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Home >> Nissan-Datsun >> 2021 >> NV2500 HD S >> Repair and Diagnosis >> External Pages >> Different car >> Section 316 (Engine Control System (DTC/Circuit Diagnosis) (4.0L) (4 Of 4)) >> DTC/Circuit Diagnosis >> Refrigerant Pressure Sensor >> Component Function Check

Component Function Check

WARNING: This page is about a different car, the 2018 Nissan NV3500 HD, 2018 Nissan NV2500 HD, and 2018 Nissan NV1500. However, it is still accessible from the selected car via links, so may be relevant.
  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

      (Approx.)

      Connector

      +

      -

      Terminal

      F77

      63

      64

      1.0 - 4.0V

    Is the inspection result normal?

    YES

    INSPECTION END

    NO

    Proceed to Diagnosis Procedure .

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