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i used these when i had my Evo, and will be using them in my wife's OS when i use it for winter duty and put a set of snow tires on it that don't have TPMS sensors.
No, no, you misunderstood. I mean how the signal of the tire pressure sensor of the original car is realized on the instrument! It's not an external screen.
The original car has TPMS sensors inside each wheel. The sensors communicate using a wireless (radio frequency) connection with the instrument. If you remove the tires you can see the sensors. If you change the wheels you need a special tool to make the ECU relearn the sensors. On YouTube, there is a video of the TPMS relearn procedure
All, the OP is looking to have the dash display the actual pressure and temperature values from the TPMS sensors. This cannot be done- needs an external display from an aftermarket manufacturer.