Engine Controls - System/Component Tests

• Introduction
• Computerized Engine Controls
  • Electronic Control Unit (Ecu) Power & Ground Circuit
• Engine Sensors & Switches
  • Notes
  • Airflow Meter
  • Air Conditioner Switch
  • Crankshaft Angle Sensor
  • Detonation Knock Sensor
  • Engine (Coolant) Temperature Sensor
  • Exhaust Gas (Oxygen) Sensor
  • Exhaust Gas Temperature Sensor (CALIFORNIA Models)
  • Neutral/Inhibitor Switch
  • Power Steering Oil Pressure Switch
  • Throttle Position Sensor (TPS) & Idle Switch
  • Vehicle Speed Sensor (Analog Instrument Cluster)
  • Vehicle Speed Sensor (Digital Instrument Cluster)
• Relays & Solenoids
  • Relays
    • Notes
    • Except Safety Relay
    • Safety Relay
  • Solenoids
    • Air Injection Control Valve Solenoid
    • EGR Control Solenoid
    • Valve Timing Control Solenoid (NX 1.6L)
• Fuel System
  • Fuel Delivery
    • Notes
    • Start Signal
    • Fuel Pump
    • Fuel Pump Relay
• Fuel Control System
  • Start Signal
  • Feedback System
  • Fuel Injector
• Idle Control System
  • Start Signal
  • Air Regulator
  • Auxiliary Air Control (AAC) Solenoid/Valve
  • Fast Idle Control Device (FICD)
• Ignition System
  • Notes
  • Start Signal
  • Power Transistor
• Timing Control Systems
  • Timing Advance System
  • Detonation Retard Operation
• Emission Systems & Sub-Systems
  • Air Injection
    • Air Injection Valve (AIV)
    • Air Injection Control Valve Solenoid
• Canister Purge System
  • Carbon Canister
  • Fuel Tank Vacuum Relief Valve
  • Fuel Vapor Check Valve
• Exhaust Gas RECIRCULATION (EGR)
  • Start Signal
  • EGR Control System
  • EGR BACKPRESSURE Transducer
  • EGR Valve
  • EGR Control Solenoid
• Positive Crankcase Ventilation (PCV)
• Miscellaneous Controls
  • Notes
  • Radiator (Cooling) Fan Control Relay(S)
• Diagnostic Charts
  • Notes
  • Air Injection Valve Chart
  • Air Regulator Chart
  • Auxiliary Air Control (AAC) Chart
  • EGR Control Chart
  • Exhaust Gas Sensor Heater Chart
  • Fuel Pump Chart
  • Injector Malfunction Chart
  • Neutral/Inhibitor Switch Chart
  • Ecu Power Source & Ground Chart
  • Radiator (Cooling) Fan Control (1.6L) Diagnostic Chart
  • Radiator (Cooling) Fan Control (2.0L) Diagnostic Chart
  • Start Signal Chart
  • Power Steering Oil Pressure Switch Chart
  • Valve Timing Control (VTC) Diagnostic Chart