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US 6,928,362 B2Granted
System and method for real time programmability of an engine control unit
OwnerJohn Meaneyinventor
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OwnerJohn Meaneyinventor
Estimating the term…
A method for real time programmability of an engine electronic control unit (ECU). The present invention allows a user to update calibration data previously stored in memory in the engine ECU with new calibration data sent from an external device. The user can monitor the effects of the new calibration data on the engine instantaneously without having to wait for a period of time for the new calibration data to be permanently stored in the engine ECU's memory. To permanently store the new calibration data into the main memory, an erase/reprogram subroutine is uploaded from the main memory to a temporary memory. After the erase/reprogram subroutine is uploaded into the temporary memory location, the erase/reprogram subroutine will execute and permanently download the new calibration data into the main memory in response to a predetermined vehicle event.
A method of updating calibration data for an engine electronic control unit having a main software control program and the calibration data for providing electronic control signals to an engine, said method comprising the steps of:
A method of updating a calibration data from an engine electronic control unit having a flash memory storing a main software control program and storing calibration data for providing electronic control signals to an engine, said method comprising the steps of:
Dependencies are inferred from the claim text.