Automotive CAN Bus Diagnostic Device Development

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This paper presents a universal CAN Bus diagnostic device that is developed based on the Freescale 32-bit microcontroller MCF51JM128, which complies with OBD-II standard. Specific OBD-II diagnostic services can be performed through the USB request commands from PC software, which is built by Embarcadero Delphi XE; the diagnostic data are collected by the diagnostic device hardware and transferred to the PC for diagnostic result display. Besides, wireless and remote OBD diagnostics can be achieved through the serial interface connection with other communication devices.

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1303-1309

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October 2013

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© 2014 Trans Tech Publications Ltd. All Rights Reserved

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