In-cylinder pressure sensor diagnostic system and method

In-cylinder pressure sensor diagnostic system and method

  • CN 102,032,064 A
  • Filed: 10/08/2010
  • Published: 04/27/2011
  • Est. Priority Date: 10/08/2009
  • Status: Active Application
First Claim
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1. pressure transducer diagnostic system comprises:

  • Stimulating module, described stimulating module excitation in-cylinder pressure sensor, and impel described in-cylinder pressure sensor vibration;

    The frequency determination module, described frequency determination module is determined the oscillation frequency of described in-cylinder pressure sensor;

    WithFault determination module, described fault determination module is diagnosed described in-cylinder pressure sensor based on described oscillation frequency.

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