Section 5 (Engine Controls - System/Component Tests - 2.3L 4-CYL)

• Introduction
• Air Induction Systems
  • Air Intake System
    • Notes
    • Intake Air By-Pass (IAB) Valve
    • IAB Control System Check
    • Intake Control Diaphragm
• Computerized Engine Controls
  • Engine Control Module (Pcm)
    • Ground Circuits
    • Power Circuits
• Relays & Solenoids
  • Relays
    • PGM-FI Main Relay Test
• Fuel System
  • Fuel Delivery
  • Fuel Control
    • Fuel Injectors
    • Fuel Injector Resistor
    • Main Relay Harness Check
• Idle Control System
  • Air Conditioning Signal
  • Alternator (Alt) Fr Signal
  • Brake Switch Signal
  • Fast Idle THERMO Valve
  • Power Steering Pressure (PSP) Switch Signal
  • Starter Switch Signal
• Ignition System
• Emission Systems & Sub-Systems
  • Fuel Evaporation
    • EVAP 2-Way Valve (Tank Mounted)
    • EVAP 2-Way Valve (Engine Bay Mounted)
  • Positive Crankcase Ventilation (PCV)
• Wiring Diagrams