900 L4-1985cc 2.0L (1982): Powertrain Management

Also for this vehicle: 900 L4-1985cc 2.0L DOHC (1986), 900 L4-1985cc 2.0L DOHC Turbo EFI (1985), 900 L4-1985cc 2.0L SOHC (1988), 900 L4-1985cc 2.0L SOHC Turbo VIN S FI (1984), 900 L4-2118cc 2.1L DOHC (1992), 900 S Convertible L4-2290cc 2.3L DOHC (1996), 900 S Convertible L4-2290cc 2.3L DOHC EFI (1997), 900 S Coupe L4-1985cc 2.0L DOHC Turbo EFI (1998), 900 S Coupe L4-2290cc 2.3L DOHC (1995), 900 S Hatchback L4-2290cc 2.3L DOHC EFI (1997), 900 S Sedan L4-2290cc 2.3L DOHC (1994), 900 S Sedan V6-2498cc 2.5L DOHC (1995), 900 SE Convertible L4-1985cc 2.0L DOHC Turbo EFI (1998), 900 SE Convertible V6-2489cc 2.5L DOHC EFI (1997), 900 SE Convertible V6-2498cc 2.5L DOHC (1995), 900 SE Hatchback L4-1985cc 2.0L DOHC Turbo EFI (1997), 900 SE Sedan L4-1985cc 2.0L DOHC Turbo EFI (1996), 900 SE Sedan V6-2498cc 2.5L DOHC (1995), 900 Turbo Convertible L4-1985cc 2.0L DOHC Turbo EFI (1994).

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 Management24 pages
- Sensors and Switches - Powertrain Management63 pages
  - Sensors and Switches - Computers and Control Systems33 pages
    Air Flow Meter/Sensor › Component Information9 pages
    Specifications2 3
    Testing and Inspection › Plate Clearance2 3 4
    Service and Repair › Lever-Adjustment Arm & Sensor Plate, Replace2
    Coolant Temperature Sensor/Switch (For Computer) › Component Information5 pages
    Technical Service Bulletins › Engine - Cold Start Driveability Kit2 3
    Description and Operation › 45/38 Degree2
    Engine Speed Sensor › Component Information › Locations
    Engine Temperature Sensor › Component Information › Locations
    Idle Speed Motor Position Sensor › Component Information › Locations › Idle Speed Adjust Motor2
    Knock Sensor › Component Information4 pages
    Technical Service Bulletins › Knock Detector - Proper Installation2
    Locations › APC/EZK Knock Sensor2
    Oxygen Sensor › Component Information5 pages
    Technical Service Bulletins › Lambda Sensor - Using ISAT to Check Pulse Ratio
    Description and Operation › System Description2
    Service and Repair › Maintenance Interval2
    Throttle Position Sensor › Component Information4 pages
    Locations › Throttle Angle Transmitter, LH System2
    Description and Operation › Non-Turbo2
    Throttle Position Switch › Component Information › Testing and Inspection
    Vehicle Speed Sensor › Component Information › Locations
  - Sensors and Switches - Emission Control Systems › Emissions Maintenance Light Reset Switch/Connector › Component Information › Locations2
  - Sensors and Switches - Fuel Delivery and Air Induction21 pages
    Air Flow Meter/Sensor › Component Information9 pages
    Specifications2 3
    Testing and Inspection › Plate Clearance2 3 4
    Service and Repair › Lever-Adjustment Arm & Sensor Plate, Replace2
    Idle Speed Motor Position Sensor › Component Information › Locations › Idle Speed Adjust Motor2
    Overboost Switch › Component Information › Diagrams
    Thermo Time Switch › Component Information › Locations › Temperature Time Switch2
    Throttle Position Sensor › Component Information4 pages
    Locations › Throttle Angle Transmitter, LH System2
    Description and Operation › Non-Turbo2
    Throttle Position Switch › Component Information › Testing and Inspection
    Turbo Boost Sensor › Component Information › Locations2
  - Sensors and Switches - Ignition System7 pages
    Hall Effect Sensor, Ignition › Component Information › Description and Operation
    Ignition Switch › Ignition Switch Lock Cylinder › Component Information › Service and Repair › Lock Barrel2
    Knock Sensor › Component Information4 pages
    Technical Service Bulletins › Knock Detector - Proper Installation2
    Locations › APC/EZK Knock Sensor2
- Tune-up and Engine Performance Checks25 pages
- Computers and Control Systems105 pages
