Autel Intelligent Technology Corp., Ltd.

Huigiang Lai

Songsong Qu

Embodiments of the present invention relate to automobile diagnostic methods, apparatuses, devices and systems, and a diagnostic connection devices. Embodiments include: a first interface connector module configured to read an operation performed by a user on an interface, and convert the operation into a corresponding diagnostic instruction; a first protocol converting module configured to convert the diagnostic instruction into standard transmission data corresponding to the diagnostic instruction; and a first software interface module configured to send the standard transmission data corresponding to the diagnostic instruction through the first communication unit. Further embodiments include protocol conversion between a physical layer and a data link layer that consumes memory resources and processor resources is totally or partially run on the automobile diagnostic device, allowing the diagnostic connection device to only partially (or not at all) run the protocol conversion between the physical layer and the data link layer.

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Guangdong, China

Huigiang Lai