The present invention relates to a method for diagnosing a failure of an on-board diagnostic (obd) controller system of a hybrid electric vehicle (hev) vehicle, in which an obd controller is connected to a battery through a communication line in the hev vehicle, and the voltage of an input unit of the obd controller is compared with the battery voltage to diagnose a failure of the obd controller system. according to the present invention, it is possible to diagnose when an input voltage measurement circuit of the obd controller or the controller itself is abnormal.

    본 발명은 HEV(Hibrid Electric Vehicle) 차량에서 OBD(On-Board Diagnostic) 제어기가 통신라인으로 배터리와 연결되어 있고, 상기 OBD 제어기 입력부 전압을 상기 배터리 전압과 비교하여 상기 OBD 제어기 시스템의 고장을 진단하는 HEV 차량의 OBD 제어기 시스템의 고장 진단 방법으로서, 본 발명에 의하면, OBD 제어기의 입력전압 측정회로나 제어기 자체의 이상시 진단 가능하다.


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    Title :

    HEV OBD METHOD OF DIAGNOSING MALFUNCTION OF OBD CONTROLLER SYSTEM OF ELECTRIC VEHICLE


    Additional title:

    HEV 차량의 OBD 제어기 시스템의 고장 진단 방법


    Contributors:

    Publication date :

    2024-04-02


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Korean


    Classification :

    IPC:    H04L TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION , Übertragung digitaler Information, z.B. Telegrafieverkehr / B60W CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION , Gemeinsame Steuerung oder Regelung von Fahrzeug-Unteraggregaten verschiedenen Typs oder verschiedener Funktion / B60K Anordnung oder Einbau von Antriebseinheiten oder von Kraft- bzw. Drehmomentübertragungen in Fahrzeugen , ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES / B60R Fahrzeuge, Fahrzeugausstattung oder Fahrzeugteile, soweit nicht anderweitig vorgesehen , VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR / B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen



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