The invention discloses a backup method of automobile mileage, and relates to the technical field of automobile electronic appliances. According to the backup method, a mileage value stored in a controller is obtained by utilizing a meter, if the mileage value in the meter is the same as the mileage value in the controller, a situation that both the meter and the controller normally work is indicated; if the mileage value in the meter is different from the mileage value in the controller, a situation that the meter or the controller has a fault is indicated; the mileage value stored in the equipment which does not have a fault is used as backup and used for restoring mileage data when the automobile mileage is displayed wrongly or lost. Through the backup method disclosed by the invention, the reliability of automobile mileage records is improved, and hidden troubles which are generated because the meter is damaged and mileage information is lost are avoided. The mileage information is read and stored by utilizing a CAN bus, so that the reliability, the instantaneity and the flexibility of information transmission are improved. The mileage information and mileage-information fault codes are read and input by a diagnostic unit substituted for conventional automobile repair, so that the time is shortened, and the working efficiency is improved.


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    Titel :

    Backup method of automobile mileage


    Beteiligte:
    SUN LIZHU (Autor:in) / ZHAO DEHUA (Autor:in) / SHU DAHAI (Autor:in) / LI SHUNZHI (Autor:in)

    Erscheinungsdatum :

    2015-12-02


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

    IPC:    B60R Fahrzeuge, Fahrzeugausstattung oder Fahrzeugteile, soweit nicht anderweitig vorgesehen , VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR



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