Engine Controls - System & Component Testing

• Introduction
• Computerized Engine Controls
  • Engine Control Module (ECM)
    • Ground Circuits
    • Power Circuits (Discovery Series II)
    • Power Circuits (Range Rover)
• Engine Sensors
  • Notes
  • Camshaft Position (CMP) Sensor
  • Crankshaft Position (CKP) Sensor
  • Engine Coolant Temperature (ECT) Sensor
  • Heated Oxygen Sensor (Ho2S)
  • Mass Airflow/Intake Air Temperature (MAF/IAT) Sensor
  • Knock Sensor (KS)
  • Throttle Position (TP) Sensor
• Motors, Relays & Solenoids
  • Relays
    • Main Relay (Discovery Series II)
    • Main Relay (Range Rover)
    • Fuel Pump Relay (Discovery Series II)
    • Fuel Pump Relay (Range Rover)
  • Solenoids
    • Fuel Injector Solenoids
• Fuel System
  • Fuel Delivery
    • Notes
    • Relieving Fuel Pressure
    • Regulated Fuel Pressure
  • Fuel Control
    • Notes
    • Fuel Pump Current Draw
    • Fuel Injector Balance Check
    • Fuel Injector Electrical Check
• Idle Control System
  • Idle Air Control Valve (IACV)
• Ignition System
  • Notes
  • Timing Control Systems
• Emission Systems & Sub-Systems
  • Advanced EVAP System
    • EVAP System Pressure Test
    • EVAP System Pressure Test Drive Cycle
  • Secondary Air Injection (SAI) System
    • Discovery Series II
    • Range Rover
• Miscellaneous Controls
  • Notes
  • A/C Request/Grant Signals
  • Transmission