The invention relates to a security device 17 for a vehicles electronic system. The vehicles electronic system comprises a Control Area Network (CAN) Bus 5 connected to a plurality of engine control units (ECUs) 8 and an On-Board Diagnostics (OBD) plug 5. The ECUs are accessible from the OBD plug through the CAN Bus. The security device comprises an input port (21, figure 2) for connection to the OBD plug, and an output port (23) for connection to the CAN Bus. Communications to and from the CAN Bus and the OBD plug are routed through the security device. The security device comprises means to detect whether a valid ignition key has been presented in the vehicle and means to permit write communications to pass from the OBD plug to the ECUs via the CAN Bus on detection of a valid ignition key and prevent write communications from passing from the OBD plug to the ECUs via the CAN Bus in the absence of a valid ignition key. The detection of a valid ignition key may involve detecting a communication on the CAN bus from an immobilizer ECU to operate a fuel pump or to start an engine.


    Access

    Download


    Export, share and cite



    Title :

    A security device for a vehicle's electronic system


    Contributors:

    Publication date :

    2015-10-28


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    B60R Fahrzeuge, Fahrzeugausstattung oder Fahrzeugteile, soweit nicht anderweitig vorgesehen , VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR / H01R Elektrisch leitende Verbindungen , ELECTRICALLY-CONDUCTIVE CONNECTIONS



    A SECURITY DEVICE FOR A VEHICLE'S ELECTRONIC SYSTEM

    SMIT ROBIN ROBERT / COYNE MARTIN JOHN | European Patent Office | 2016

    Free access

    Mobile Security Vehicle’s based on Internet of Things

    Husni, Muchammad / Ginardi, R. V. H. / Gozali, K. et al. | BASE | 2021

    Free access

    Mobile Security Vehicle’s based on Internet of Things

    Husni, Muchammad / Ginardi, R. V. H. / Gozali, K. et al. | BASE | 2021

    Free access

    VEHICLE'S BRAKE

    KIM DONG GUEN | European Patent Office | 2016

    Free access

    Vehicle's reverse running prevention device

    LEE HAK SEUNG | European Patent Office | 2021

    Free access