Engine Controls - System/Component Tests

• Introduction
• Computerized Engine Controls
  • Engine Control Module
    • Power & Ground Circuits
• Engine Sensors & Switches
  • Airflow Meter
  • Cold Start Injector Time Switch
  • Coolant Temperature Sensor
  • EGR Gas Temperature Sensor
  • Engine Coolant Temperature (ECT) Sensor
  • Knock Sensor
  • Park/Neutral Switch
    • Notes
    • A/T Models
  • Oxygen Sensor Feedback Voltage Test
  • Sub-Oxygen Sensor
  • Oxygen Sensor Heater
  • Sub-Oxygen Sensor Heater
  • Pick-Up Coils
  • Throttle Position Sensor
  • Vehicle Speed Sensor
  • 4WD Switch
• Control Units
  • Fuel Pump Electronic Control Unit
• Relays
  • Circuit Opening Relay
  • EFI Main Relay
• Fuel System
  • Fuel Delivery
    • Notes
    • Circuit Opening Relay
    • EFI Main Relay
  • Fuel Control
    • Notes
    • Fuel Injectors
    • Fuel Pressure Control System
    • Fuel Cut System
    • Cold Start Injector
    • Cold Start Injector Time Switch
• Idle Control System
  • Auxiliary Air Valve System
• Ignition System
  • Notes
  • Timing Control Systems
    • Knock Sensor
• Emission Systems & Sub-Systems
  • Exhaust Gas RECIRCULATION (EGR) System Test
  • EGR Vacuum Modulator
  • EGR Thermal Vacuum Valve (TVV)
    • 2.4L Except CA
  • EGR Vacuum Switching Valve (VSV)
    • Notes
    • 2.4L Ca
    • 3.0L
  • EVAP Thermal Vacuum Valve (3.0L)
  • Charcoal Canister
  • Positive Crankcase Ventilation
  • Pulsed Secondary Air Injection System
    • Notes
    • PAIR System Test (2.4L)
    • PAIR System Test (3.0L)
    • PAIR Check Valve
    • PAIR Reed Valve
    • PAIR Vacuum Switching Valve
• Throttle Controls
  • Notes
  • Dashpot Control System
    • 2.4L With M/T & 3.0L
  • Throttle Opener
    • 2.4L With A/T
    • 3.0L