Engine Controls - Theory & Operation

• Introduction
• Computerized Engine Controls
  • Notes
  • Control Unit
  • Input Devices
    • Notes
    • Air Conditioner Switch
    • Airflow Sensor
    • Atmospheric (Barometric) Pressure Sensor
    • Battery Voltage
    • Coolant Temperature Sensor (CTS)
    • Engine Speed Sensor
    • EGR Temperature Sensor (California)
    • Idle Switch
    • Ignition Switch
    • Ignition Timing Adjustment Terminal
    • Intake Air Temperature Sensor
    • Inhibitor Switch (Automatic Transmission Only)
    • Motor Position Sensor (MPS)
    • Oxygen Sensor
    • Power Steering Oil Pressure Switch
    • TDC Sensor & Crankshaft Angle Sensor
    • Throttle Position Sensor
    • Vehicle Speed Sensor
  • Output Signals
• Fuel System
  • Fuel Delivery
    • Notes
    • Fuel Pump
    • Fuel Pump Relay (Control Relay)
    • Fuel Pressure Regulator
  • Fuel Control
    • Fuel Injectors
  • Idle Speed
    • Idle Speed Control (ISC)
    • Fast Idle Air Control Valve
• Ignition System
  • Electronic Ignition System
    • Notes
    • Power Transistor
  • Ignition Timing Control System
    • Ignition Timing Advance Control
• Emission Systems
  • Exhaust Gas RECIRCULATION (EGR) Control
    • Federal
    • California
    • EGR Control Solenoid Valve (California)
    • Thermovalve (Federal)
  • Evaporative Control
    • Notes
    • Purge Control Solenoid
  • High Altitude Control (HAC)
  • PCV Valve
• Self-Diagnostic System
  • Self-Diagnostics
  • Check Engine Light (CALIFORNIA)
• Miscellaneous Controls
  • Notes
  • A/C Clutch