Engine Controls - Theory & Operation

• Introduction
• Air Induction System
• Computerized Engine Controls
  • Notes
  • Engine Control Module/Powertrain Control Module (ECM/Pcm)
  • Input Devices
    • Notes
    • Air Conditioning Switch
    • Barometric (BARO) Pressure Sensor
    • Camshaft Position (CMP) Sensor
    • Closed Throttle Position Switch
    • Crankshaft Position (CKP) Sensor
    • Engine Coolant Temperature (ECT) Sensor
    • Heated Oxygen Sensor (HO2S)
    • Ignition Timing Adjustment Terminal
    • Intake Air Temperature (IAT) Sensor
    • Knock Sensor (KS)
    • Manifold Differential Pressure (MDP) Sensor
    • Park/Neutral Position (PNP) Switch (Automatic Transmission)
    • Power Steering Oil Pressure Switch
    • Throttle Position (TP) Sensor
    • Vehicle Speed Sensor (VSS)
    • Volume Airflow (VAF) Sensor
  • Output Signals
    • Notes
    • Data Link Connector (DLC)
    • EGR Solenoid
    • Fuel Injectors
    • Fuel Pressure Regulator
    • Idle Air Control (IAC) Motor
    • Malfunction Indicator Light
    • Power Transistor(s) & Ignition Coils
    • Purge Solenoid Valve
    • Vent Solenoid Valve
• Fuel System
  • Fuel Delivery
    • Notes
    • Fuel Pump
    • Fuel Pressure Regulator
  • Fuel Control
    • Fuel Injectors
  • Idle Speed
    • Air Conditioning (A/C) Relay
    • Idle Air Control (IAC) Motor
• Ignition Systems
  • Direct Ignition System (Dis)
    • Notes
    • Eclipse 2.4L, Galant 2.4L & Mirage 1.8L
    • Montero & Montero Sport
  • Hall Effect Ignition System
    • Notes
    • Diamante, Eclipse 3.0L, Galant 3.0L & Mirage 1.5L
  • Ignition Timing Control System
• Emission Systems
  • Exhaust Gas RECIRCULATION (EGR) Control
  • Evaporative Emission Control
    • Notes
    • Purge Solenoid Valve
    • Vent Solenoid Valve
    • Fuel Overflow Limiter Valve
  • Positive Crankcase Ventilation (PCV) Valve
• Self-Diagnostic System
  • Notes
  • Malfunction Indicator Light (Mil)