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Home >> Infiniti >> 2012 >> G37 IPL, Automatic Trans >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 76 (Engine Control System - Introduction (2 Of 2) (Sedan)) >> Refrigerant Pressure Sensor >> Component Function Check

Component Function Check

WARNING: This page is about a different variant/trim than selected.
  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
      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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