Quote:
Originally Posted by Supercourse
That's the button that also applies to indirect FTM (no sensors in wheels) so doesn't tell you if you have direct TPMS.
The metal valves with a nut on them and plastic caps are the best indicator.
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I didn't realize that...although I thought of another way...
Take 10 psi out of a tire and see if the warning come on immediately at start up or if you have to be driving around.
A direct tpms system will send a signal to the computer of a low pressure scenario. The other system uses abs wheel sensors and measures revolutions of the wheel at speed.
Last edited by x3brian; 01-17-2013 at 10:04 AM.
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