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Diagnosing system for diagnosing control device of vehicle-mounted equipment

  • US 8,548,675 B2
  • Filed: 07/12/2010
  • Issued: 10/01/2013
  • Est. Priority Date: 07/15/2009
  • Status: Active Grant
First Claim
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1. A diagnosing system for diagnosing a control device of a vehicle-mounted equipment, comprising:

  • a chip having an integrated circuit that stores a control program data for controlling the vehicle-mounted equipment;

    a control program data storage zone that is arranged in the chip and stores the control program data for controlling the vehicle-mounted equipment;

    a diagnosing data storage zone that is arranged in the chip and stores a diagnosing data that is equivalent to the control program data, the diagnosing data provided by subjecting the control program data to an offset addressing; and

    a data abnormality diagnosing section that is arranged in the chip and detects an abnormality of the control program data by comparing the control program data with the diagnosing data.

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