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
  • Crankshaft Position (CKP)/Camshaft Position (CMP) Sensor
  • EGR Temperature (EGRT) Sensor - CALIF.
  • Engine Coolant Temperature (ECT) Sensor
  • Intake Air Temperature (IAT) Sensor
  • Manifold Absolute Pressure (Map) Sensor
  • Oxygen Sensor (O2S)/Heated Oxygen Sensor (Ho2S)
  • Oxygen Sensor (O2S) Heater/Heated Oxygen Sensor (Ho2S) Heater
  • Power Steering Vacuum Switching Valve (VSV)
  • Throttle Position (TP) Sensor
  • 5TH Gear Switch (M/T)
• Relays & Solenoids
  • Relays
    • Main Relay
    • Fuel Pump Relay
  • Solenoids
    • EGR Vacuum Switching Valve (VSV)
    • Canister Purge Vacuum Switching Valve (VSV)
    • Fuel Injector(s)
    • Idle Air Control (IAC) Solenoid
    • Throttle Opener Vacuum Switching Valve (VSV)
• 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
  • Fast Idle Air (FIA) Valve
  • Idle Air Control (IAC)
  • Idle Air Control (IAC) 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)
    • Exhaust Gas Recirculation Temperature (EGRT) Sensor (Calif.)
    • EGR Valve
    • EGR Modulator/EGR Pressure Transducer
    • EGR Solenoid Vacuum Valve
    • EGR Vacuum Switching Valve (VSV)
  • Fuel Evaporation
    • Bimetallic Vacuum Switching Valve
    • Tank Pressure Control Valve
  • Positive Crankcase Ventilation (PCV)
    • PCV Valve
• Circuit Resistance Charts