Engine Controls - Theory & Operation

• Introduction
  • Notes
  • Terminology
• Computerized Engine Controls
  • Notes
  • Powertrain Control Module (Pcm)
  • Input Devices
    • Notes
    • Barometric Pressure (BARO) Sensor
    • Brake On-Off (BOO) Switch
    • Clutch Engage Switch (CES)
    • Crankshaft Position (CKP) Sensor
    • Electrical Load Switches
    • Engine Coolant Temperature (ECT) Sensor
    • Mass Airflow (MAF) Meter
    • Oxygen Sensor (O2S)
    • Park/Neutral Position (PNP) Switch (A/T)
    • Power Steering Pressure Switch (PSPS)
    • Throttle Position (TP) Sensor/Switch
    • Volume Airflow (VAF) Meter
    • Volume Air Temperature (VAT) Sensor
  • Output Signals
    • Notes
    • Canister Purge Control Solenoid (EVAP-CPCS)
    • Mil
    • Fuel Injectors
    • Idle Speed Control By-Pass Air (ISC-BPA) Valve
• Fuel System
  • Fuel Delivery
    • Notes
    • Fuel Pump
    • Fuel Pump Relay
    • Fuel Pressure Regulator
    • Inertia Fuel Shutoff (IFS) Switch
  • Fuel Control
    • Electronic Fuel Injection (EFI)
  • Idle Speed
• Ignition System
  • Electronic Ignition System
    • Aspire
  • Ignition Timing Control System
    • Aspire
    • High Altitude Spark Advance Correction
• Emission Systems
  • Deceleration System (Dashpot)
  • Evaporative System
    • Carbon Canister
    • Canister Purge Control Solenoid
    • Canister Purge Control Valve
    • Rollover Vent Valve
  • Catalytic Converter
  • PCV Valve
• Self-Diagnostic System
  • Notes
  • Malfunction Indicator Light (Mil)