Engine Controls - Theory & Operation

• Introduction
• System Application
• Air Induction System
  • Resonance Intake Manifold
    • HFM-SFI Equipped Vehicles
• Computerized Engine Controls (HFM-SFI System)
  • Notes
  • Input Devices
    • Closed Throttle Position Recognition
    • Diagnostic Module Pressure Sensor
    • Hot-Film Mass Airflow Sensor
    • Intake Air Temperature Sensor
    • Knock Sensor Signals
    • Oxygen Sensor
    • Throttle Valve Position
    • Vehicle Speed Signal
  • Output Devices
    • Cruise Control/Idle Speed Control Actuator
    • Electronic Accelerator Control Actuator
    • Engine Control Module
    • Exhaust Gas Recirculation (EGR)
• Fuel System
  • Fuel Control (HFM-SFI)
    • Deceleration Shutoff
    • Fuel Safety Shutoff
    • Fuel Shutoff Due To Ignition Failure
    • Maximum Vehicle Speed Control
• Ignition System
  • Ignition Timing Control (HFM-SFI)
    • Anti-Knock Control
    • Ignition During Deceleration Shutoff
    • Ignition When Starting Engine
    • Intake Air Temperature Correction
• Emission Systems
  • HFM-SFI System
    • Catalyst Warm-Up
    • Charcoal Canister Purging
• Self-Diagnostic System
  • HFM-SFI System
    • Malfunction Indicator Light (MIL)
    • Diagnostic Module (OBD-II)
• Miscellaneous Controls
  • HFM-SFI System
    • Battery Voltage & Voltage Supply
    • Camshaft Adjustment
    • Controller Area Network (CAN)
    • Engine Braking Regulation (EBR)
    • Engine Speed Limitation
    • Torque Reduction
    • Transmission Overload Recognition
    • Transmission Range Signal
    • Transmission Upshift Delay