Engine Controls - System/Component Tests

• Introduction
  • Notes
  • Engine Sensors & Switches
    • Notes
    • Airflow Meter
    • Cold Start Injector Time Switch
    • Coolant Temperature Sensor (CTS)
    • EGR Gas Temperature Sensor
    • Knock Sensor
    • Manifold Absolute Pressure (MAP) Sensor
    • Park/Neutral Switch
    • Oxygen Sensor Feedback Voltage Test
    • Sub-Oxygen Sensor
    • Oxygen Sensor Heater
    • Sub-Oxygen Sensor Heater (Calif. 2WD Models)
    • Pick-Up Coils
    • Throttle Position Sensor (TPS)
    • Vehicle Speed Sensor
    • 4WD Switch
• 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 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
  • Timing Control Systems
    • Knock Sensor
• Emission Systems & Sub-Systems
  • Exhaust Gas RECIRCULATION (EGR)
    • Notes
    • EGR System Test
    • EGR Vacuum Modulator
    • EGR Vacuum Switching Valve (VSV)
  • Fuel Evaporation
    • Notes
    • Charcoal Canister
    • EVAP Vacuum Switching Valve
  • Pulsed Secondary Air Injection System
    • Notes
    • PAIR System Test
    • PAIR Check Valve
    • PAIR Reed Valve
    • PAIR Vacuum Switching Valve (VSV)
  • Throttle Controls
    • Notes
    • Dashpot Control System
    • Throttle Opener