Engine Controls - System & Component Testing

• Introduction
• Component Locations
• Computerized Engine Controls
  • Notes
  • Engine Control Module
    • Notes
    • Ground Circuits
    • Power Circuits
    • ECM Harness Resistance
• Sensors & Switches
  • Notes
  • Accelerator Pedal Position Sensor
  • Camshaft Position Sensor
  • Crankshaft Position Sensor
  • Engine Coolant Temperature Sensor
  • Fuel Tank Pressure Sensor
  • Heated Oxygen Sensor
  • Intake Air Temperature Sensor
  • Knock Sensor
  • Manifold Absolute Pressure Sensor
  • Mass Airflow Sensor
  • Throttle Position Sensor
• Motors, Relays & Solenoids
  • Notes
  • A/C Compressor Clutch Relay
  • EVAP Purge Solenoid
  • EVAP Vent Solenoid
  • Fuel Pump Relay
  • Intake Manifold Runner Control Solenoid
  • Main Relay
    • Circuit Description
    • Diagnostic Procedure
• Fuel Systems
  • Notes
  • Fuel System Pressure Release
  • Fuel Delivery
    • Fuel Pressure Regulator
    • Fuel Pump Circuit
  • Alcohol/Contaminants-In-Fuel Diagnosis With Special Tool
    • Description
    • Test Procedure
  • Alcohol/Contaminants-In-Fuel Diagnosis Without Special Tool
    • Description
    • Alcohol In Fuel Testing Procedure
    • Particulate Contaminants In Fuel Testing Procedure
  • Fuel Injector Balance Test With Special Tool
    • Notes
    • Test Description
    • Test Procedure
  • Fuel Injector Coil Test
    • Circuit Description
    • Test Description
    • Test Procedure
    • Diagnostic Aids
  • Injector Leak Test
  • Fuel Pump Relay
  • Fuel Tank Leak Test
    • Notes
    • Description
    • Test Description
    • Diagnostic Procedure
    • Diagnostic Aids
• Ignition Systems
• Emission Systems & Sub-Systems
  • Notes
  • Exhaust Gas RECIRCULATION
    • Notes
    • Exhaust System Check - Parked
    • Exhaust System Check - Road Test
  • Fuel Evaporative System
    • Notes
    • EVAP Control System Diagnosis
  • Evaporative Emission System Cleaning
    • Inspection Procedure
    • Cleaning Procedure
  • Positive Crankcase Ventilation
    • Required Service
    • Checking PCV Valve Function
• Miscellaneous Controls
  • Notes
  • A/C Compressor Clutch Controls
  • Electric Cooling Fan
  • Transmission
• Wiring Diagrams
  • L300
  • LW300
• Special Tools