Engine Controls - System/Component Tests

• Introduction
• Computerized Engine Controls
  • Electronic Control Module (ECM)
    • Notes
    • ECM Power Circuits
    • ECM Ground Circuits
    • ECM Circuit Resistance
• Engine Sensors & Switches
  • Air Temperature Sensor
  • Coolant (Water) Temperature Sensor
  • Crank Angle Sensor
  • Regulated Exhaust Gas Temperature Sensor
  • Oxygen Sensor
  • Power Steering Vacuum Switching Valve (VSV)
  • Pressure Sensor
  • Throttle Position Sensor (TPS)
  • Vehicle Speed Sensor (VSS)
  • 5TH Gear Switch
• Relays & Solenoids
  • Notes
  • Relays
    • EFI Main Relay
    • Fuel Pump Relay
  • Solenoids
    • EGR Vacuum Switching Valve (VSV)
    • Canister Purge Vacuum Switching Valve (VSV)
    • Fuel Injector(s)
    • Idle Speed Control (ISC) Solenoid
    • Throttle Opener Vacuum Switching Valve
• Fuel System
  • Fuel Delivery
    • Fuel Pump Relay
    • Fuel Pressure Regulator
    • Fuel Pump Circuit Test
  • Fuel Control
    • Fuel Injector(s)
    • Fuel Injector Circuit Test
• Idle Control System
  • Air Valve
  • Idle Speed Control (ISC)
  • Idle Speed Control (ISC) Solenoid
  • Throttle Opener System
    • Notes
    • System Test
    • Throttle Opener Diaphragm
    • Throttle Opener Vacuum Switching Valve
• Ignition System
  • Timing Control Systems
• Emission Systems & Sub-Systems
  • Exhaust Gas RECIRCULATION (EGR)
    • EGR System Test (Calif.)
    • EGR System Test (Federal)
    • Recirculated Exhaust Gas Temperature Sensor (REGTS)
    • EGR Valve
    • EGR Modulator
    • EGR Vacuum Switching Valve (VSV)
  • Fuel Evaporation
    • Bimetallic Vacuum Switching Valve
  • Positive Crankcase Ventilation (PCV)
    • PCV Valve
• Miscellaneous Controls
  • Transmission
• Circuit Resistance Charts