  - Speed Relay (Turbo Only) <--> [Acceleration Enrichment Module] › Component Information › Description and Operation
  - Air Flow Meter/Sensor › Component Information9 pages
    Specifications2 3
    Testing and Inspection › Plate Clearance2 3 4
    Service and Repair › Lever-Adjustment Arm & Sensor Plate, Replace2
  - Auxiliary Air Valve (Idle Speed) › Component Information › Technical Service Bulletins › Automatic Idle Control Valve - Troubleshooting2 3
  - Boost Solenoid, Turbocharger › Component Information › Locations
  - Coolant Temperature Sensor/Switch (For Computer) › Component Information5 pages
    Technical Service Bulletins › Engine - Cold Start Driveability Kit2 3
    Description and Operation › 45/38 Degree2
  - Diagnostic Mode Switch/Connector › Component Information › Locations › Timing Service Instrument (Tsi) Socket2
  - Engine Control Module › Component Information › Locations › LH Fuel System Control Unit2 3
  - Engine Speed Sensor › Component Information › Locations
  - Engine Temperature Sensor › Component Information › Locations
  - Lambda Control Unit <--> [Feedback Control Module] › Component Information › Locations2 3 4 5
  - Frequency Valve, CIS Fuel Injection › Component Information › Locations2 3
  - Deceleration Fuel Cut Relay <--> [Fuel Cut Control Unit] › Component Information › Description and Operation2
  - Idle Speed Motor Position Sensor › Component Information › Locations › Idle Speed Adjust Motor2
  - Idle Up Control Valve › Component Information › Locations › Idle Increase Solenoid Valve2
  - Knock Sensor › Component Information4 pages
    Technical Service Bulletins › Knock Detector - Proper Installation2
    Locations › APC/EZK Knock Sensor2
  - Main Relay (Computer/Fuel System) › Component Information › Locations
  - Oxygen Sensor › Component Information5 pages
    Technical Service Bulletins › Lambda Sensor - Using ISAT to Check Pulse Ratio
    Description and Operation › System Description2
    Service and Repair › Maintenance Interval2
  - Oxygen Sensor Relay › Component Information › Locations2
  - Relays and Modules - Computers and Control Systems14 pages
    Speed Relay (Turbo Only) <--> [Acceleration Enrichment Module] › Component Information › Description and Operation
    Engine Control Module › Component Information › Locations › LH Fuel System Control Unit2 3
    Lambda Control Unit <--> [Feedback Control Module] › Component Information › Locations2 3 4 5
    Deceleration Fuel Cut Relay <--> [Fuel Cut Control Unit] › Component Information › Description and Operation2
    Main Relay (Computer/Fuel System) › Component Information › Locations
    Oxygen Sensor Relay › Component Information › Locations2
  - Sensors and Switches - Computers and Control Systems33 pages
    Air Flow Meter/Sensor › Component Information9 pages
    Specifications2 3
    Testing and Inspection › Plate Clearance2 3 4
    Service and Repair › Lever-Adjustment Arm & Sensor Plate, Replace2
    Coolant Temperature Sensor/Switch (For Computer) › Component Information5 pages
    Technical Service Bulletins › Engine - Cold Start Driveability Kit2 3
    Description and Operation › 45/38 Degree2
    Engine Speed Sensor › Component Information › Locations
    Engine Temperature Sensor › Component Information › Locations
    Idle Speed Motor Position Sensor › Component Information › Locations › Idle Speed Adjust Motor2
    Knock Sensor › Component Information4 pages
    Technical Service Bulletins › Knock Detector - Proper Installation2
    Locations › APC/EZK Knock Sensor2
    Oxygen Sensor › Component Information5 pages
    Technical Service Bulletins › Lambda Sensor - Using ISAT to Check Pulse Ratio
    Description and Operation › System Description2
    Service and Repair › Maintenance Interval2
    Throttle Position Sensor › Component Information4 pages
    Locations › Throttle Angle Transmitter, LH System2
    Description and Operation › Non-Turbo2
