Engine Controls - System/Component Tests

• Introduction
• 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
    • Automatic Transmission
  • Intake Air Temperature (IAT) 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
    • EGR Control Solenoid Valve
    • Fuel Pressure Regulator Cut-Off Solenoid Valve
    • Idle-Up Solenoid (A/T)
    • Purge Cut-Off Solenoid Valve
• Fuel System
  • Fuel Delivery
    • Notes
    • Fuel Pressure Regulator Cut-Off Solenoid Valve (1.8L Engine)
  • Fuel Control
    • Fuel Injector
    • Fuel Pressure Regulator
    • Fuel Pump
    • Fuel Pump Relay
• Idle Control System
  • Air Conditioning Signal
  • Alternator Fr Signal
  • Automatic Transmission Shift Position Signal
  • Brake Switch Signal
  • Fast Idle THERMOVALVE
  • Intake Air Control Valve (IACV)
  • Manual Transmission Neutral Switch
  • Power Steering Pressure (PSP) Switch Signal
  • Starter Signal
  • Air Boost Valve (1.8L With A/T)
• Ignition System
• 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 Relay