Engine Controls - Theory & Operation - EEC

• Introduction
  • Notes
  • 1993 Terminology
• Air Induction System
  • Variable Induction System
    • High Speed Inlet Air (HSIA) System (1.8L)
    • Variable Resonance Induction System (VRIS) (2.5L)
• Computerized Engine Controls
  • Control Unit
  • Input Devices
    • Barometric Pressure (BARO) Sensor
    • Brake On/Off (BOO) Switch
    • Clutch Pedal Position (CPP) Switch
    • Coolant Temperature Sensor
    • Crankshaft Position (CKP) Sensor
    • Cooling Fan Engine Coolant Temperature (ECTF) Sensor
    • Cylinder Identification (CID) Sensor
    • Data Link Connector (DLC)
    • EGR Temperature (EGRT) Sensor
    • EGR Valve Position (EVP) Sensor
    • Engine Coolant Temperature (ECT) Sensor
    • Heated Oxygen Sensor (HO2S)
    • Idle Switch
    • Intake Air Temperature (IAT) Sensor
    • Knock Sensor (2.5L)
    • Manual Lever Position (MLP) Switch
    • Mass Airflow (MAF) Sensor
    • Oxygen Sensor (O2S)
    • Park/Neutral Position (PNP) Switch
    • Power Steering Pressure (PSP) Switch
    • Throttle Position (TP) Sensor
    • Transmission Oil Temperature (TOT) Sensor
    • Volume Airflow Meter (VAF)
    • Vehicle Speed Sensor (VSS)
  • Output Signals
    • Notes
    • A/C Relay
    • Canister Purge (CANP) Solenoid Valve
    • Cooling Fan
    • EGR System
    • Fuel Injectors
    • Fuel Pump Control
    • Fuel Pressure Regulator Control (FPRC) Solenoid
    • Idle Air Control (IAC) Valve
    • Idle Air Control/By-Pass Air (IAC/BPA) Valve
    • Malfunction Indicator Light
    • Torque Converter Lock-Up
• Fuel System
  • Notes
  • Fuel Delivery
    • Fuel Pump
    • Fuel Pump Relay
    • Fuel Pressure Regulator
    • Fuel Pressure Regulator Control (FPRC) Solenoid
    • Inertia Fuel Shutoff (IFS) Switch
  • Fuel Control
    • Fuel Injectors
  • Idle Speed
    • By-Pass Air (BPA) Valve (1.8L)
    • Idle Air Control (IAC) Solenoid (1.8L)
    • Idle Air Control/By-Pass Air (IAC/BPA) Valve
    • Idle Switch
    • Throttle Position (TP) Sensor
• Ignition Systems
  • Distributor Ignition (Di)
    • 1.8L
    • 2.0L A/T
    • 2.5L
• Emission Systems
  • Vacuum-Controlled Components
    • EGR Modulator (EGRM) Valve
    • Vacuum Control Valves (VCV)
    • Vacuum Delay Valves
    • Vacuum Reservoir
    • Vacuum Restrictor
    • Vacuum Vent Valves
  • EGR System Components
    • Notes
    • Exhaust Gas Recirculation (EGR) Valve
    • EGR Temperature (EGRT) Sensor (2.0L A/T California Only)
    • EGR Vacuum Regulator (EVR) Solenoid
    • EGR Valve Position (EVP) Sensor
    • EGR Vent (EGRV) & EGR Control (EGRC) Solenoids (2.5L)
  • Evaporative Emission Control
    • Canister Purge (CANP) Solenoid Valve
    • Carbon Canister
    • Fill Control/Vent System
    • Pressure/Vacuum Relief Fuel Cap
    • Rollover Vent Valve
    • Vapor Separator
  • Positive Crankcase Ventilation (PCV)
• Self-Diagnostic System
  • Notes
  • Malfunction Indicator Light (Mil)
• Miscellaneous Controls
  • Notes
  • A/C Clutch Cycling Pressure Switch
  • A/C Relay
  • Cooling Fan
  • Transmission
    • Torque Converter Lock-Up