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Controller area network diagnostic instrument

  • US 6,393,379 B1
  • Filed: 08/28/2001
  • Issued: 05/21/2002
  • Est. Priority Date: 09/01/2000
  • Status: Expired due to Term
First Claim
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1. A controlled area network diagnostic instrument for diagnosis and evaluation of electronic components on a vehicle control system on a mobile vehicle, the vehicle control system including an electrical system controller and other controllers on the vehicle, the electrical system controller and the other controllers communicating over a serial data bus, the serial data bus having a communication port, the controllers including a gauge cluster that may include indications of vehicle status, comprising:

  • a processor including a graphics display;

    a communications port for communicating with the vehicle data bus communication port;

    said processor programmed to graphically provide a visual image of a mock gauge cluster on said display, said mock gauge cluster having the appearance of the actual vehicle gauge cluster;

    said processor programmed to mine data off said data bus when said processor in communication with said communication port of the vehicle serial data bus; and

    said processor programmed to convert data from said vehicle serial data bus into human readable form on said graphics display;

    providing said mock gauge cluster with indications and switch positions of the vehicle gauge cluster and making said mock display a moving picture of the vehicle gauge cluster when the indications of the vehicle gauge cluster change.

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