LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Infiniti >> 2010 >> FX50 >> Repair and Diagnosis (Single Page) >> Engine Performance >> Testing & Diagnosis >> Engine Control System (VK50VE) - Component & System Checks, Ecu & Symptom Diagnosis, Precautions & Preparations, On-Vehicle Maintenance & Repair, Service Data And Specifications (SDS) >> Refrigerant Pressure Sensor >> Component Function Check
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Component Function Check

  1. CHECK REFRIGERANT PRESSURE SENSOR FUNCTION 
    1. Start engine and warm it up to normal operating temperature.
    2. Turn A/C switch and blower fan switch ON.
    3. Check the voltage between ECM harness connector terminals as per the following.
      VOLTAGE REFERENCE TABLE

      ECM Voltage (V)
      Connector + -
      Terminal Terminal
      F111 90 (Refrigerant pressure sensor signal) 66 1.0 - 4.0

      Is the inspection result normal? 

      YES: INSPECTION END

      NO: Go to DIAGNOSIS PROCEDURE .

scientia non olet · About LEMON Manuals