Engine Control System - Theory & Operation

• Introduction
• Air Induction Systems
  • Airflow Sensing
    • Mass Airflow Sensor
    • Speed Density
  • Supercharger (3.8L VIN 1)
• Computerized Engine Controls
  • Notes
  • Powertrain Control Module
    • Notes
    • Torque Management
  • Input Devices
    • Notes
    • A/C Request Signal
    • A/C Pressure Sensor
    • A/C Pressure Switches
    • A/C Temperature Sensors
    • Accelerator Pedal Position Sensor (3.0L)
    • Accelerator Pedal Position Sensor (5.7L)
    • Battery Voltage
    • Brake Switch Feedback
    • Camshaft Position Sensor (2.2L & 2.4L)
    • Camshaft Position Sensor (3.0L)
    • Camshaft Position Sensor (3.1L & 3.4L)
    • Camshaft Position Sensor (3.5L, 4.0L, 4.6L & 5.7L)
    • Camshaft Position Sensor (3.8L)
    • Crankshaft (7X) Sensor (1.9L, 2.2L & 2.4L)
    • Crankshaft Sensor (3.0L)
    • Crankshaft (3X/7X & 24X) Sensor (3.1L & 3.4L)
    • Crankshaft Sensor (3.5L, 4.0L & 4.6L)
    • Crankshaft (3X/18X) Sensor (3.8L)
    • Crankshaft (4X/24X) Sensor (5.7L)
    • Engine Coolant Temperature Sensor
    • Fuel Level Sensor
    • Fuel Tank Pressure Sensor
    • Gear Switches
    • Generator "L" Light Circuit
    • Generator "F" Field Circuit
    • Ignition/Crank Signal
    • Intake Air Temperature Sensor
    • Knock Sensor
    • Manifold Absolute Pressure Sensor
    • Mass Airflow Sensor
    • Oxygen Sensor (Sensor 1 - 1.9L)
    • Oxygen Sensors (Except Sensor 1 - 1.9L & Sensor 1 - 3.0L)
    • Oxygen Sensors (Sensor 1 - 3.0L)
    • RPM Reference Signal
    • Throttle Position Sensor
    • Vehicle Speed Sensor
  • Output Signals
    • Notes
    • A/C Compressor Clutch
    • Air Injection System
    • Boost Control Solenoid (Supercharger)
    • Canister Purge Control Solenoid
    • Coil-Near-Plug Ignition
    • Computer Controlled Coil Ignition (C I)
    • Cooling Fan Relay
    • Digital EGR Valve
    • Direct Ignition System
    • EGR Control Solenoid
    • Electronic Variable Orifice Actuator
    • Fuel Injectors
    • Fuel Pump & Fuel Pump Relay
    • HOT Light Or Coolant Temperature (TEMP) Light
    • Idle Air Control Valve
    • Integrated Direct Ignition
    • Linear EGR Valve
    • Knock Sensor Operation
    • Malfunction Indicator Light
    • Self-Diagnostics
    • Serial Data
    • Shift Light
    • Shift Solenoids (Electronically-Controlled Transmission)
    • Throttle Actuator
    • Torque Converter Clutch
• Fuel Systems
  • Fuel Delivery
    • Fuel Pump
    • Fuel Pump Relay
    • Fuel Pressure Regulator
  • Fuel Control (Except 3.0L)
    • Notes
    • Starting Mode
    • Clear Flood Mode
    • Run Mode
    • Acceleration Mode
    • Deceleration Mode
    • Battery Voltage Correction Mode
    • Fuel Cut-Off Mode
    • Short Term Fuel Trim
    • Long Term Fuel Trim
  • Fuel Control (3.0L)
  • Idle Speed
    • Notes
    • Idle Air Control Valve
• Ignition Systems
  • Dis (3.0L, 3.5L, 4.0L & 4.6L)
    • Notes
    • Modes of Operation
  • Coil-Near-Plug Ignition (5.7L)
    • Notes
    • Modes of Operation
  • Computer Controlled Coil Ignition (3.8L)
    • Notes
    • Modes of Operation
  • Electronic Ignition (1.9L)
    • Notes
    • Ignition Control
    • Compression Sense Ignition
    • Spark Knock Control
  • Electronic Ignition (2.2L - VIN 4 & 2.4L)
    • Notes
    • Modes of Operation
  • Electronic Ignition (2.2L - VIN F)
    • Notes
    • Modes of Operation
• Emission Systems
  • Notes
  • Secondary Air Injection System
    • Notes
    • AIR Pump (Electric)
    • AIR Shut Off Valve
    • AIR Vacuum Control Solenoid
    • Check Valves
    • Plumbing
  • Catalytic Converter
    • Three-Way Catalytic Converter
  • Exhaust Gas RECIRCULATION
    • Notes
    • Linear EGR System
  • Evaporative Emission Control
    • Notes
    • EVAP Canister
    • EVAP Purge Solenoid
    • EVAP Vent Solenoid
    • Fuel Tank Pressure Sensor
    • EVAP Service Port
  • Positive Crankcase Ventilation
• Self-Diagnostic Systems
  • Description
  • Malfunction Indicator Light
  • Monitors
    • Description
    • Conditions For Updating I/M System Status
    • Monitored Emission Control Systems
  • Serial Data
• Throttle Actuator Control System
  • Throttle Actuator Control
    • 3.0L
    • 5.7L
• Miscellaneous Controls
  • Notes
  • A/C Compressor Clutch
    • Notes
    • A/C Pressure Sensor
  • Electric Cooling Fan
  • Electronic Variable Orifice Actuator
  • Hot Light Or Coolant Temperature Light
  • Transmission
    • Torque Converter Clutch (Electronic Transaxle/Transmission)
    • Electronic Transmission
    • Shift Light (Except Corvette)
    • 1-To-4 Light (Corvette)
    • 2nd & 3rd Gear Block-Out Relay (Camaro, Corvette & Firebird)
    • Reverse Lockout