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SD-VE TUNING WITH WB- Parameters??

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Old 07-28-2005, 09:22 AM
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Default SD-VE TUNING WITH WB- Parameters??

Following the directions in 101 tuning section for SD-VE tuning I have set all parameters accordingly. However, I wandered if it was necessary to disable the LtFt's or is that automatically accomplished when the Closed loop is disabled? It just seems I cant get consistent results after modifying the VE table. Any suggestions??
Thanks!!
Old 07-28-2005, 09:30 AM
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You definitely need to reset the LTFT when you do your inital startup. AFAIK the trims are disabled.
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Old 07-28-2005, 09:42 AM
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if you are in OL then the trims will not learn 0 them out just to be sure. You should only see three FTC's 20,21 and 22
Old 07-28-2005, 09:53 AM
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Yeah, you guys are right. Stupid me, I could have just simply looked
at the LTFT histogram . But I just cant seem to get consistency after changes. Using the formula provided in the 101 seemed to overshoot what I was looking for so I begin to divide the adjustments in half and its still ending up quite erratic. Better but definately not able to achieve a fairly consistent 13.1.




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