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post #379 of (permalink) Old 26th August 2008
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Originally Posted by madnoel10 View Post
The battery only activates when it receives a signal from the under body unit. The sensor doesn't actually measure pressure - only changes in its preprogrammed pressure setting - that way it can be used on different vehicles.
Are you sure? The sensors do actually give a pressure reading in PSI or BAR on the Lagunas with the higher spec dash, so presumably it's outputting a signal that's directly related to pressure, and the car's electronics make the decision as to what's acceptable and what's not.
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