Engine Controls - Theory & Operation

• Introduction
• Computerized Engine Controls
  • XJS
  • XJ6
  • Electronic Control Unit (Ecu) (XJS)
  • Electronic Control Unit (Ecu) (XJ6)
  • Input Devices
    • Notes
    • Airflow Meter (XJ6)
    • Air Temperature Sensor (ATS) (XJS)
    • Coolant Temperature Sensor (CTS)
    • Crankshaft Sensors (XJS)
    • Crankshaft Sensor (XJ6)
    • Manifold Pressure Sensor (XJS)
    • Oxygen (O2) Sensor
    • Throttle Potentiometer
    • Throttle Position Switch (TPS) (XJS)
    • Vacuum Switch (Full Load) (XJS)
  • Output Signals
    • Notes
    • Auxiliary Air Valve (XJS)
    • Idle Speed Control Valve (ISCV) (XJ6)
    • CHECK ENGINE Light
• Fuel System
  • Fuel Delivery (XJS)
  • Fuel Delivery (XJ6)
  • Fuel Control (XJS)
  • Fuel Control (XJ6)
  • Idle Speed
    • Auxiliary Air Valve (XJS)
    • Idle Speed Control Valve (XJ6)
• Ignition System
  • XJS
  • XJ6
• Emission Systems
  • Air Injection System (XJS)
  • Air Injection System (XJ6)
  • Exhaust Gas RECIRCULATION (EGR) (XJ6)
  • Fuel Evaporation (XJS)
  • Fuel Evaporation (XJ6)
  • Positive Crankcase Ventilation (XJS)
  • Positive Crankcase Ventilation (XJ6)
• Self-Diagnostic System
  • Notes
  • Check Engine Light