Engine Controls [Theory & Operation]

• Introduction
• Air Induction System
  • Electronic Throttle System (MAZDA6)
  • Variable Air Duct System (MAZDA6)
  • Variable Intake-Air System (MAZDA6 - 2.3L)
  • Variable Inertia Charge System (Protege & Protege5)
  • Variable Tumble Control System (MAZDA6 (2.3L) & MIATA)
  • Intake Manifold Communication Control (MPV)
• Computerized Engine Controls
  • Notes
  • Powertrain Control Module
  • Input Devices
    • Notes
    • A/C Amplifier
    • A/C Pressure Switch
    • A/C Switch
    • Accelerator Pedal Position (APP) Sensor
    • Brake Switch
    • Camshaft Position (CMP) Sensor
    • Clutch Pedal Position (CPP) Switch (M/T)
    • Crankshaft Position (CKP) Sensor
    • Cylinder Head Temperature (CHT) Sensor - B2300 & Tribute 2.0L
    • Differential Pressure Feedback EGR (DPFEGR) Sensor
    • EGR Boost Sensor
    • EGR Position Sensor
    • Engine Coolant Temperature (ECT) Sensor
    • EVAP System Leak Detection Pump - Mazda6, Miata & MPV
    • Fuel Tank Pressure (FTP) Sensor
    • Heated Oxygen Sensor (HO2S)
    • Intake Air Temperature (IAT) Sensor
    • Knock Sensor (KS)
    • Main Relay
    • Mass Airflow (MAF) Sensor
    • Manifold Absolute Pressure Sensor - B2300 & Mazda6 2.3L
    • Neutral Switch
    • Power Steering Pressure (PSP) Switch
    • Throttle Position (TP) Sensor
    • Transmission Fluid Temperature (TFT) Sensor
    • Transaxle/Transmission Range Sensor
    • Vehicle Speed Sensor (VSS)
  • Output Signals
    • Notes
    • A/C Cut-Out System
    • A/C Relay
    • By-Pass Air Control Valve
    • Canister Purge Solenoid
    • EGR Valve
    • Fuel Injectors
    • Fuel Pump
    • Fuel Pump Relay
    • Fuel Vapor Vent Valve
    • Idle Air Control (IAC) Valve
    • Ignition Timing Advance Control
    • Malfunction Indicator Light (MIL)
    • Pressure Regulator Control Solenoid
    • Throttle Actuator
• Fuel System
  • Fuel Delivery
    • Fuel Pump
    • Fuel Pump Relay
    • Fuel Pressure Regulator
    • Pressure Regulator Control (PRC) Solenoid
  • Fuel Control
    • Fuel Injectors
  • Idle Speed
    • A/C Cut-Out System
    • By-Pass Air Control (BAC) Valve
    • Idle Air Control (IAC) Valve
• Ignition Systems
  • DISTRIBUTORLESS Ignition System
    • Except Mazda6, MPV & Tribute 3.0L
    • Mazda6, MPV & Tribute 3.0L
  • Ignition Timing Control Systems
    • Ignition Timing Advance Control
    • Detonation (Knock) Retard Operation
• Emission Systems
  • Notes
  • Deceleration Control System
  • Exhaust Gas RECIRCULATION System
  • Fuel Evaporative System (Except MAZDA6, MIATA & MPV)
    • Notes
    • Canister Purge Solenoid Valve
    • Fuel Vapor Vent (FVV) Valve System
  • Fuel Evaporative System (MAZDA6, MIATA & MPV)
  • Positive Crankcase Ventilation
• Self-Diagnostic System
  • Notes
  • Malfunction Indicator Light
• Miscellaneous Controls
  • Notes
  • A/C Clutch Cycling Pressure Switch
  • Variable Valve Timing (MAZDA6 & MIATA)
  • Wide Open Throttle A/C Cut-Off