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Originally Posted by Maxlean
I'm gonna have to beg to differ. When driving around with the pt commanded open (setting them at a very low value) I would only use cells 16 17 and 18 (or something like that, I'd have to check my logs). When the pt were commanded closed, all cells were available (EXCEPT 18). I suspected that when the pt's are commanded open, the ecm assumes power mode (but not necessarily pe) and therefore really only needs one cell for that mode of operation. In other words cell 18 is dedicated to pt open mode (still closed loop), just as cell 16 is idle and 17 is decel. (disclaimer: the actual cell numbers may be different than these, memory ain't what it used to be!)
Scott
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Scott,
I have to agree with Todd. PT Open doesn't automatically mean the ECM is in PE mode. Several other parameters that define PE.
Rick,
What's the image you posted?