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Method and apparatus for electronic throttle monitoring

  • US 5,673,668 A
  • Filed: 08/05/1996
  • Issued: 10/07/1997
  • Est. Priority Date: 08/05/1996
  • Status: Expired due to Term
First Claim
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1. An electronic throttle monitor for a motor vehicle powertrain system with an electronic throttle control and a powertrain control module (PCM) including a main processor comprising:

  • a processor independent of the main processor, said independent processor ordered to perform a monitoring function in a first operating mode including reading a set of powertrain sensors and communication interfaces shared with the PCM and determining when detected power is greater than demanded power;

    said processor being programmed to perform a limiting function in a second operating mode for limiting detected power to less than demanded power when detected power is greater than demanded power.

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