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Home >> Infiniti >> 2022 >> Q60 Pure, AWD >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Control System (Diagnostics) (3 Of 4) >> Component/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 as per the following.

      ECM

      Condition

      Voltage

      +

      -

      Connector

      Terminal

      Connector

      Terminal

      F142

      108

      (Refrigerant pressure sensor signal)

      F142

      125

      [Engine is running]

      • Warm-up condition
      • Idle speed
      • Both A/C switch and blower fan motor switch: ON (Compressor operates)

      1.7 - 2.0 V

    Is the inspection result normal?

    YES

    INSPECTION END

    NO

    Refer to Diagnosis Procedure .

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