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Driver's vehicle diagnostic apparatus and early warning

  • US 20030109972A1
  • Filed: 12/11/2002
  • Published: 06/12/2003
  • Est. Priority Date: 12/12/2001
  • Status: Abandoned Application
First Claim
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1. A method for diagnosing a vehicle state by connecting a vehicle equipped with an electronic control unit with a personal computer (PC) by cable or wirelessly, and then connecting the PC to a mechanic center on the Internet, the vehicle state diagnosing method comprising the steps of:

  • (a) in a first communications module connected to a communications port of the PC, checking whether a registered vehicle approaches within a local area network (LAN) zone;

    (b) in the PC, driving an electronic control unit diagnosing program, if a response signal is received from the vehicle having a second communications module;

    (c) in the second communications module, signal-converting diagnosis data output from the electronic control unit installed in the vehicle and storing the conversion result in a memory, and then transmitting the conversion result to the first communications module; and

    (d) in the case that it is judged that the vehicle is abnormal in the result of analyzing the received diagnosis data in the PC, providing a user with a maintenance method and purchase information of parts, or in the case that a failure cannot be repaired by the user, guiding the user to make reservations with a mechanic center through the Internet.

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