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Home >> Infiniti >> 2012 >> FX50 >> Repair and Diagnosis >> External Pages >> Different car >> Section 229 (Engine Control System - Component And System Testing) >> Refrigerant Pressure Sensor >> Component Function Check

Component Function Check

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WARNING: This page is about a different car, the 2011 Infiniti EX35. 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 under the following conditions.
    VOLTAGE SPECIFICATION

    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: Go to "DIAGNOSIS PROCEDURE ".

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