?s re VAG-COM Readings
matt_20v at yahoo.com
Tue Sep 16 15:03:55 EDT 2003
Not individual channel test, you need to go to
Basic Measurements, block 000.
--- 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
> 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
> 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.
> 200q20v mailing list
> 200q20v at audifans.com
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