L (1984), 944 L4-2681cc 2.7L (1989), 944 S L4-2479cc 2.5L DOHC (1987), 944 S2 Cabriolet L4-2990cc 3.0L DOHC (1991), 944 Turbo L4-2479cc 2.5L SOHC Turbo (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
03Maintenance Maintenance: Sections
04Engine, Cooling and Exhaust Engine, Cooling and Exhaust: Sections
05Powertrain Management Powertrain Management: Sections
- Relays and Modules - Powertrain Management45 pages
  - Relays and Modules - Computers and Control Systems23 pages
    Body Control Module › Component Information › Testing and Inspection › Diagnostic Trouble Code Descriptions
    Engine Control Module › Component Information8 pages
    Locations
    Diagrams › Diagram Information and Instructions2 3 4 5 6 7
    Knock Sensor Module › Component Information › Diagrams › Diagram Information and Instructions2 3 4 5 6 7
    Main Relay (Computer/Fuel System) › Component Information › Diagrams › Diagram Information and Instructions2 3 4 5 6 7
  - Relays and Modules - Fuel Delivery and Air Induction15 pages
    Fuel Pump Relay › Component Information › Diagrams › Diagram Information and Instructions2 3 4 5 6 7
    Main Relay (Computer/Fuel System) › Component Information › Diagrams › Diagram Information and Instructions2 3 4 5 6 7
    Turbocharger Coolant Pump Relay › Component Information › Locations
  - Relays and Modules - Ignition System › Ignition Control Module › Component Information › Diagrams › Diagram Information and Instructions2 3 4 5 6 7
- Sensors and Switches - Powertrain Management90 pages
  - Sensors and Switches - Computers and Control Systems58 pages
    Air Flow Meter/Sensor › Component Information9 pages
    Specifications2
    Diagrams › Diagram Information and Instructions2 3 4 5 6 7
    Camshaft Position Sensor › Component Information › Specifications2
    Coolant Temperature Sensor/Switch (For Computer) › Component Information › Specifications › Electrical Specifications2
    Crankshaft Position Sensor › Component Information4 pages
    Specifications › Electrical Specifications2
    Locations › Reference Mark Sensor2
    Exhaust Temperature Sensor › Component Information › Locations
    Engine Speed Sensor › Component Information11 pages
    Specifications › Electrical Specifications2
    Locations › Reference Mark Sensor2
    Diagrams › Diagram Information and Instructions2 3 4 5 6 7
    Intake Air Temperature Sensor › Component Information › Technical Service Bulletins6 pages
    All Technical Service Bulletins for Intake Air Temperature Sensor: › 19002 › Feb › 90 › Intake Manifold Temperature Switch - Not Functional2 3
    Customer Interest for Intake Air Temperature Sensor: › 19002 › Feb › 90 › Intake Manifold Temperature Switch - Not Functional2 3
    Knock Sensor › Component Information9 pages
    Specifications2
    Diagrams › Diagram Information and Instructions2 3 4 5 6 7
    Oxygen Sensor › Component Information11 pages
    Specifications › Electrical Specifications2
    Diagrams › Diagram Information and Instructions2 3 4 5 6 7
    Service and Repair › Maintenance Interval2
    Throttle Position Switch › Component Information › Locations2
    Vehicle Speed Sensor › Component Information › Locations
  - Sensors and Switches - Emission Control Systems2 pages
    Exhaust Temperature Sensor › Component Information › Locations
    Emissions Maintenance Light Reset Switch/Connector › Component Information › Service and Repair
  - Sensors and Switches - Fuel Delivery and Air Induction11 pages
    Air Flow Meter/Sensor › Component Information9 pages
    Specifications2
    Diagrams › Diagram Information and Instructions2 3 4 5 6 7
    Throttle Position Switch › Component Information › Locations2
  - Sensors and Switches - Ignition System19 pages
    Camshaft Position Sensor › Component Information › Specifications2
    Crankshaft Position Sensor › Component Information4 pages
    Specifications › Electrical Specifications2
    Locations › Reference Mark Sensor2
