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System and method for vehicle diagnostics

  • US 7,103,460 B1
  • Filed: 09/06/2005
  • Issued: 09/05/2006
  • Est. Priority Date: 05/09/1994
  • Status: Expired due to Fees
First Claim
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1. A method for diagnosing whether one or more components of a vehicle are operating abnormally, comprising:

  • arranging a plurality of sensors on a vehicle;

    in a training stage,receiving output from the sensors during normal operation of the components,adjusting each component to induce abnormal operation thereof and receiving output from the sensors during the induced abnormal operation, anddetermining which sensors provide data about abnormal operation of each component based on analysis of the output from the sensors during normal operation and during induced abnormal operation of the component; and

    during operation of the vehicle,receiving output from the sensors; and

    determining whether any of the components are operating abnormally by analyzing the output from those sensors which have been determined to provide data about abnormal operation of that component.

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