Engine Controls - Theory & Operation

• Introduction
• Computerized Engine Controls
  • Notes
  • Powertrain Control Module
  • Input Devices
    • Notes
    • A/C Request - A/C On
    • Battery Voltage
    • Camshaft Position Sensor
    • Crankshaft Position Sensor
    • EGR Pintle Position Sensor
    • Engine Coolant Temperature Sensor
    • Heated Oxygen Sensor
    • Intake Air Temperature Sensor
    • Knock Sensor
    • Manifold Absolute Pressure Sensor
    • Mass Airflow Sensor
    • Park/Neutral Switch - A/T & Inhibitor Switch - M/T
    • Power Steering Pressure Switch
    • Throttle Position Sensor
    • Vehicle Speed Sensor
  • Output Signals
    • Notes
    • CHECK ENGINE Light or Malfunction Indicator Light
    • Distributorless Ignition System
    • EGR Valve
    • Electronic Spark Advance
    • Electronic Spark Timing
    • Fuel Disable Mode - Engine Speed
    • Deceleration Mode
    • Clear Flood Mode
    • Acceleration Mode
    • Fuel Injectors
    • Fuel Pressure Regulator
    • Fuel Pump
    • Fuel Pump Relay
    • Idle Air Control Valve
• Fuel System
  • Fuel Delivery
    • Fuel Pump
    • Fuel Pump Relay
    • Fuel Pressure Regulator
  • Fuel Control
    • Notes
    • Open Loop
    • Closed Loop
    • Fuel Injectors
    • Fuel Disable Mode - Engine Speed
    • Clear Flood Mode
    • Deceleration Mode
    • Acceleration Mode
    • Heated Oxygen Sensor
    • Battery Voltage Correction
  • Idle Speed
    • Idle Air Control Valve
• Ignition System
  • DISTRIBUTORLESS Ignition System
  • Ignition Timing Control Systems
• Emission Systems
  • Notes
  • Evaporative Emission System
    • Fuel Evaporation Emission Control System
    • Enhanced Fuel Evaporation Emission Control System
  • Exhaust Gas RECIRCULATION System
  • Positive Crankcase Ventilation System
• Self-Diagnostic System
  • Description
  • Malfunction Indicator Light
  • Hard Failures
  • Intermittent Failures