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.
A malfunction of an on-board diagnostic (OBD) controller system is diagnosed by comparing a voltage of an input part of an OBD controller with a voltage of a battery. The OBD controller is connected to the battery through a communication line in the HEV. When an input voltage measuring circuit or the controller is malfunctioning, the malfunction is diagnosed.
HEV OBD METHOD OF DIAGNOSING MALFUNCTION OF OBD CONTROLLER SYSTEM OF ELECTRIC VEHICLE
HEV 차량의 OBD 제어기 시스템의 고장 진단 방법
2024-04-02
Patent
Electronic Resource
Korean
IPC: | 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 / B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen / B60R Fahrzeuge, Fahrzeugausstattung oder Fahrzeugteile, soweit nicht anderweitig vorgesehen , VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR / H04L TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION , Übertragung digitaler Information, z.B. Telegrafieverkehr |
METHOD OF DIAGNOSING MALFUNCTION OF OBD CONTROLLER SYSTEM OF HYBRID ELECTRIC VEHICLE
European Patent Office | 2024
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