The present invention relates to a method for diagnosing the failure of a fuel sensor, including a step of allowing a control part to detect the pressure of fuel by a fuel sensor, a step of determining whether the instant variation of a detected pressure exceeds a predetermined first reference value, a step of detecting the maximum and minimum of a pressure for a predetermined first reference time when the instant variation of the pressure exceeds the first reference value, and a step of diagnosing the failure of the fuel sensor when a difference between the maximum and minimum of the pressure is less than a predetermined second reference value.

    본 발명은 연료 센서의 고장 진단 방법에 관한 것으로, 제어부가 연료 센서를 통해서 연료의 압력을 감지하는 단계, 감지되는 압력의 순간 변화량이 미리 설정된 제1기준치를 초과하는지 판단하는 단계, 압력의 순간 변화량이 제1기준치를 초과하면, 미리 설정된 제1기준시간 동안 압력의 최대값과 최소값을 감지하는 단계 및 압력의 최대값과 최소값의 차가 미리 설정된 제2기준치 미만이면 연료 센서의 상태를 고장으로 진단하는 단계를 포함한다.


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    Titel :

    METHOD FOR DIAGNOSING FAILURE OF FUEL SENSOR AND APPARATUS THEREOF


    Weitere Titelangaben:

    연료 센서의 고장 진단 방법 및 그 장치


    Beteiligte:
    KIM YONG HA (Autor:in)

    Erscheinungsdatum :

    2015-10-08


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Koreanisch


    Klassifikation :

    IPC:    F02D CONTROLLING COMBUSTION ENGINES , Steuern oder Regeln von Brennkraftmaschinen / B60K Anordnung oder Einbau von Antriebseinheiten oder von Kraft- bzw. Drehmomentübertragungen in Fahrzeugen , ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES / F02M Zuführen von Brennstoff-Luft-Gemischen oder deren Bestandteilen bei Brennkraftmaschinen allgemein , SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF




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