    Hall Effect Sensor, Ignition › Component Information › Description and Operation
    Ignition Switch › Ignition Switch Lock Cylinder › Component Information › Diagrams2 3
    Knock Sensor › Component Information9 pages
    Specifications2
    Diagrams › Diagram Information and Instructions2 3 4 5 6 7
- Tune-up and Engine Performance Checks24 pages
- Computers and Control Systems166 pages
  - Air Flow Meter/Sensor › Component Information9 pages
    Specifications2
    Diagrams › Diagram Information and Instructions2 3 4 5 6 7
  - Intake Air Temperature Sensor › Component Information › Technical Service Bulletins6 pages
    Customer Interest for Intake Air Temperature Sensor: › 19002 › Feb › 90 › Intake Manifold Temperature Switch - Not Functional2 3
    All Technical Service Bulletins for Intake Air Temperature Sensor: › 19002 › Feb › 90 › Intake Manifold Temperature Switch - Not Functional2 3
  - Body Control Module › Component Information › Testing and Inspection › Diagnostic Trouble Code Descriptions
  - Camshaft Position Sensor › Component Information › Specifications2
  - Exhaust Temperature Sensor › Component Information › Locations
  - Coolant Temperature Sensor/Switch (For Computer) › Component Information › Specifications › Electrical Specifications2
  - Crankshaft Position Sensor › Component Information4 pages
    Specifications › Electrical Specifications2
    Locations › Reference Mark Sensor2
  - Data Link Connector › Component Information › Locations
  - Engine Control Module › Component Information8 pages
    Locations
    Diagrams › Diagram Information and Instructions2 3 4 5 6 7
  - Engine Speed Sensor › Component Information11 pages
    Specifications › Electrical Specifications2
    Locations › Reference Mark Sensor2
    Diagrams › Diagram Information and Instructions2 3 4 5 6 7
  - Idle Speed/Throttle Actuator - Electronic › Component Information › Locations2 3
  - Knock Sensor › Component Information9 pages
    Specifications2
    Diagrams › Diagram Information and Instructions2 3 4 5 6 7
  - Knock Sensor Module › Component Information › Diagrams › Diagram Information and Instructions2 3 4 5 6 7
  - Main Relay (Computer/Fuel System) › Component Information › Diagrams › Diagram Information and Instructions2 3 4 5 6 7
  - Oxygen Sensor › Component Information11 pages
    Specifications › Electrical Specifications2
    Diagrams › Diagram Information and Instructions2 3 4 5 6 7
    Service and Repair › Maintenance Interval2
  - Relays and Modules - Computers and Control Systems23 pages
    Body Control Module › Component Information › Testing and Inspection › Diagnostic Trouble Code Descriptions
    Engine Control Module › Component Information8 pages
    Locations
    Diagrams › Diagram Information and Instructions2 3 4 5 6 7
    Knock Sensor Module › Component Information › Diagrams › Diagram Information and Instructions2 3 4 5 6 7
    Main Relay (Computer/Fuel System) › Component Information › Diagrams › Diagram Information and Instructions2 3 4 5 6 7
  - Sensors and Switches - Computers and Control Systems58 pages
    Air Flow Meter/Sensor › Component Information9 pages
    Specifications2
    Diagrams › Diagram Information and Instructions2 3 4 5 6 7
    Camshaft Position Sensor › Component Information › Specifications2
    Coolant Temperature Sensor/Switch (For Computer) › Component Information › Specifications › Electrical Specifications2
    Crankshaft Position Sensor › Component Information4 pages
    Specifications › Electrical Specifications2
    Locations › Reference Mark Sensor2
    Exhaust Temperature Sensor › Component Information › Locations
    Engine Speed Sensor › Component Information11 pages
    Specifications › Electrical Specifications2
    Locations › Reference Mark Sensor2
    Diagrams › Diagram Information and Instructions2 3 4 5 6 7
    Intake Air Temperature Sensor › Component Information › Technical Service Bulletins6 pages
