As, depending on the manufacturer, these form a unit with the sensors, this often means complete replacement of the sensor unit. This may mean that, following a tyre change, a re-adjustment (calibration) or re-coding of the sensors is required.Ī further disadvantage of the direct measuring systems is that the batteries have to be replaced after approx. This has the advantage that pressure losses of several tyres can be detected at the same time. One or more antennas transmit the radio signal.ĭirect systems compare the tyre pressure with a reference value stored in the tyre pressure monitoring system control unit. This measures the temperature and the pressure of the tyre, and transfers the measured values wirelessly to the tyre pressure monitoring system control unit and/or the display unit. Here, a battery-powered sensor is located in each wheel. We differentiate between two fundamentally different systems: Indirect and direct tyre pressure monitoring systems.ĭirect measurement systems are considerably more precise, but also involve more outlay, and are therefore more expensive. because even during a wheel change, a lack of knowledge about the systems can lead to impairment of the tyre pressure monitoring system. It is therefore time for all workshop staff to familiarise themselves with this topic. In the USA, they have been mandatory for new vehicles for several years. Tyre pressure monitoring systems have been on the market for a while, mostly in top-end vehicles. Tyre pressure monitoring systems monitor the tyre pressure and tyre temperature. The general parts aftermarket also offers different systems for retrofitting. This is why tyre pressure monitoring systems (TPMS) have been mandatory since November 2014 for all new vehicles in the EU. This is an extremely high safety risk for all those in the vehicle. Insufficient tyre pressure may cause the tyre to suddenly burst.
Increased tyre temperature and greater wear are also linked to this. Insufficient tyre pressure causes increased fuel consumption and poor driving characteristics.
#SIEMENS VDO TIRE PRESSURE SENSOR DRIVER#
This is often noticed by the driver of the vehicle when it is too late. The most common tyre damage can be traced back to a gradual pressure loss. Tyre pressure is an essential safety factor of a vehicle.
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