?s re VAG-COM Readings

[Matt twentyV]

Not individual channel test, you need to go to
Basic Measurements, block 000.
Matt
--- benswann at comcast.net wrote:
> This is the first time I have run VAG-COM on my '91
> 200 20V or any car for that
> matter.   I selected individual Channel test under
> engine control module after
> Auto Scan displayed no faults found.
>
> Many of the channel readings I got with VAG-COM were
> so far out of range
> compared to Bentley Displayed Value range I'm
> wondering if they are valid, or
> is there some component that would throw al these
> readings so far out.  I show
> a range of the reading I collected.  Two numbers are
> for a first and second
> (repeat) test.
>
> Here is what the readings were:
> Channel     Range     Spec.      Description/comment
> 1           198       184-215    Seems OK for the
> temp. reading
> 2           87-88,104 20-25      can this be a valid
> reading for engine load?
> 3           37        77-83      RPM x 100?  I did
> not abserve RPM dropping and
> the number did not change
>
> 4           39        121-135    Idle Stabilizer
> Operating range - way high
> 5           253-254   80-125     ISV Curve zero
> point
> 6           3-4       123-127    ISV adaptation
> 7           11-155    41-55      ISV curve control
> 8           12        123-133    O2 sensor control
> 9           193, 197  115-141    O2 sensor
> adaptation
> 10          93-94,108 8-12 BTDC  Momentary Ignition
> angle -I know timeing can't
> be that far advanced
>
> Any ideas as to why many of these readings seem so
> far away from the (ideal)
> displayed value range given in the Bentley?
>
> Also, noticed channel readings for numbers way
> beyond 10 - values were mostly
> numbers from channels 1-10.  Why is that?
>
> I'm just geting familiar with Motronic diagnostics.
>
> TIA
>
> Ben
> _______________________________________________
> 200q20v mailing list
> 200q20v at audifans.com
> http://www.audifans.com/mailman/listinfo/200q20v


__________________________________
Do you Yahoo!?
Yahoo! SiteBuilder - Free, easy-to-use web site design software
http://sitebuilder.yahoo.com