Engine Controls - Theory & Operation - 1.9L

• Introduction
  • Notes
  • 1995 Terminology
• Air Induction System
• Computerized Engine Controls
  • Control Unit
    • Powertrain Control Module (PCM)
  • Constant Control Relay Module (CCRM)
  • Input Devices
    • Notes
    • Barometric Pressure (BARO) Sensor
    • Brake On-Off (BOO) Switch
    • Camshaft Position (CMP) Sensor
    • Clutch Pedal Position (CPP) Switch
    • Coolant Temperature Sensor
    • Crankshaft Position (CKP) Sensor
    • Data Link Connector (DLC) & Self-Test Input (STI) Connector
    • Differential Pressure Feedback EGR (DPFE) Sensor
    • EGR Valve Position (EVP) Sensor
    • Engine Coolant Temperature (ECT) Sensor
    • Heated Oxygen Sensor (HO2S)
    • Intake Air Temperature (IAT) Sensor
    • Knock Sensor (KS)
    • Manifold Absolute Pressure (MAP) Sensor
    • Mass Airflow (MAF) Sensor
    • Park/Neutral Position (PNP) Switch
    • Power Steering Pressure (PSP) Sensor
    • Power Steering Pressure (PSP) Switch
    • Pressure Feedback EGR (PFE) Sensor
    • Programmable Speedometer/Odometer Module (PSOM)
    • Throttle Position (TP) Sensor
    • Transmission Fluid Temperature (TFT) Sensor
    • Transmission Range (TR) Sensor
    • Transmission Speed Sensor (TSS)
    • Vehicle Speed Sensor (VSS)
  • Output Signals
    • Notes
    • By-Pass Air (BPA) Valve
    • Canister Purge Valve
    • Canister Purge Solenoid Valve
    • EGR System
    • Fuel Injectors
    • Fuel Pump
    • Fuel Pressure Regulator
    • Idle Air Control (IAC) Solenoid
    • Inertia Fuel Shutoff (IFS) Switch
    • Malfunction Indicator Light
    • Transmission Solenoids
• Fuel System
  • Fuel Delivery
    • Fuel Pump
    • Fuel Pressure Regulator
    • Inertia Fuel Shutoff (IFS) Switch
  • Fuel Control
    • Fuel Injectors
  • Idle Speed
    • By-Pass Air (BPA) Valve
    • Idle Air Control (IAC) Solenoid
• Ignition System
  • Electronic Ignition (EI) (High Data Rate) System
• Emission Systems
  • Notes
  • Engine Controls - Theory & Operation - 1.9L
    • Air Cleaner Temperature Sensor
    • Vacuum Control Switches
    • Vacuum Delay Valves
    • Vacuum Reservoir
    • Vacuum Restrictor
    • Vacuum Vent Valves
  • Air Injection Systems
    • Notes
    • Secondary Air Injection (AIR) System
    • Air By-Pass (AIRB) Valve
    • Air Injection Diverter (AIRD) Valve
    • Air Injection (AIR) Solenoid
    • Air Pump
    • Air Silencer/Filter
    • Check Valve
    • Diverter (AIRD) Valve
    • Dual Air Control Solenoids
  • EGR System
    • Notes
    • EGR Valve
    • EGR Vacuum Regulator (EVR) Solenoid
    • EGR Valve Position (EVP) Sensor
  • Evaporative Emission System
    • Notes
    • Carbon Canister
    • Canister Purge (CANP) Solenoid Valve
    • Canister Purge (CANP) Valve
    • Fill Control/Vent System
    • Pressure/Vacuum Relief Fuel Cap
    • Rollover/Vent Valve
    • Vapor Vent System
  • Positive Crankcase Ventilation (PCV)
• Self-Diagnostic System
  • Notes
  • Malfunction Indicator Light (Mil)
• Miscellaneous Controls
  • Notes
  • Transmission
    • Solenoids