[Diy_efi] Spark knock detection

James W. Harris HARRIS_JAMES_W at cat.com
Fri Sep 13 15:02:44 GMT 2002


The knock detection output from the ESC module switches when the filtered
input signal crosses a threshold (adaptive based on background noise, I
believe) and that the duration of the time is proportional to the severity
of the knock.  It's not simply an OK / Not OK indication.  It may be
acceptable to operate an engine with the signal occasionally becoming
active.

JW



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