Engine Controls - System/Component Tests

• Introduction
• Computerized Engine Controls
  • Electronic Control Unit (Ecu)
    • Notes
    • Ground Circuits
    • Power Circuits
• Engine Sensors & Switches
  • Notes
  • Airflow Meter
  • Coolant (Engine) Temperature Sensor
  • Crankshaft Angle Sensor
  • Knock Sensor
  • Exhaust Gas Oxygen Sensor (G20 & M30)
  • Exhaust Gas Oxygen Sensor (Q45)
  • Exhaust Gas Oxygen Sensor Heater
  • Exhaust Gas Temperature Sensor (CALIFORNIA)
  • Fuel Temperature Sensor (M30 & Q45)
  • Neutral Switch (G20 M/T)
  • Park/Neutral Input (G20 & M30 A/T)
  • Park/Neutral Relay Input (Q45)
  • Power Steering Oil Pressure Switch (G20)
  • Power Steering Oil Pressure Switch (Q45)
  • Start (Ignition Switch) Signal
  • Sub-Crankshaft Position Sensor (Q45)
  • Throttle Position Sensor (TPS) & Idle Switch
  • Vehicle Speed Sensor
• Relays & Solenoids
  • Relays
    • A/C Clutch Relay
    • ECCS, Fuel Pump & Ignition Coil Relays
    • Park/Neutral Relay (Q45)
    • Safety Relay (M30)
  • Solenoids
    • Air Induction Valve (AIV) Control Solenoid
    • Auxiliary Air Control (AAC) Solenoid
    • EGR Solenoid Valve
    • Fuel Injector
    • Fuel Pressure Regulator Solenoid (M30)
    • Canister Purge Solenoid Valve (G20 & Q45)
    • Variable Valve Timing Solenoid (Q45)
• Fuel System
  • Fuel Delivery
    • Relieving Fuel Pressure
    • Fuel Pressure
    • Fuel Pressure Regulator
    • Fuel Pressure Regulator Solenoid (M30)
    • Fuel Pump
    • Fuel Pump Control Unit (Q45)
    • Fuel Pump Relay
    • Start Signal
  • Fuel Control
    • Notes
    • Feedback System
    • Fuel Injector
    • Fuel Temperature Sensor (M30 & Q45)
• Idle Control System
  • Notes
  • Air Cut Valve (Q45 With Traction Control System)
  • Air Regulator (G20 & M30)
  • Auxiliary Air Control (AAC) Solenoid
  • Fast Idle Control Device (FICD) Solenoid (G20 & M30)
• Ignition System
  • Introduction
  • DISTRIBUTORLESS Ignition System (Q45)
    • Ignition Coil
    • Power Transistor
    • Crankshaft Angle Sensor
  • Optical Ignition System (G20 & M30)
    • Ignition Coil
    • Power Transistor
    • Crankshaft Angle Sensor
  • Ignition Timing Control System
    • Timing Advance System
    • Detonation Retard Operation
• Emission Systems & Sub-Systems
  • Air Induction (G20)
    • Notes
    • Air Induction Valve (AIV)
    • AIV Control Solenoid
  • Exhaust Gas RECIRCULATION (EGR)
    • Notes
    • EGR System Check
    • EGR Backpressure Transducer
    • EGR Valve
    • EGR Solenoid Valve
    • Exhaust Gas Temperature Sensor
  • Fuel Evaporation
    • Carbon Canister & Purge Control Valve
    • Canister Purge Solenoid Valve (G20 & Q45)
    • Vacuum Relief Filler Cap
• Positive Crankcase Ventilation
• Miscellaneous Controls
  • A/C Clutch Relay
  • Variable Valve Timing Solenoid (Q45)
• Component Locations