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ACTIVE TUNING SYSTEM FOR ENGINE CONTROL UNIT

  • US 20150006066A1
  • Filed: 06/27/2013
  • Published: 01/01/2015
  • Est. Priority Date: 06/27/2013
  • Status: Active Grant
First Claim
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1. A method for an engine control unit to update internal tables based on feedback from the engine without external computing, comprising the steps of:

  • establishing flash memory and RAM memory in the ECU;

    assigning a portion of the RAM memory to storage of a table of engine conditions from the flash memory;

    updating all program code pointers to the table to read the table from the assigned portion of RAM; and

    revise the table in RAM based on input received from the engine sensors.

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