Engine Controls - Theory & Operation

• Introduction
• Computerized Engine Controls
  • On-Board Diagnostics II System
  • Powertrain Control Module
  • Input Devices
    • Brake On-Off (BOO) Switch
    • Camshaft Position (CMP) Sensor
    • Data Link Connector
    • Engine Coolant Temperature (ECT) Sensor
    • EGR Temperature Sensor
    • Evaporative (EVAP) System Pressure Sensor
    • Fuel Temperature Sensor
    • Heated Oxygen Sensors (HO2S)
    • Idle Switch
    • Knock Sensor
    • Manifold Absolute Pressure/Barometric Pressure (MAP/BARO) Sensor & Solenoid
    • Mass Airflow Sensor (MAF)
    • Power Steering Pressure (PSP) Switch
    • Throttle Position (TP) Sensor
    • Transmission Range (TR) Sensor
    • Vehicle Speed Sensor (VSS)
  • Output Signals
    • Notes
    • Cooling Fan
    • EGR System
    • Fuel Injectors
    • Fuel Pressure Regulator
    • Idle Air Control Valve
    • Torque Converter Lock-Up
• Fuel System
  • Notes
  • Fuel Delivery
    • Fuel Pump
    • Fuel Pump Relay
    • Fuel Pressure Regulator
    • Inertia Fuel Shutoff (IFS) Switch
  • Fuel Control
    • Fuel Injectors
  • Idle Speed
    • Idle Air Control (IAC) Valve
    • Throttle Position (TP) Sensor
• Ignition System
  • Distributor Ignition (Di)
• Emission Systems
  • EGR System Components
    • Exhaust Gas Recirculation (EGR) Valve
    • Exhaust Gas Recirculation (EGR) Modulator Valve
    • Exhaust Gas Recirculation (EGR) Vacuum Regulator Solenoid Valve
  • Evaporative Emission Control
    • Evaporative (EVAP) Canister
    • Evaporative (EVAP) Canister Pressure Sensor
    • Evaporative (EVAP) Canister Purge Valve
    • Evaporative (EVAP) Emission System Test Port
    • Evaporative (EVAP) Canister Vent Control Valve
    • Vacuum Cut By-Pass Solenoid
    • Vacuum Cut Valve
    • Water Separator
  • Positive Crankcase Ventilation (PCV)
• Miscellaneous Controls
  • Notes
  • Cooling Fan
  • Malfunction Indicator Light (Mil)
  • Transmission
    • Torque Converter Lock-Up