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OBD1 code setting criteria
Posted to Technical Theory Forum on 1/11/2009 4 Replies

Hi guys,

I was wondering if anybody knows the code setting criteria (including the 10 / 90 voltage rule) for OBD1 cars? I know the system is mainly looking for opens, shorts and grounds and there's no rationality check but this is another parameter I'm unfam... Login to read more.

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