Engine Controls - System & Component Testing

• Introduction
  • Notes
  • Continuity Test Procedure (1987-88)
  • Continuity Test Procedure (1989)
  • Continuity Test Procedure (1990-91)
• Computerized Engine Controls
  • Engine Control Module
    • Notes
    • Power Circuits
  • Tune Select Resistor Test (1990-91)
• Engine Sensors & Switches
  • A/C Switch (1989-91)
  • Engine Coolant Temperature Sensor
  • Fuel Temperature Sensor
  • Heated Oxygen (Lambda) Sensor (1989-91)
  • Heated Oxygen Sensor (Lambda Sensor) Heater Coil
  • Mass Airflow Sensor
  • Road Speed Sensor
  • Throttle Position Sensor
• Modules, Motors, Relays & Solenoids
  • Fuel Pump Relay
  • Main Relay
• Fuel Systems
  • Fuel Delivery
    • Notes
    • Depressurizing Procedure (1987-88)
    • Depressurizing Procedure (1989-91)
    • Fuel Pump Circuit
    • Fuel Pressure Check (1990-91)
  • Fuel Control
    • Notes
    • Fuel Injectors
    • Fuel Injector Leakage
    • Fuel Injector Volume
• Idle Control Systems
  • Air By-Pass Valve
• Ignition Systems
  • Notes
  • Ignition System
    • Notes
    • Test 1
    • Test 2
    • Test 3
    • Test 4
    • Test 5
    • Test 6
    • Test 7
  • Timing Control Systems
    • Notes
    • Engine Speed Signal
  • Vacuum Delay Valve
    • Valve Air Flow Check
    • External Leakage Check
• Emission Systems & Subsystems
  • Fuel Expansion Tank/Flow/Rollover Valve (1987-90)
  • Purge Control Solenoid Valve (1989-91)
  • Fuel Evaporative System Inspection (1991)
    • Notes
    • Equipment Required For Testing
    • Test Procedure
• Miscellaneous Controls
  • Notes
  • A/C Clutch Relay (1989-91)
  • A/C Condenser Fan (1989-91)
  • A/C Condenser Fan Timer (1989-91)
  • A/C Thermostat Input (1989-91)
  • Automatic Transmission
    • Gear Switch
  • Front Window Defogger (1989-91)