Engine Controls - System/Component Tests

• Introduction
• Air Induction Systems
  • Secondary Air Control
    • Storm GSi (DOHC)
• Computerized Engine Controls
  • Electronic Control Module (ECM)
    • Ground Circuit Checks
    • Power Circuit Checks
    • ECM Circuit Resistance (Tracker)
• Engine Sensors & Switches
  • Engine Controls - System/Component Tests
    • Coolant Temperature Sensor (Prizm & Prizm GSi)
    • Coolant Temperature Sensor (All Except Prizm & Prizm GSi)
    • EGR Temperature Sensor (Tracker - Calif. Only)
    • Knock Sensor (Prizm GSi)
    • Gear Position Switch (5th Gear M/T Tracker)
    • Manifold Absolute Pressure (MAP) Sensor (Metro, Prizm, Storm, Storm GSi & Tracker)
    • Mass Airflow (MAF) Sensor (Prizm GSi)
    • Manifold Air Temperature (MAT) Sensor (Metro, Storm, Storm GSi & Tracker)
    • Manifold Air Temperature (MAT) Sensor (Prizm & Prizm GSi)
    • Oxygen Sensor (All Models)
    • Sub-Oxygen Sensor (Prizm GSi - Calif. Only)
    • Power Steering Pressure Switch (Storm & Storm GSi)
    • Power Steering Pressure Switch (Tracker)
    • Throttle Position Sensor (Except Metro M/T & Prizm VIN 6)
    • Throttle Position Switch (Metro M/T & Prizm 4A-FE VIN 6)
    • Park/Neutral Switch (Metro)
    • Park/Neutral Switch (Storm 3-Speed)
    • Park/Neutral Switch (Storm GSi 4-Speed)
    • Park/Neutral Switch (Prizm & Prizm GSi)
    • Park/Neutral Switch (Tracker)
    • Vehicle Speed Sensor (Metro)
    • Vehicle Speed Sensor (Prizm & Prizm GSi)
    • Vehicle Speed Sensor ECU Code 24 (Storm & Storm GSi)
    • Vehicle Speed Sensor ECU Code 24 (Storm GSi)
    • Vehicle Speed Sensor ECU Code 11 (Storm GSi)
• Relays & Solenoids
  • Relays
    • Circuit Opening Relay & EFI Relay (Prizm & Prizm GSi)
    • Control Relay (Tracker)
    • EFI Main Relay (Metro)
    • EFI Main Relay (Storm & Storm GSi)
    • Fuel Pump Relay (Metro)
    • Fuel Pump Relay (Storm & Storm GSi)
  • Solenoids
    • Idle Speed Control Solenoid (Metro & Tracker)
  • Motors
    • IAC Motor (Storm & Storm GSi)
    • ISC Motor (Prizm)
• Fuel System
  • Fuel Delivery
    • Notes
    • Fuel Pressure Regulator Vacuum Switching Valve (Prizm GSi)
    • Vehicle Speed Sensor ECM Code 24 (All Models)
    • Vehicle Speed Sensor ECU Code 24 (Storm GSi Only)
    • Vehicle Speed Sensor ECU Code 11 (Storm GSi Only)
  • Fuel Control
    • Cold Start Injector (Prizm & Prizm GSi)
    • Cold Start Switch (Prizm & Prizm GSi)
    • Fuel Injector (All Models)
    • Oxygen Sensor
    • Oxygen Sensor Heater Circuit (Storm GSi)
• Idle Control System
  • Engine Controls - System/Component Tests
    • Air Valve (Metro)
    • Idle Air Valve (Prizm & Prism GSi)
    • Air Valve (Tracker)
    • Idle Air Control (IAC) Valve (Storm & Storm GSi)
    • Idle Speed Control Solenoid (Metro)
    • Idle Speed Control Solenoid Function Test (Tracker)
    • Idle Speed Control Solenoid (Tracker)
    • Idle Speed Control Solenoid Valve (Prizm)
    • Idle-Up Vacuum Switching Valve (IVSV) (Prism GSi)
    • Throttle Opener Vacuum Switching Valve (VSV) (Tracker)
• Chart C-2C Idle Air Control (IAC) (Storm)
  • Notes
  • Diagnostic Aids
    • Notes
    • Vacuum Leak (High Idle)
    • System Too Lean (High Air/Fuel Ratio)
    • System Too Rich (Low Air/Fuel Ratio)
    • Throttle Body
    • IAC Valve Electrical Connections
    • PCV Valve
  • IAC Reset Procedure
• Ignition System
• Timing Control Systems
  • Engine Controls - System/Component Tests
    • Electronic Ignition Timing Advance (Except Metro LSi w/o ESC & Tracker)
    • Mechanical Advance (Metro LSi w/o ESC & Tracker)
    • Vacuum Advance (Metro LSi w/o ESC & Tracker)
• Emission Systems & Sub-Systems
  • Exhaust Gas RECIRCULATION
    • EGR System Check
    • EGR Vacuum Supply
    • EGR Modulator (Prizm, Prizm GSi, Storm & Storm GSi)
    • EGR Modulator (Metro & Tracker)
    • EGR Vacuum Switch Valve (VSV) (Metro, Prizm, Prizm GSi, Storm & Storm GSi)
    • EGR Vacuum Switching Valve (VSV) (Tracker)
  • Fuel Evaporation
    • Charcoal Canister Check Valve (Metro)
    • Charcoal Canister Check Valve (Prizm & Prizm GSi)
    • Fuel Evaporation Canister (Storm & Storm GSi)
    • Fuel Evaporation Canister (Tracker)
    • Fuel Evaporation Bimetallic Vacuum Switching Valve (BVSV) (Metro)
    • Fuel Evaporation Bimetallic Vacuum Switching Valve (BVSV) (Prizm & Prizm GSi)
    • 2-Way Valve Check (Metro & Tracker)
  • PCV
    • PCV Valve (All Models)
  • Positive Temperature Coefficient (PTC) Heater
    • System Check (Tracker A/T)
• Miscellaneous Controls
  • Notes
  • Transmission Controls
    • Lock-Up Solenoid Relay (Tracker A/T)
    • Shift Indicator Light (Metro M/T Models)
    • Shift Indicator Light (Storm M/T Models)