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CALIBRATION TOOL

  • US 20100023292A1
  • Filed: 03/06/2008
  • Published: 01/28/2010
  • Est. Priority Date: 03/06/2007
  • Status: Active Grant
First Claim
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1. A calibration tool for a vehicle monitoring device, the tool comprising a processor having a clock or access to a time signal and arranged for connection to and to receive and process signals representing engine and/or vehicle operating parameters, the processor having or connected to means for storing ‘

  • hard’

    data (as herein defined) relating to the vehicle and its engine and codes identifying the available OBD outputs and inputs, the processor being programmed to calculate certain vehicle-specific coefficients over the vehicle'"'"'s operating range and to populate an array with the said coefficients so that the processor or the vehicle monitoring device can look up the corresponding coefficient from the array to calculate the desired value or output using the available inputs or signals.

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