Engine Controls - System/Component Tests

• Introduction
  • Notes
  • Terminology
• Computerized Engine Controls
  • Engine Control Module (ECM)
    • Ground Circuit Checks
    • Power Circuit Checks
  • Engine Sensors & Switches
    • Notes
    • Camshaft Position Sensor
    • EGR Temperature Sensor
    • Electrical Load Sensor
    • Engine Coolant Temperature (ECT) Sensor
    • Intake Air Temperature (IAT) Sensor
    • Manifold Absolute Pressure (MAP) Sensor
    • Oxygen (O2) Sensor
    • Park/Neutral Position Switch
    • Throttle Position (TP) Sensor
    • Vehicle Speed Sensor
• Modules, Relays & Solenoids
  • Modules
    • Diode Module Or Diode
  • Relays
    • FI Relay
    • Fuel Pump Relay
  • Solenoids
    • A/C Solenoid Vacuum (SV) Valve (Standard Emissions)
    • Evaporative Emission Solenoid Purge (EVAP SP) Valve (Upgraded
    • Exhaust Gas Recirculation Solenoid Vacuum (EGR SV) Valve
    • Fuel Injector
    • Idle Air Control (IAC) Valve (Standard Emissions)
• Fuel System
  • Fuel Delivery
    • Notes
    • Fuel Pressure Regulator
  • Fuel Control
    • Fuel Injector
    • Fuel Pump Relay
• Idle Control System
  • A/C Solenoid Vacuum (SV) Valve (Standard Emissions)
  • Fast Idle Air Valve (Standard Emissions)
  • Idle Air Control (IAC) Valve
• Ignition System
  • Notes
  • Timing Control Systems
    • Electronic Ignition Timing Advance (Metro XFi)
    • Mechanical Advance (Without ESC)
    • Vacuum Advance (Without ESC)
• Emission Systems & Sub-Systems
  • Exhaust Gas RECIRCULATION
    • EGR System Check
    • EGR Vacuum Supply
    • EGR Modulator
    • EGR Solenoid Vacuum (SV) Valve
  • Fuel Evaporation
    • Fuel Evaporation Canister Check Valve (Standard Emissions)
    • PCV Valve
• Miscellaneous Controls
  • Notes
  • Transmission Controls
    • Shift Indicator Light (M/T)
• Diagnostic Charts
  • Chart C-1A, Electrical Load Idle-Up Signal Check