Re: ALDL Reported BPW

[rr <RRauscher@nni.com>]

Barry Tisdale wrote:

> Aaahhhhh, now I see what you were getting at.
>
> I o-scoped the actual injector firing time while reading the data stream.
> There are *large* discrepancies, so much so that I recalibrated my scope.
>
> Does "BPW" mean the *base* pulse width before all the corrections are
> multiplied in?  IOW, does it just depend on the injector constant?  The
> readings might make more sense then, but then the readings wouldn't change
> w/ changing inputs to the ECU that affect PW....???

I know that it doesn't only depend on the injector constant. However, the
first part of your question is tough. (don't have an answer). Are you measuring
the low going portion of the pulse, or the high going portion?

BobR.

>
>
> I haven't a clue what the f**k's going on here..........  Something's not
> right here - no absolute or relative correlation between reported & actual
> PWs.
>
> Barry

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