CAN -BUS car demonstrator

The utility model is suitable for an electronic teaching field provides a CAN -BUS car demonstrator, and this car demonstrator includes: demonstrator main part and being fixed in car circuit board in the demonstrator main part, the accessory that is equipped with a diagnosis seat, a processing unit and a plurality of auto -parts of pegging graft on the automobile circuit board detects the interface, detects the diagnostic equipment that detects the auto -parts performance of pegging graft on the seat, and the housing face of diagnostic equipment has a display element, and the demonstration control interface that display element passes through data line and automobile circuit board is connected, has a communication interface on one side of the casing of diagnostic equipment, and communication interface passes through the wire rod and is connected with the PC. The utility model discloses a connect a display element on the diagnosis seat on CAN -BUS car demonstrator, through each ECU communication signals content and the data developments and the flow direction on the current demonstrator of display element visual display, can greatly make things convenient for the teaching, improve teaching effects, guarantee the quality of instruction.