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METHOD AND APPARATUS TO EVALUATE A STARTING SYSTEM FOR AN INTERNAL COMBUSTION ENGINE

  • US 20130046435A1
  • Filed: 08/15/2011
  • Published: 02/21/2013
  • Est. Priority Date: 08/15/2011
  • Status: Active Grant
First Claim
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1. Method for evaluating a starting system for an internal combustion engine, the starting system including a starter motor and a battery, comprising:

  • detecting a fault associated with the starter motor when a minimum starting system voltage during a cranking event is greater than a threshold minimum starting system voltage determined in relation to an engine acceleration parameter; and

    detecting a fault associated with the battery when the engine acceleration parameter is less than a minimum threshold for the engine acceleration parameter.

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