moustafa1
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Here you go. I found this from a site online.
The Volkswagen TPMS specifically is an indirect system, meaning it doesn’t directly measure the tire pressure at the tires. Instead the TPMS uses the vehicle’s anti-lock braking system to track this.
The tire pressure monitoring system looks at the ABS wheel speed sensors and uses that information to track the rotational speed of the tires. Any time a tire has lower pressure, it will roll at a different number of revolutions per mile than tires that have the correct tire pressure. If one tire’s rotational speed seems off compared to the rest, the TPMS will alert the driver that one of the tires has low pressure.
The Volkswagen TPMS specifically is an indirect system, meaning it doesn’t directly measure the tire pressure at the tires. Instead the TPMS uses the vehicle’s anti-lock braking system to track this.
The tire pressure monitoring system looks at the ABS wheel speed sensors and uses that information to track the rotational speed of the tires. Any time a tire has lower pressure, it will roll at a different number of revolutions per mile than tires that have the correct tire pressure. If one tire’s rotational speed seems off compared to the rest, the TPMS will alert the driver that one of the tires has low pressure.