Engine Controls - Theory & Operation

• Introduction
• Air Induction System
  • Secondary Air Control System
    • Storm GSi (DOHC)
• Computerized Engine Controls
• Electronic Control Module (ECM)
  • Notes
  • Metro
  • PRIZM
  • Storm
  • Tracker
• CEC Input Devices
  • Notes
  • A/C Signal
  • A/T Module Gear Signal (Metro A/T)
  • Battery Voltage Signal (Metro, PRIZM & Tracker)
  • Coolant Temperature Sensor
  • Crank Angle Sensor
    • Metro XFi With Electronic Spark Control, Prizm & Tracker
  • EGR Temperature Sensor
    • California Prizm, Storm & Tracker
  • Electrical Load (Metro)
  • Engine Start Signal (Metro, PRIZM & Tracker)
  • Ignition Reference Signal (Storm)
  • Intake Air Temperature (IAT) Sensor
  • Knock Sensor (PRIZM GSI)
  • Manifold Absolute Pressure (Map) Sensor
    • Metro, Prizm 4A-FE, Storm & Tracker
  • Mass Airflow (MAF) Sensor (PRIZM GSI)
  • Oxygen (O2) Sensor
  • Park/Neutral Switch
    • A/T Models Except Metro
  • Power Steering Pressure Switch (Storm & Tracker)
  • Sub-Oxygen (O2) Sensor (CALIFORNIA PRIZM GSI)
  • Throttle Position Sensor (Except Metro M/T & PRIZM)
  • Throttle Switch (Metro M/T & PRIZM)
  • Vehicle Speed Sensor
• CEC Output Signals
• Fuel Delivery System
  • Circuit Opening Relay (PRIZM)
  • Circuit Opening Relay (PRIZM GSI)
  • EFI Main Relay (Metro)
  • EFI Main Relay (PRIZM)
  • EFI Main Relay (PRIZM GSI)
  • EFI Main Relay (Storm & Storm GSI)
  • EFI Main Relay (Tracker)
  • Fuel Pump
  • Fuel Pump Relay (Metro)
  • Fuel Pump Relay (Storm)
  • Fuel Pump Relay (Tracker)
  • Fuel Pressure Regulator
  • Fuel Pressure Regulator Vacuum Switching Valve (PRIZM GSI)
• Fuel Control System
  • Battery Voltage Signal (Metro, PRIZM & Tracker)
  • Electrical Load (Metro)
  • Fuel-Cut System (Metro & Tracker)
  • Fuel-Cut System (PRIZM & Storm)
  • Fuel Injector
• Idle Speed System
  • A/C Vacuum Switching Valve (A/C VSV) (Metro)
  • Air Valve (Metro, PRIZM & Tracker)
  • Idle Air Control (IAC) Valve (Storm)
  • Idle Speed Control (ISC) Solenoid (Metro & Tracker)
  • Idle-Up Vacuum Switching Valve (IVSV) (PRIZM)
  • Throttle Opener Control System (Tracker)
• Ignition System
  • Metro XFI (With Electronic Spark Control)
  • Metro & Metro LSI (Without Electronic Spark Control)
  • PRIZM
  • PRIZM GSI
  • Storm
  • Tracker
• Ignition Timing Control System
  • Ignition Timing Advance Control
    • Metro & Metro LSI
    • Metro XFi With ESC, Prizm & Tracker
    • Storm
• Exhaust Gas RECIRCULATION
  • Notes
  • Engine Controls - Theory & Operation
    • EGR Temperature Sensor (California Prizm, Storm & Tracker)
• Evaporative Fuel Emissions System
  • Metro
  • Storm
  • PRIZM
  • Tracker
• Positive Crankcase Ventilation (PCV)
• Self-Diagnostic System
  • Check Engine Light
• Miscellaneous Controls
  • Transmission Control
    • Torque Converter Clutch (TCC) Relay (Tracker A/T)
    • Shift Light Indicator (Metro M/T)
    • Shift Light Indicator (Storm M/T)
    • Throttle Position Sensor Output Signal (Storm GSi & Prizm GSi A/T Models)