    Throttle Position Switch › Component Information › Testing and Inspection
    Vehicle Speed Sensor › Component Information › Locations
  - Throttle Position Sensor › Component Information4 pages
    Locations › Throttle Angle Transmitter, LH System2
    Description and Operation › Non-Turbo2
  - Throttle Position Switch › Component Information › Testing and Inspection
  - Vehicle Speed Sensor › Component Information › Locations
- Emission Control Systems27 pages
- Fuel Delivery and Air Induction122 pages
  - Fuel Pressure › System Information6 pages
    Specifications › Fuel Pressure; CIS Specifications2
    System Diagnosis › Leakage Test2 3 4
  - Fuel Pressure Release › System Information › Service Precautions2
  - Idle Speed › System Information › Specifications2
  - Air/Fuel Mixture › System Information › Adjustments
  - Air Cleaner Housing › Air Filter Element › Component Information › Service and Repair
  - Air Flow Meter/Sensor › Component Information9 pages
    Specifications2 3
    Testing and Inspection › Plate Clearance2 3 4
    Service and Repair › Lever-Adjustment Arm & Sensor Plate, Replace2
  - Auxiliary Air Valve (Idle Speed) › Component Information › Technical Service Bulletins › Automatic Idle Control Valve - Troubleshooting2 3
  - Carburetor › Needle And Seat, Carburetor › Component Information › Locations
  - Cold Start Injector › Cold Start Relay › Component Information › Locations › Time-Delay Relay2
  - Cold Start Solenoid (For Injection Pump) › Component Information › Technical Service Bulletins2 pages
    All Technical Service Bulletins for Cold Start Solenoid (For Injection Pump): › 0483627 › Apr › 83 › Fuel System - Pronounced Jerks, Charge Pressure Too High
    Customer Interest for Cold Start Solenoid (For Injection Pump): › 0483627 › Apr › 83 › Fuel System - Pronounced Jerks, Charge Pressure Too High
  - Fuel › Component Information › Technical Service Bulletins › Fuel System - TOP TIER Detergent Gasoline2
  - Fuel Accumulator › Component Information › Description and Operation2
  - Fuel Distributor › Component Information › Description and Operation2 3
  - Fuel Filler Cap › Component Information › Technical Service Bulletins8 pages
    Customer Interest for Fuel Filler Cap: › 0684691 › Jun › 84 › Engine - Occasional `Jolt' While Driving2 3 4
    All Technical Service Bulletins for Fuel Filler Cap: › 0684691 › Jun › 84 › Engine - Occasional `Jolt' While Driving2 3 4
  - Fuel Filter › Fuel Pressure Release › System Information › Service Precautions2
  - Fuel Injector › Component Information › Locations2 3
  - Fuel Pressure Control Solenoid › Component Information › Technical Service Bulletins2 pages
    All Technical Service Bulletins for Fuel Pressure Control Solenoid: › 0483627 › Apr › 83 › Fuel System - Pronounced Jerks, Charge Pressure Too High
    Customer Interest for Fuel Pressure Control Solenoid: › 0483627 › Apr › 83 › Fuel System - Pronounced Jerks, Charge Pressure Too High
  - Fuel Pressure Regulator › Component Information › Technical Service Bulletins › Warm Up Regulator - Revised
  - Fuel Pump7 pages
    Fuel Pressure › System Information6 pages
    Specifications › Fuel Pressure; CIS Specifications2
    System Diagnosis › Leakage Test2 3 4
    Fuel Pump Relay › Component Information › Locations
  - Fuel Shut-off Solenoid › Component Information › Locations › Fuel Shut-Off Valve2
  - Fuel Tank11 pages
    Fuel Filler Neck › Component Information › Technical Service Bulletins8 pages
    Customer Interest for Fuel Filler Neck: › 0684691 › Jun › 84 › Engine - Occasional `Jolt' While Driving2 3 4
    All Technical Service Bulletins for Fuel Filler Neck: › 0684691 › Jun › 84 › Engine - Occasional `Jolt' While Driving2 3 4
    Fuel Gauge Sender › Component Information › Technical Service Bulletins › Fuel Level Transmitter - Adapter Kit2 3
  - Idle Speed Motor Position Sensor › Component Information › Locations › Idle Speed Adjust Motor2
