Engine Controls - System & Component Testing

• Introduction
• Computerized Engine Controls
  • Powertrain Control Module
    • Power & Ground Circuits
• Sensors & Switches
  • Barometric Pressure Sensor
  • Camshaft Position Sensor
  • Crankshaft Position Sensor
  • Engine Coolant Temperature Sensor
  • Heated Oxygen Sensor
  • Inlet Air Temperature Sensor
  • Knock Sensor
  • Manifold Absolute Pressure Sensor
  • Park/Neutral Position Switch (A/T)
  • Power Steering Switch
  • Throttle Position Sensor
  • Vehicle Speed Sensor
• Motors, Relays & Solenoids
  • A/C Clutch Relay
  • Auto Shutdown Relay
  • Evaporative Purge Solenoid
  • Fuel Pump Relay
  • Idle Air Control Motor
  • Radiator Fan Relay
• Fuel Systems
  • Fuel System Pressure Release
  • Fuel Delivery
  • Fuel Control
    • Auto Shutdown Relay
    • Fuel Injector
    • Fuel Pressure Regulator
    • Fuel Pump Relay
• Ignition Systems
  • Ignition Coil
• Emission Systems & Sub-Systems
  • EGR System
    • Notes
    • EGR Solenoid
  • Fuel Evaporative System
    • Notes
    • EVAP Canister
    • EVAP Purge Solenoid
  • Positive Crankcase Ventilation
    • Positive Crankcase Ventilation (PCV) Valve
• DRIVEABILITY Problems
  • Start & Stall Condition
    • Notes
    • Possible Causes:
    • Testing
• Miscellaneous Controls
  • Notes
  • A/C Clutch Relay Output
  • Automatic Transmission
  • Radiator Fan Relay Output
• Wiring Diagrams
  • Pt Cruiser