Engine Controls - System/Component Tests

• Introduction
• Air Induction Power Valve Systems
  • Swirl Control Valve
    • System
    • Actuator
    • Control Solenoid
• Computerized Engine Controls
  • Electronic Control Unit (Ecu) Power & Ground Circuits
• Engine Sensors & Switches
  • Notes
  • Airflow Meter
  • A/C Switch
  • Air Temperature Sensor
  • Crankshaft Angle Sensor
  • Engine (Coolant) Temperature Sensor
  • Exhaust Gas (Oxygen) Sensor
  • Exhaust Gas Temperature Sensor (CALIFORNIA Models)
  • Idle Switch
  • Neutral/Inhibitor Switch
  • Power Steering Oil Pressure Switch
  • Throttle Position Sensor (TPS)
  • Vehicle Speed Sensor
• Relays & Solenoids
  • Relays
    • Notes
    • Except Safety Relay
    • Safety Relay
    • Air Injection Control Valve Solenoid
    • EGR Control Solenoid
    • Pressure Regulator Vacuum Relief (PRVR) Control Solenoid
    • Swirl Control Valve Solenoid
• Fuel System
  • Fuel Delivery
    • Notes
    • Start Signal
    • Fuel Pressure Regulator
    • Pressure Regulator Vacuum Relief (PRVR) Control Solenoid (Stanza & 300ZX)
    • Fuel Pump
    • Fuel Pump Relay
  • Fuel Control
    • Start Signal
    • Feedback System
    • Fuel Injector
• Idle Control System
  • Start Signal
  • Auxiliary Air Control (AAC) Valve
• Ignition System
  • Notes
  • Start Signal
  • Power Transistor
• Timing Control Systems
  • Timing Advance System
• Emission Systems & Sub-Systems
  • Air Injection Valve
    • Air Injection Valve
    • Air Injection Valve Control Solenoid
  • Canister Purge
    • 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 Fans
• Diagnostic Charts
  • Introduction
  • Air Injection Valve Chart
  • Auxiliary Air Control Chart
  • EGR Function Chart
  • Fuel Pump Chart
  • Throttle Valve Switch Chart
  • Injector Malfunction Chart
  • Neutral Switch & A/T Control Chart
  • Ecu Power Source & Ground Chart
  • Radiator (Cooling) Fan Control Chart
  • Start Signal Chart
  • Swirl Control Valve Chart
  • Power Steering Oil Pressure Switch Chart
  • Pressure Regulator Vacuum Relief Chart