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Home >> Infiniti >> 2016 >> Q50 Base, RWD >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control System (DTC/Circuit Diagnosis) (Except Hybrid) (5 Of 5) >> 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 as per the following.
      ECM Voltage (V)
      Connector + -
      Terminal Terminal
      E200 143
      (Refrigerant pressure sensor signal)      		 120 1.0 - 4.0

    Is the inspection result normal?

    YES 

    INSPECTION END

    NO 

    Proceed to DIAGNOSIS PROCEDURE .

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