LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Infiniti >> 2020 >> Q50 Pure, AWD >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Control System (Diagnostics) (5 Of 6) >> Component Parts/Circuit Diagnosis >> Refrigerant Pressure Sensor >> Component Function Check >> VR30DDTT engine
April 5, 2026: LEMON Manuals is launched! Read the announcement.

VR30DDTT engine

  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.

      ECM

      Voltage (V)

      +

      -

      Connector

      Terminal

      Connector

      Terminal

      F143

      70

      (Refrigerant pressure sensor signal)

      F142

      97

      1.7 - 2.0

    Is the inspection result normal?

    YES

    INSPECTION END

    NO

    Refer to Diagnosis Procedure .

scientia non olet · About LEMON Manuals