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System and method for evaluating an integrated coil on plug ignition system

  • US 8,117,904 B2
  • Filed: 03/31/2009
  • Issued: 02/21/2012
  • Est. Priority Date: 03/31/2009
  • Status: Active Grant
First Claim
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1. An apparatus for evaluating performance of an integrated coil on plug (CoP) assembly comprising:

  • a controller configured to;

    transmit a control signal to activate the CoP assembly;

    receive an indirect signal having a first characteristic associated with a low frequency (LF) component between 50 to 250 KHz from the CoP assembly responsive to the control signal; and

    compare the first characteristic to first predetermined data to evaluate the performance of the CoP assembly.

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