Engine Controls - System/Component Tests

• Introduction
• Computerized Engine Controls
  • Engine Control Module
    • Power & Ground Circuits
• Engine Sensors & Switches
  • Air Temperature Sensor
  • Coolant Temperature Sensor
  • EGR Gas Temperature Sensor
    • Notes
    • CA Only
  • Engine Coolant Temperature (ECT) Sensor
  • Intake Air Temperature Sensor
  • Knock Sensor
  • Manifold Absolute Pressure (Map) Sensor
  • Park/Neutral Switch Circuit
  • Park/Neutral Switch
    • Notes
    • A/T Models
  • Oxygen Sensor Feedback Voltage Test
  • Sub-Oxygen Sensor
  • Pick-Up Coils
  • Throttle Position Sensor
  • Vehicle Speed Sensor
• Control Units
  • Fuel Pump Electronic Control Unit
• Relays
  • Circuit Opening Relay
  • EFI Main Relay
  • Ignition Main Relay
• Fuel System
  • Fuel Delivery
    • Notes
    • Circuit Opening Relay
    • EFI Main Relay
    • Fuel Pump Relay
  • Fuel Control
    • Fuel Injectors
    • Fuel Cut System
• Idle Control System
  • A/C Idle-Up Valve
  • Idle Air Control (IAC) Valve
• Ignition System
  • Notes
  • Timing Control Systems
    • Knock Sensor
• Emission Systems & Sub-Systems
  • Exhaust Gas RECIRCULATION (EGR) System Test
  • EGR Vacuum Modulator
  • EGR Vacuum Switching Valve (VSV)
    • Notes
    • EVAP Thermal Vacuum Valve
    • Charcoal Canister
  • Positive Crankcase Ventilation (PCV)
• Throttle Controls
  • Notes
  • Throttle Opener
    • CA Models