The invention relates to the field of vehicle fault diagnosis, and discloses a brake switch fault diagnosis method and a brake switch fault diagnosis system. The method comprises the following steps of (1) starting diagnosis; (2) acquiring the signals of a brake switch and a brake light in real time; (3) detecting whether the signal of the brake switch or the signal of the brake light is changed; (4) if so, detecting whether both the signals of the brake switch and the brake light are changed; (5) if the signals of the brake switch and the brake light are not both changed, judging whether the execution number of times from the step (3) to the step (5) reaches a first set number of times; if the first set number of times is reached, determining that the brake switch is in fault; and if the first set number of times is not reached, returning to execute the step (3) to the step (5). The brake switch fault diagnosis method and the brake switch fault diagnosis system are simple in connection and easy to implement. By applying the brake switch fault diagnosis method and the brake switch fault diagnosis system, faults of the brake switch can be effectively diagnosed.


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    Title :

    Brake switch fault diagnosis method and system


    Contributors:
    HUANG RONGLI (author) / ZHANG JING (author) / LIU XIAOMENG (author) / JIANG DAWEI (author) / SUN QIONG (author) / CHENG ZEMU (author)

    Publication date :

    2015-10-21


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    B60T Bremsanlagen für Fahrzeuge oder Teile davon , VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF



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