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D2.03
Tyre pressure monitoring system (optional)
TPMS system layout
A - Sensors
B - Trigger
C - Digital antenna
D - Electronic control unit
Sensors
Fastened to the rims, inside the tyres.
The sensors measure the temperature and pressure within the tyre.
The sensors transmit data to the digital antenna as an RF signal (433.92 MHz / 315 MHz).
Trigger
Fastened to the vehicle in the wheel bays.
The triggers request transmission of the data measured from the sensors to the digital antenna.
They transmit an LF signal to the sensors (125 KHz).
Digital antenna
Fastened to the vehicle floor, on the driver side.
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