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Help obd voltage

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bambam123
Posts: 2
Joined: Sat Jun 09, 2018 2:16 pm
Year and Model: 2002 v70 d5
Location: Hampshire
Great Britain

Help obd voltage

Post by bambam123 » Sat Jun 09, 2018 2:30 pm

Hi got couple problems with my 02 d5, previous owner replaced injectors and inter cooler but still got loss of power and black smoke even on idle. and cant get any software to talk to it. on checking pin 7 has less than 1v when off and 12v when on? is this normal?



reverend
Posts: 22
Joined: Sat Nov 01, 2008 9:52 pm
Year and Model: 2006 V70 2.5t
Location: Texas
United States of America

Re: Help obd voltage

Post by reverend » Sat Jun 09, 2018 11:10 pm

The best bet is using VIDA/DICE, so dealer or an independent VOlvo shop should be able to help you.

The K-line (pin 7) is a communications line, so with an oscilloscope you should see a waveform on there. Not sure if you can tell anything with a voltmeter.



bambam123
Posts: 2
Joined: Sat Jun 09, 2018 2:16 pm
Year and Model: 2002 v70 d5
Location: Hampshire
Great Britain

Re: Help obd voltage

Post by bambam123 » Sun Jun 10, 2018 12:10 am

Ive tried launch . Snap off and 2 different autocom.
Nothing talks to car.



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