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Home >> Nissan-Datsun >> 2017 >> Quest SL >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control System (DTC/Circuit Diagnosis) (3 Of 3) >> DTC / Circuit Diagnosis >> Refrigerant Pressure Sensor >> Component Function Check >> Diagnostic Test
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Diagnostic Test

  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 (V)
      Connector + -
      Terminal Terminal
      F14 20
      (Refrigerant pressure sensor signal)      		 25
      (Sensor ground)      		 1.0 - 4.0

    Is the inspection result normal?

    YES 

    INSPECTION END

    NO 

    Proceed to DIAGNOSIS PROCEDURE .

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