Engine Controls - Theory & Operation

• Introduction
• Air Induction System
  • Turbochargers
• Computerized Engine Controls
  • Notes
  • Control Units
  • Input Devices
    • Notes
    • A/C Switch
    • Air Temperature Sensor
    • Coolant Temperature Sensor
    • Knock Sensor (EZ129K, Motronic & Regina)
    • Ignition Control Unit (4 & 5-Cylinder)
    • Intake Air Temperature Sensor (Regina)
    • Manifold Absolute Pressure Sensor (Regina)
    • Mass Airflow Meter (LH-Jetronic)
    • Mass Airflow Sensor (LH3.2)
    • Heated Oxygen Sensor (HO2S)
    • Throttle Switch
    • Turbo Control Unit
  • Output Signals
    • Notes
    • A/C Clutch
    • CHECK ENGINE Light
    • Cold Start Valve
    • Cooling Fan Motor
    • EGR Solenoid Valve
    • Fuel Injectors
    • Fuel Pump
    • Idle Valve
    • Ignition Control Unit
    • Heated Oxygen Sensor (HO2S) Control
    • Power Transistor & Ignition Coil
    • Turbo Control Unit
• Fuel System
  • Fuel Delivery
    • Fuel Pump
    • Fuel Pressure Regulator
  • Fuel Control
    • Notes
    • Fuel Injectors
    • Cold Start Valve (4-Cylinder)
    • Heated Oxygen Sensor (HO2S) Control
  • Idle Speed
    • Notes
    • Idle Valve
• Ignition System
  • Electronic Ignition
    • Notes
    • Ignition Coil
    • Power Transistor & Ignition Coil (EZ129K & Rex-1)
    • Power Units & Ignition Coils (Motronic)
  • Ignition Timing Control
    • Ignition Timing Advance Control
    • Knock Sensor
• Emission Systems
  • Fuel Evaporative System (EVAP)
    • Notes
    • Canister Purge Valve
  • Exhaust Gas RECIRCULATION (EGR)
    • Turbo Models
    • EGR Solenoid Valve (4-Cylinder)
    • EGR Valve Vacuum Controller (5-Cylinder)
• Self-Diagnostic System
  • Notes
  • Check Engine Light
• Miscellaneous Controls
  • A/C Clutch
  • Cooling Fan Motor