Engine Controls - Basic Diagnostic Procedures

• Introduction
• Preliminary Inspection & Adjustments
  • Visual Inspection
  • Mechanical Inspection
    • Notes
    • Cylinder Compression Pressure
    • Checking Engine Vacuum
• No-Start Diagnosis
  • Notes
  • Starter Circuit
    • Notes
    • Baja, Legacy & Outback 2.5L
    • Forester
    • Impreza & Outback Sport
    • Outback 3.0L
  • Engine Control Module Power Supply & Ground Circuits
    • Baja, Legacy & Outback 2.5L
    • Forester, Impreza 2.5L & Outback Sport
    • Impreza WRX 2.0L
    • Outback 3.0L
• Fuel Systems
  • Notes
  • Fuel System Pressure Release
    • Notes
    • Baja, Legacy & Outback
    • Forester, Impreza & Outback Sport
  • Fuel Pressure Test
  • Fuel Pump Circuit Tests
    • Notes
    • Baja, Forester, Impreza 2.5L, Legacy, Outback 2.5L & Outback Sport
    • Impreza WRX 2.0L & Outback 3.0L
  • Fuel Injector Circuit
    • Baja, Forester, Impreza 2.5L, Legacy, Outback 2.5L & Outback Sport
    • Impreza WRX 2.0L
    • Outback 3.0L
• Ignition Systems
  • Ignition Control System
    • Baja, Forester, Impreza 2.5L, Legacy, Outback 2.5L & Outback Sport
    • Impreza WRX 2.0L
    • Outback 3.0L
• Idle Speed & Ignition Timing