    All Technical Service Bulletins for Intake Air Temperature Sensor: › 19002 › Feb › 90 › Intake Manifold Temperature Switch - Not Functional2 3
    Customer Interest for Intake Air Temperature Sensor: › 19002 › Feb › 90 › Intake Manifold Temperature Switch - Not Functional2 3
    Knock Sensor › Component Information9 pages
    Specifications2
    Diagrams › Diagram Information and Instructions2 3 4 5 6 7
    Oxygen Sensor › Component Information11 pages
    Specifications › Electrical Specifications2
    Diagrams › Diagram Information and Instructions2 3 4 5 6 7
    Service and Repair › Maintenance Interval2
    Throttle Position Switch › Component Information › Locations2
    Vehicle Speed Sensor › Component Information › Locations
  - Throttle Position Switch › Component Information › Locations2
  - Vehicle Speed Sensor › Component Information › Locations
- Emission Control Systems20 pages
  - Catalytic Converter › Exhaust Temperature Sensor › Component Information › Locations
  - Emissions Maintenance Light › Emissions Maintenance Light Reset Switch/Connector › Component Information › Service and Repair
  - Evaporative Emissions System › System Information9 pages
    Specifications2 3
    Description and Operation › W/ 3.0 Liter Non Turbo Engine2 3 4
    System Diagnosis › W/ 3.0 Liter Non Turbo Engine2
  - Positive Crankcase Ventilation › Component Information7 pages
    Locations
    Diagrams › W/ 3.0 Liter Non Turbo Engine2
    Description and Operation › W/ 3.0 Liter Non Turbo Engine2
    Testing and Inspection › W/ 3.0 Liter Non Turbo Engine2
  - Sensors and Switches - Emission Control Systems2 pages
    Exhaust Temperature Sensor › Component Information › Locations
    Emissions Maintenance Light Reset Switch/Connector › Component Information › Service and Repair
- Fuel Delivery and Air Induction93 pages
- Ignition System70 pages
  - Firing Order › Component Information › Specifications
  - Ignition Timing2 pages
    Number One Cylinder › Component Information › Locations
    Timing Marks and Indicators › System Information › Locations
  - Calibration Resistor / Connector, Ignition › Component Information › Locations
  - Camshaft Position Sensor › Component Information › Specifications2
  - Crankshaft Position Sensor › Component Information4 pages
    Specifications › Electrical Specifications2
    Locations › Reference Mark Sensor2
  - Distributor, Ignition5 pages
    Distributor Cap › Component Information › Specifications2 3
    Ignition Rotor › Component Information › Specifications2
  - Hall Effect Sensor, Ignition › Component Information › Description and Operation
  - Ignition Cable › Component Information › Description and Operation
  - Ignition Coil › Component Information9 pages
    Specifications2
    Diagrams › Diagram Information and Instructions2 3 4 5 6 7
  - Ignition Control Module › Component Information › Diagrams › Diagram Information and Instructions2 3 4 5 6 7
  - Knock Sensor › Component Information9 pages
    Specifications2
    Diagrams › Diagram Information and Instructions2 3 4 5 6 7
  - Relays and Modules - Ignition System › Ignition Control Module › Component Information › Diagrams › Diagram Information and Instructions2 3 4 5 6 7
  - Sensors and Switches - Ignition System19 pages
    Camshaft Position Sensor › Component Information › Specifications2
    Crankshaft Position Sensor › Component Information4 pages
    Specifications › Electrical Specifications2
    Locations › Reference Mark Sensor2
    Hall Effect Sensor, Ignition › Component Information › Description and Operation
    Ignition Switch › Ignition Switch Lock Cylinder › Component Information › Diagrams2 3
    Knock Sensor › Component Information9 pages
    Specifications2
    Diagrams › Diagram Information and Instructions2 3 4 5 6 7
  - Spark Plug › Component Information › Technical Service Bulletins › Spark Plugs - Install With Threads Clean and Dry2
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