Engine Controls - System/Component Tests - 2.3L

• Introduction
• Air Induction Systems
  • Air Intake System
    • Notes
    • Intake Air By-Pass (IAB) Valve (H22A1 & H23A1)
    • IAB Control Solenoid Valve (H22A1 & H23A1 Engines)
    • Intake Control Diaphragm (H22A1 & H23A1 Engines)
• Computerized Engine Controls
  • Engine Control Module (ECM)
    • Ground Circuits
    • Power Circuits
• Engine Sensors & Switches
  • Notes
  • Barometric Pressure (BARO) Sensor
  • Engine Coolant Temperature (ECT) Sensor
    • Resistance Test
  • EGR Valve Lift Sensor
  • Heated Oxygen Sensor (Ho2S)
  • Intake Air Temperature (IAT) Sensor
    • Resistance Test
  • Manifold Absolute Pressure (Map) Sensor
    • Voltage Test
    • Vacuum Test
  • Oxygen Sensor (O2S)
  • Power Steering Pressure (PSP) Switch
  • TDC/CKP/CYP Sensor
  • Throttle Position (TP) Sensor
  • Vehicle Speed Sensor (VSS)
• Relays & Solenoids
  • Relays
    • Main Relay (PGM-FI)
  • Solenoids
    • IAB Control Solenoid
    • Idle Air Control (IAC) Valve
    • EGR Control Solenoid Valve
    • EVAP Purge Control Solenoid Valve
• Fuel System
  • Fuel Delivery
  • Fuel Control
    • Fuel Injectors
  • Injector Resistance
    • Notes
    • Fuel Injector Resistor
    • Main Relay Harness
• Idle Control System
  • Electric Load Detector
  • Idle Air Control (IAC) Valve
  • Fast Idle THERMO Valve
• Ignition System
• Emission Systems & Sub-Systems
  • Exhaust Gas RECIRCULATION (EGR) System
    • EGR Valve
  • Fuel Evaporation
    • EVAP Purge Control Solenoid Valve
    • EVAP Canister
    • EVAP 2-Way Valve
  • Positive Crankcase Ventilation (PCV)
• Wiring Diagrams