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Arrangement for controlling an internal combustion engine

  • US 5,370,094 A
  • Filed: 09/07/1993
  • Issued: 12/06/1994
  • Est. Priority Date: 09/05/1992
  • Status: Expired due to Term
First Claim
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1. An arrangement for controlling an internal combustion engine of a motor vehicle equipped with an adjusting device for making an adjustment on the engine and the motor vehicle being equipped with a driver-actuated element connected to the adjusting device with the latter being positioned in dependence upon the position of the driver-actuated element, the arrangement comprising:

  • electrically-actuated means for controlling the position of said adjusting device;

    a first measuring device for detecting the position of said adjusting device and for outputting a variable representative of said position;

    a second measuring device for detecting a first quantity indicative of the load on the engine which is not directly related to the position of said adjusting device;

    fault detection means for detecting a fault in said first measuring device on the basis of said variable and said first quantity;

    said fault detection means including means for converting said variable into a second quantity likewise indicative of the load of the engine; and

    ,said fault detection means including means for comparing said first and second quantities to each other to detect a fault in said first measuring device when said first and second quantities deviate from each other by an impermissible amount.

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