Engine Controls - System/Component Tests

• Introduction
• Computerized Engine Controls
  • Electronic Control Module (ECM)
    • Ground Circuit Checks
    • Power Circuit Checks
• Engine Sensors & Switches
  • Coolant Temperature Sensor
  • Crank Angle Sensor (Metro XFI)
  • EGR Temperature Sensor
  • Electrical Load Sensor (Metro)
  • Intake Air Temperature (IAT) Sensor
  • Manifold Absolute Pressure (Map) Sensor
  • Park/Neutral Switch
  • Throttle Position Sensor (Metro A/T)
  • Throttle Position Switch (Metro M/T)
  • Vehicle Speed Sensor
• Modules, Motors, Relays & Solenoids
  • Modules
    • Diode Module
  • Motors
    • ISC Motor
  • Relays
    • EFI Main Relay
    • Fuel Pump Relay
  • Solenoids
    • Idle Speed Control Solenoid
• Fuel System
  • Fuel Delivery
  • Fuel Control
    • Fuel Injector
• Idle Control System
  • A/C Vacuum Switching Valve
  • Air Valve
  • Idle Speed Control Solenoid
• Ignition System
  • Notes
  • Timing Control Systems
    • Electronic Ignition Timing Advance
    • Mechanical Advance (Metro & Metro LSi W/O ESC)
    • Vacuum Advance (Metro & Metro LSi W/O ESC)
• Emission Systems & Sub-Systems
  • Exhaust Gas RECIRCULATION
    • EGR System Check
    • EGR Vacuum Supply
    • EGR Modulator
    • EGR Vacuum Switch Valve (VSV)
  • Fuel Evaporation
    • Fuel Evaporation Canister Check Valve
    • Fuel Evaporation Bimetallic Vacuum Switching Valve (BVSV)
    • 2-Way Check Valve
    • PCV Valve
• Miscellaneous Controls
  • Notes
  • A/C Clutch System Controls
  • Transmission Controls
    • Shift Indicator Light (Metro M/T)
• Diagnostic Charts
  • Code 24, Vehicle Speed Sensor Circuit
    • Notes
    • Diagnostic Aids