Engine Controls - System/Component Tests

• Introduction
• Computerized Engine Controls
  • Electronic Control Module (ECM)
    • Ground Circuit Checks
    • Power Circuit Checks
    • ECM Circuit Resistance
• Engine Sensors & Switches
  • Coolant Temperature Sensor
  • Crank Angle Sensor
  • EGR Temperature Sensor
  • Intake Air Temperature (IAT) Sensor
  • Manifold Absolute Pressure (Map) Sensor
  • Park/Neutral Switch
  • Power Steering Pressure Switch
  • Throttle Position Sensor
  • Vehicle Speed Sensor
• Motors, Relays & Solenoids
  • Motors
    • ISC Motor
  • Relays
    • EFI Main Relay
    • Torque Converter Clutch Relay
  • Solenoids
    • Idle Speed Control Solenoid
• Fuel System
  • Fuel Delivery
  • Fuel Control
    • Fuel Injector
    • Oxygen Sensor Heater
• Idle Control System
  • Air Valve
  • Idle Speed Control Solenoid & Wiring Circuit
  • Throttle Opener Control System
• Ignition System
  • Notes
  • Timing Control Systems
    • Electronic Ignition Timing Advance
• Emission Systems & Sub-Systems
  • Exhaust Gas RECIRCULATION
    • EGR Temperature Sensor (California)
    • EGR System Check
    • EGR Vacuum Supply
    • EGR Modulator
    • EGR Vacuum Switching Valve (VSV) (Tracker)
  • Fuel Evaporation
    • Fuel Evaporation Canister
    • Canister Purge Vacuum Switching Valve
    • PCV Valve
• Miscellaneous Controls
  • Notes
  • Transmission Controls
    • Torque Converter Clutch (TCC) Relay (Tracker A/T)