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Home >> Nissan-Datsun >> 2021 >> Sentra S >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Control System (2 Of 2) >> Components/Circuit Diagnosis >> Refrigerant Pressure Sensor >> Component Function Check
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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 under the following conditions.

      ECM

      Voltage

      Connector

      +

      -

      Terminal

      F24

      48

      45

      1.0 - 4.0 V

    Is the inspection result normal?

    YES

    INSPECTION END

    NO

    Refer to Diagnosis Procedure .