Tire Pressure Sensor

Each sensor is an integrated unit made up of the tire valve stem, a pressure sensor, and a transmitter. The unit is attached to the inside of the wheel, around the valve stem. The sensor transmits the internal tire information to the TPMS control unit once every 60 seconds when the vehicle speed exceeds 28 mph (45 km/h). When the TPMS control unit receives a tire pressure signal that is less than: With 15 inch wheels 175 kPa (1.8 kgf/cm² , 25 psi) or With 16 inch wheels 183 kPa (1.9 kgf/cm² , 27 psi), the TPMS control unit then turns on the low tire pressure indicator. When that tire's pressure is increased to more than: With 15 inch wheels 200 kPa (2.0 kgf/cm² , 29 psi) or With 16 inch wheels 210 kPa (2.1 kgf/cm² , 30 psi), and the vehicle is driven above 28 mph (45 km/h) the transmitter sends the tire pressure signal to the TPMS control unit, and then the TPMS control unit turns the indicator off.

NOTE: Do not mix the TPMS tire pressure sensors or wheels with other TPMS types. Be sure to use the correct type sensors and wheels for this system. Sensor are active:

When the wheel rotates over 28 mph (45 km/h) the sensor detects the movement, and switches the sensor to the normal function mode.
The LF (low frequency) signal of the TPMS initializer tool makes the sensor active even though the vehicle is stopped. The tire pressure sensor goes into sleep mode when the acceleration sensor detects the wheel is stationary for 5 minutes or more.