Engine Controls - Theory & Operation

• Introduction
• Computerized Engine Controls
  • Notes
  • Electronic Control Unit (Ecu)
• Ecu Locations
• Input Devices
  • Notes
  • Coolant Temperature Sensor
  • Crankshaft Angle Sensor
  • Detonation (Knock) Sensor
  • Exhaust Gas (Oxygen) Sensor
    • Notes
    • Oxygen Sensor (G20)
    • Oxygen Sensor (M30)
  • Exhaust Gas Temperature Sensor (CALIFORNIA Models Only)
  • Fuel Temperature Sensor (M30)
  • Gear Position (M30)
  • Mass Airflow Meter
    • Mass Airflow Meter (G20)
    • Mass Airflow Meter (M30)
  • Throttle Position Sensor (TPS) & Idle Switch
  • Vehicle Speed Sensor (VSS)
• Output Signals
  • Notes
  • Fuel Pump
  • Fuel Pump Relay
  • Fuel Pressure Regulator
  • Pressure Regulator Control Solenoid (M30)
• Fuel Control
  • Feedback System
  • Port Fuel Injection
  • Idle Speed
  • Auxiliary Air Control (AAC) Solenoid
  • Air Regulator
  • Fast Idle Control Device (FICD) Solenoid
• Ignition System
  • Notes
  • Optical Distributor Ignition System
• Ignition Timing Control System
  • Ignition Timing Control
  • Detonation Retard Operation
• Emission Systems
  • Fuel Evaporation System
  • Charcoal Canister
  • Purge Control Valve
  • Exhaust Gas RECIRCULATION (EGR)
  • EGR BACKPRESSURE Transducer (G20)
  • EGR Control Solenoid
  • EGR Temperature Sensor (CALIF. Models)
• Self-Diagnostic System
  • Notes
  • Mode I
  • Mode II
• Check Engine Light
• Miscellaneous Controls
  • Notes
  • A/C Clutch Relay