Engine Controls - System/Component Tests

• Introduction
• Air Induction Systems
  • Swirl Control Valve (240SX)
    • System
    • Actuator
    • Control Solenoid
• Computerized Engine Controls
  • Electronic Control Unit (Ecu) Power & Ground Circuits
• Engine Sensors & Switches
  • Notes
  • Airflow Meter
  • A/C Switch
  • Crankshaft Angle Sensor
  • Knock (Detonation) 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)
  • Vehicle Speed Sensor (Digital Instrument Cluster)
• Relays & Solenoids
  • Relays
    • Notes
    • Except Safety Relay
    • Safety Relay
  • Solenoids
    • Air Injection Valve Control Solenoid
    • EGR Control Solenoid
    • Fast Idle Control Device (FICD)
    • Swirl Control Valve Control Solenoid
• Fuel System
  • Fuel Delivery
    • Notes
    • Start Signal
    • Fuel Pressure Regulator
    • Fuel Pump
    • Fuel Pump Relay
  • Fuel Control
    • Start Signal
    • Feedback System
    • Fuel Injector
• Idle Control System
  • Start Signal
  • Air Regulator
  • Auxiliary Air Control (AAC) Valve
  • Fast Idle Control Device (FICD)
• Ignition Systems
  • Notes
  • Start Signal
  • Power Transistor
  • Timing Control Systems
    • Timing Advance
    • Detonation (Knock) Retard
• Emission Systems & Sub-Systems
  • Air Injection
    • Air Injection Valve (AIV)
    • Air Injection Valve Control Solenoid
  • Canister Purge System
    • Carbon Canister
    • Fuel Tank Vacuum Relief Valve
    • Fuel Vapor Check Valve
  • Exhaust Gas RECIRCULATION (EGR)
    • Start Signal
    • EGR Control/Function
    • EGR Backpressure Transducer
    • EGR Valve
    • EGR Control Solenoid
  • Positive Crankcase Ventilation (PCV)
• Miscellaneous Controls
  • Please Read This First
  • Condenser Cooling Fan
• Diagnostic Charts
  • Introduction
  • Air Injection Valve Diagnostic Chart
  • Air Regulator Diagnostic Chart (240SX)
  • Auxiliary Air Control Diagnostic Chart
  • EGR Function Diagnostic Chart
  • Fuel Pump Diagnostic Chart
  • Injector Malfunction Diagnostic Chart
  • Neutral/Inhibitor Switch Diagnostic Chart
  • Ecu Power Source & Ground Diagnostic Chart
  • Condenser (Cooling) Fan Control Diagnostic Chart
  • Power Steering Oil Pressure Switch Diagnostic Chart
  • Start Signal Diagnostic Chart
  • Swirl Control Valve Diagnostic Chart