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Component Function Check

WARNING: This page is about a different car, the 2012 Infiniti FX35. However, it is still accessible from the selected car via links, so may be relevant.
  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 conditions:
      ECM Voltage (V)
      Connector + -
      Terminal Terminal
      M107 105 (Refrigerant pressure sensor signal) 116 1.0 - 4.0

      Is the inspection result normal? 

      YES: INSPECTION END

      NO: Proceed to "DIAGNOSIS PROCEDURE ".