Engine Controls - System/Component Tests

• Introduction
• Computerized Engine Controls
  • Electronic Control Unit (Ecu)
    • Ground Circuits
    • Power Circuits (Ignition Off)
    • Power Circuits (Ignition On)
    • Power Circuits (Cranking)
• Engine Sensors & Switches
  • A/C Switch
  • Mass Airflow Sensor
  • Engine Coolant Temperature (ECT) Sensor
  • Crankshaft Position (CKP) Sensor
  • Oxygen Sensor (O2S)
  • P/N Switch
  • Throttle Position Sensor (Or Switch)
  • Pressure Sensor
  • Vehicle Speed Sensor (VSS)
• Relays & Solenoids
  • Relays
    • Fuel Pump Relay
    • Main Relay
  • Solenoids
    • EGR Solenoid Valve
    • Purge Control Solenoid Valve
• Fuel System
  • Fuel Delivery
  • Fuel Control
    • Feedback System
    • Fuel Injector(s)
• Idle Control System
  • System Inspection
  • Idle Air Control Solenoid Valve
• Ignition System
  • Notes
  • Timing Control Systems
    • Electronic Advance
    • Knock Sensor
• Emission Systems & Sub-Systems
  • Exhaust Gas RECIRCULATION (EGR)
    • EGR System Inspection
    • EGR Solenoid
    • EGR System
    • EGR Valve
  • Fuel Evaporative System (EVAP)
    • Notes
    • System Test
    • Charcoal Canister
    • 2-Way Valve
    • Purge Control Solenoid Valve
  • Positive Crankcase Ventilation (PCV)