What values are you referring to? There are no sensors to provide any sort of actual tire pressure information. Only ABS sensors to detect wheel speed.It's indirect TPMS I mean. We can get those value via ABS builtin on any mazda. I can see some TPMS parameter inside the cmu but not able to find a way to pull it out. I guess somebody already made it.
You mean like Mazda, as in what is in your car now?Indirect Tire Pressure Monitoring Systems Making A Comeback On Some Imports - Tire Review Magazine There are few articles related to this. There also some people can make it works already I bet.