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Home >> Infiniti >> 2012 >> M35h >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - Component Testing >> Refrigerant Pressure Sensor >> Component Function Check
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Component Function Check

  1. CHECK REFRIGERANT PRESSURE SENSOR FUNCTION
    1. Perform "INSPECTION MODE 5". Refer to "DESCRIPTION ".
    2. Start engine and warm it up to normal operating temperature.
    3. Turn A/C switch and blower fan switch ON.
    4. Check the voltage between ECM harness connector terminals as per the following.
      ECM Voltage (V)
      Connector + -
      Terminal Terminal
      M107 105 (Refrigerant pressure sensor signal) 112 1.0 - 4.0

      Is the inspection result normal? 

      YES: INSPECTION END

      NO: Go to "DIAGNOSIS PROCEDURE ".

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