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Old 03-27-2012, 03:20 AM   #789 (permalink)
Bix
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Join Date: Mar 2011
Location: Australia
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Quote:
What software did you use to command the ELM whilst the oscilloscope was attached?
EasyOBDII. It read the port, read the scantool, done something with the bus but then got stalled trying to communicating giving an error of the car not being on. The car was on all times tested, and the engine was turned on for a few tests as well, with the same outcome.

Quote:
do you have enough resolution on your oscilloscope to see what might be minor changes?
50 MHz, should be plenty.

Quote:
(There won't be any change on those pins without a scan tool communicating).
Oh ok, I assumed it would send something even without it being initialised.

I tried the scantool on a holden Astra 2004, worked like a charm so its definitely not something wrong with the scantool.
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