PROBLEM TO BE SOLVED: To provide a program rewriting device and a program rewriting method capable of facilitating program rewriting.SOLUTION: A rewriting control unit of a program rewriting device causes intercommunication to be stopped and storage of a DTC to be prohibited in all of ECUs before program rewriting of each object ECU. When the continuous program rewriting in all the object ECUs is finished, the rewriting control unit cancels stop of intercommunication and storage prohibition of the DTC after confirming stop of all the object ECUs. Then, the rewriting control unit confirms whether or not version information from the object ECU is the latest version.SELECTED DRAWING: Figure 3

    【課題】プログラム書換えを簡易に行うことが可能なプログラム書換装置及びプログラム書換方法を提供する。【解決手段】プログラム書換装置の書換制御部は、各対象ECUのプログラム書換え前に、全てのECUにおける相互通信の停止及びDTCの保存禁止をさせる。全ての対象ECUにおける連続的なプログラム書換えが終了すると、書換制御部は、全ての対象ECUの停止を確認した上で相互通信の停止及びDTCの保存禁止を解除する。その後、書換制御部は、対象ECUからのバージョン情報が最新バージョンであるか否かを確認する。【選択図】図3


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    Title :

    PROGRAM REWRITING DEVICE AND PROGRAM REWRITING METHOD


    Additional title:

    プログラム書換装置及びプログラム書換方法


    Contributors:

    Publication date :

    2016-11-04


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    B60R Fahrzeuge, Fahrzeugausstattung oder Fahrzeugteile, soweit nicht anderweitig vorgesehen , VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR / G06F ELECTRIC DIGITAL DATA PROCESSING , Elektrische digitale Datenverarbeitung



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