  - Idle Up Control Valve › Component Information › Locations › Idle Increase Solenoid Valve2
  - Main Relay (Computer/Fuel System) › Component Information › Locations
  - Relays and Modules - Fuel Delivery and Air Induction5 pages
    Cold Start Relay › Component Information › Locations › Time-Delay Relay2
    Fuel Pump Relay › Component Information › Locations
    Main Relay (Computer/Fuel System) › Component Information › Locations
    APC Control Module <--> [Turbocharger Control Module] › Component Information › Locations
  - Sensors and Switches - Fuel Delivery and Air Induction21 pages
    Air Flow Meter/Sensor › Component Information9 pages
    Specifications2 3
    Testing and Inspection › Plate Clearance2 3 4
    Service and Repair › Lever-Adjustment Arm & Sensor Plate, Replace2
    Idle Speed Motor Position Sensor › Component Information › Locations › Idle Speed Adjust Motor2
    Overboost Switch › Component Information › Diagrams
    Thermo Time Switch › Component Information › Locations › Temperature Time Switch2
    Throttle Position Sensor › Component Information4 pages
    Locations › Throttle Angle Transmitter, LH System2
    Description and Operation › Non-Turbo2
    Throttle Position Switch › Component Information › Testing and Inspection
    Turbo Boost Sensor › Component Information › Locations2
  - Thermo Time Switch › Component Information › Locations › Temperature Time Switch2
  - Throttle Body › Component Information › Technical Service Bulletins › Throttle Valve - Basic Setting Information2 3 4
  - Throttle Position Sensor › Component Information4 pages
    Locations › Throttle Angle Transmitter, LH System2
    Description and Operation › Non-Turbo2
  - Throttle Position Switch › Component Information › Testing and Inspection
  - Turbocharger6 pages
    Delay Valve, Turbocharger › Component Information › Locations
    Boost Solenoid, Turbocharger › Component Information › Locations
    Overboost Switch › Component Information › Diagrams
    Turbo Boost Sensor › Component Information › Locations2
    APC Control Module <--> [Turbocharger Control Module] › Component Information › Locations
  - Warm Up Regulator › Component Information › Description and Operation2
- Ignition System32 pages
  - Firing Order › Component Information › Specifications
  - Ignition Timing2 pages
    Number One Cylinder › Component Information › Locations
    Timing Marks and Indicators › System Information › Locations
  - Distributor, Ignition3 pages
    Ignition Rotor › Component Information › Testing and Inspection
    Vacuum Spark Delay Valve › Component Information › Description and Operation2
  - Hall Effect Sensor, Ignition › Component Information › Description and Operation
  - Ignition Cable › Component Information › Testing and Inspection
  - Ignition Coil › Component Information3 pages
    Specifications
    Description and Operation › General Information2
  - Ignition Control Module › Component Information › Locations › Ignition Pulse Amplifier (APC System)2 3
  - Knock Sensor › Component Information4 pages
    Technical Service Bulletins › Knock Detector - Proper Installation2
    Locations › APC/EZK Knock Sensor2
  - Relays and Modules - Ignition System › Ignition Control Module › Component Information › Locations › Ignition Pulse Amplifier (APC System)2 3
  - Sensors and Switches - Ignition System7 pages
    Hall Effect Sensor, Ignition › Component Information › Description and Operation
    Ignition Switch › Ignition Switch Lock Cylinder › Component Information › Service and Repair › Lock Barrel2
    Knock Sensor › Component Information4 pages
    Technical Service Bulletins › Knock Detector - Proper Installation2
    Locations › APC/EZK Knock Sensor2
  - Spark Plug › Component Information › Technical Service Bulletins › Spark Plug - Application Reference2 3 4
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