Engine Controls - System/Component Tests - 1.9L

• Introduction
• Computerized Engine Controls
  • Control Unit
    • Ground Circuits
    • Power Circuits
• Engine Sensors & Switches (ECA Inputs)
  • Notes
  • Air Charge Temperature (Act) Sensor
  • Barometric Pressure Sensor (BP)
  • Cylinder Identification Sensor (CID) & Crankshaft Sensors
  • Engine Coolant Temperature (ECT) Sensor
  • EGR Valve Position (EVP) Sensor/EGR Vacuum Regulator (EVR) Solenoid
  • EGR Pressure Feedback (PFE) Sensor/Delta PFE/EGR Vacuum Regulator (EVR) Solenoid
  • Heated Gas Oxygen (HEGO) Sensor
  • Inertia Switch
  • Knock Sensor (KS)
  • Manifold Absolute Pressure (Map) Sensor
  • Mass Airflow (Ma) Sensor
  • Neutral Drive Switch (NDS) A/C Input
  • Power Steering Pressure Switch (PSPS)
  • Throttle Position Sensor (TP Or TPS)
  • Vehicle Speed Sensor (VSS)
• Relays
  • Fuel Pump Relay
• Solenoids
  • Canister Purge Solenoid (CANP)
  • Exhaust Gas RECIRCULATION (EGR) Solenoid
  • Idle Speed Control (ISC) Solenoid
• Fuel System Testing
  • Notes
  • Fuel System Pressure Release
  • Fuel Delivery
  • Fuel Pump Relay
  • Fuel Pump Testing
  • Fuel Pressure Regulator
• Fuel Control System Testing
  • Fuel Injectors
  • Injector Circuit
• Idle Control System
• Ignition Systems
• EDIS System
  • Notes
  • Preliminary Check
  • Test Equipment
  • Diagnostic Aids
  • Pinpoint Test A
  • Pinpoint Test B
  • Pinpoint Test C
  • Pinpoint Test G
    • Notes
    • Viewing Ignition System Secondary Display
    • Diagnostic Aids
  • Pinpoint Test H
• Emission Systems & Sub-Systems
  • Air Injection
    • Air Supply Pump
    • Air Silencer/Filter (Air Pump & Pulse Air Inlet)
    • Air By-Pass Valve (Normally Closed)
    • Air Check Valve
    • Air Supply Control Valve
    • Air Control Valve (Switch-Relief)
    • Air Pump Resonator
    • Combination Air By-Pass/Air Control Valve
    • Dual Thermactor Air Control Solenoid Valve
    • Thermactor Idle Vacuum (TIV) Valve
    • Vacuum Control Valve (VCV)
    • Electrical Vacuum Control Valve
    • Vacuum Check Valve
    • Vacuum Reservoir
    • Pulse Air Valve
  • Exhaust Gas RECIRCULATION (EGR)
    • Electronic EGR Valve (EEGR) & Pressure Feedback Electronic (PFE)
    • EGR Vacuum Regulator (EVR)
    • EGR Solenoid
    • Differential Pressure Feedback Electronic (DPFE) Transducer
    • Pressure Feedback Electronic (PFE) Transducer
    • Vacuum Check Valve
    • Vacuum Reservoir
  • Fuel Evaporation
    • Canister Purge Regulator (CPR) Valve
    • Canister Purge (CANP) Solenoid
    • EVAP Canister
  • Positive Crankcase Ventilation (PCV)
    • PCV Valve
  • Thermostatic Air Cleaner (TAC)
    • Air Cleaner Temperature Sensor
    • Air Control Door
• Wiring Diagrams