SAAB WIS ONLINE

Tyre pressure sensor (754)

Tyre pressure sensor (754)

Position

The pressure sensor is located in the tyre valve.


Main function


The sensor transmits tyre pressure information to the control module which in turn informs the driver if the air pressure in a tyre is too low.

Type

The tyre pressure sensor is an integrated sensor, transmitter, battery and valve. It comprises a plastic housing, with an electronic unit, which is joined to an aluminium housing with a valve. On the valve are a tapered seal and a crown nut, which is used to fit the valve into the corner of the wheel. The sensor weighs approximately 38 g.

Engaging

There is a 3V (500 mAh) lithium battery in the sensor which is activated by a ball switch in the electronic unit. The battery is not replaceable.