Engine Controls - System/Component Tests

• Introduction
• Air Induction Systems
  • Air Intake System
    • Notes
    • Intake Air By-Pass (IAB) Control Solenoid Valve
• Computerized Engine Controls
  • Engine Control Unit (ECM)
    • Notes
    • Ground Circuits
    • Power Circuits
• Engine Sensors & Switches
  • Atmospheric Pressure (Pa) Sensor
  • Coolant Temperature (TW) Sensor
  • Crank/CYL/TDC Sensors
  • EGR Valve Lift Sensor
  • Intake Air Temperature (IAT) Sensor
  • Knock Sensor
  • Map Sensor
  • Oxygen Sensor
  • Power Steering Pressure (PSP) Switch
  • Throttle Position (TP) Sensor
  • Vehicle Speed Sensor (VSS)
• Relays & Solenoids
  • Relays
    • Notes
    • Fuel Pump Relay
  • Solenoids
    • By-Pass Control Solenoid Valves
    • EGR Control Solenoid Valve
    • Purge Cut-Off Solenoid Valve
• Fuel System
  • Fuel Delivery
  • Fuel Control
    • Fuel Injector
    • Fuel Pressure Regulator
    • Fuel Pump
    • Fuel Pump Relay
    • Injector Resistor
• Idle Control System
  • Engine Controls - System/Component Tests
    • Air Conditioning Signal
    • Alternator FR Signal
    • Automatic Transmission Shift Position Signal
    • Brake Switch Signal
    • Fast Idle Thermovalve
    • Intake Air Control Valve (IACV)
    • Power Steering Pressure (PSP) Switch Signal
    • Starter Signal
• Ignition System
• Timing Control System
  • Engine Controls - System/Component Tests
    • Ignition Timing Adjuster
    • Knock Sensors
• Emission Systems & Sub-Systems
  • Fuel Evaporation
    • Charcoal Canister
    • Purge Control Solenoid Valve
    • 2-Way Valve
  • Exhaust Gas RECIRCULATION (EGR)
    • Constant Vacuum Control (CVC)
    • EGR Control Solenoid Valve
    • EGR Valve
  • Positive Crankcase Ventilation (PCV)
• Miscellaneous Controls
  • Notes
  • A/C Clutch
    • A/C Clutch Relay
  • Cooling Fan
    • Cooling Fan Motor
    • Cooling Fan Motor Relays