Engine Controls - System/Component Tests

• Introduction
• Computerized Engine Controls
  • Control Unit
    • Fuel Injection Control Unit (FICU) Voltage Supply
    • Ignition Control Unit (ICU) Voltage Supply
• Engine Sensors & Switches
  • A/C Compressor Clutch (On/Off Signal)
  • Altitude Sensor (Voltage Supply)
  • Coolant Temperature Sensor
  • Full Throttle Switch
  • Idle & Full Throttle Switch
  • Idle Switch
  • Oxygen (O2) Sensor
• Relays
  • Fuel Pump Relay Control
• Fuel System
  • Notes
  • Fuel Pressure Release
  • Fuel Delivery
    • Notes
    • System Pressure
    • Differential Pressure Regulator Fuel Pressure
    • Differential Pressure Regulator Electrical System
    • Residual Pressure
    • Cold Acceleration Enrichment
    • Deceleration Fuel Shutoff
  • Fuel Control
    • Oxygen (O2) Sensor Heating Element
• Idle Control System
• Ignition System
  • Notes
  • Timing Control Systems
• Emission Systems & Sub-Systems
  • Fuel Evaporation