Engine Controls - System/Component Tests - SOHC

• Introduction
• Computerized Engine Controls
  • Control Unit
    • Ground Circuits
    • Power Circuits (Constant Voltage)
    • Power Circuits (Ignition Voltage)
• Engine Sensors & Switches
  • A/C Switch
  • Airflow Sensor
  • Coolant Temperature Sensor
  • Crankshaft Position Sensor
  • Manifold Absolute Pressure (Map) Sensor
  • Manifold Air Temperature (Mat) Sensor
  • Oxygen Sensor (O2S)
  • Power Steering Pressure Switch
  • Throttle Position (TP) Sensor
  • Transmission Temperature Sensor
  • Vehicle Speed Sensor (VSS)
• Modules, Motors, Relays & Solenoids
  • Modules
    • Electronic Spark Control Module
  • Motors
    • IAC Motor
  • Relays
    • A/C Compressor Relay
    • ECM Main Relay
    • Starter Relay
  • Solenoids
    • Air Regulator Solenoid
• Fuel System
  • Fuel Delivery
    • Notes
    • Pressure Regulator
    • Pressure Regulator Vacuum Switching Valve (VSV)
    • Fuel Pump Relay
  • Fuel Control
    • Notes
    • Fuel Injectors
    • Fuel Injector Balance Test
• Idle Control System
  • A/C Switch
  • Idle Air Control Valve
  • Park/Neutral Switch
• Ignition System
  • Notes
  • Timing Control Systems
    • Notes
    • Electronic Spark Control
• Emission Systems & Sub-Systems
  • Exhaust Gas RECIRCULATION (EGR)
    • EGR System
    • EGR Transducer
    • EGR Vacuum Switching Valve
    • EGR Valve
  • Positive Crankcase Ventilation (PCV)
    • PCV Valve
• Miscellaneous Controls
  • Notes
  • A/C Clutch Control
  • Starter Relays
    • Starter Relay (Trooper)
• Diagnostic Charts
  • Chart C-1A - Park/Neutral Switch
  • Chart C-1D - Map Sensor Output
  • Chart C-1E - Power Steering Pressure Switch
  • Chart C-1F - Oxygen Sensor Heater Check
    • Notes
    • Diagnostic Aids
  • Chart C-2C - Idle Air Control Valve
  • Chart C-7A - EGR System
    • Notes
    • Diagnostic Aids
  • Chart C-10 - A/C Clutch Control Diagnosis
    • Notes
    • Diagnostic Aids