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System and method for retrieving and displaying vehicle control unit data

  • US 20060287776A1
  • Filed: 06/16/2005
  • Published: 12/21/2006
  • Est. Priority Date: 06/16/2005
  • Status: Active Grant
First Claim
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1. A method of retrieving and displaying data from an onboard memory of an electronic control unit of a vehicle, the method comprising the steps of:

  • communicating an identifier number from a scan tool to the electronic control unit, wherein the identifier number is associated with a vehicle component or a vehicle function;

    communicating, from the electronic control unit to the scan tool, a memory address for a first data structure from a parameter identifier corresponding to the identifier number;

    communicating, from the electronic control unit to the scan tool, an amount, formats and locations of data in the onboard memory;

    communicating, from the electronic control unit to the scan tool, a version document number;

    retrieving the data from the onboard memory to the scan tool;

    storing a version document corresponding to the version document number in the scan tool;

    inserting the retrieved data from the onboard memory in the version document; and

    displaying the version document with the retrieved data inserted therein.

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