Engine Controls - System/Component Tests

• Introduction
• Air Induction Systems
  • Turbochargers (740 & 940)
    • Preliminary Checks
    • Check & Adjust Boost Pressure
    • Basic Adjustment Of Pressure Regulator Push Rod
    • Wastegate Valve Suction Test
• Computerized Engine Controls
  • Notes
  • Electronic Control Unit - Ignition (240, 740 & 940)
    • Notes
    • Preliminary Checks
    • Power Circuit Checks
    • Ground Circuit Checks
  • Electronic Control Unit - Fuel Injection (240, 740 & 940)
    • Notes
    • Preliminary Checks
    • Power Circuit Checks
    • Voltage Supply For Memory Check (740, 940 & 960)
    • Ground Circuit Check
  • Electronic Control Unit (960)
    • Notes
    • Preliminary Check
    • Power Circuit Check
    • Ground Circuit Checks
• Engine Sensors & Switches
  • Notes
  • Camshaft Position Sensor (960)
  • Coolant Temperature Sensor
  • Crankshaft Position Sensor
  • Mass Airflow Meter (240, 740 & 940)
  • Mass Airflow Meter (960)
  • Oxygen (O2) Sensor (240, 740 & 940)
  • Oxygen (O2) Sensor & PREHEATER Resistor (960)
  • Oxygen (O2) Sensor Current Feed & Heater Resistance (240, 740 & 940)
  • Throttle Switch (240, 740 & 940)
  • Throttle Switch (960)
• Relays
  • Fuel Injection Main Relay (240, 740 & 940)
  • Fuel Pump Relay (240, 740 & 940)
• Fuel System
  • Notes
  • Fuel Delivery
    • Fuel Pressure Regulator
  • Fuel Control
    • Fuel Injectors (240, 740 Non-Turbo & 940 Non-Turbo)
    • Fuel Injectors (740 Turbo & 940 Turbo)
    • Fuel Injectors (960)
    • Cold Start Valve (240, 740 & 940)
• Idle Control System
  • Notes
  • Idle Air Control Valve
• Ignition System
  • Notes
  • Timing Control Systems
    • Detonation (Knock) Sensor (240, 740 & 940)
    • Detonation (Knock) Sensors (960)
• Emission Systems & Sub-Systems
  • Exhaust Gas RECIRCULATION (EGR)
  • Fuel Evaporation
• Miscellaneous Controls
  • Notes
  • Cooling Fan
    • Cooling Fan Motor (960)