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P40.15-2591-00
Introduction of the New smart fortwo coupé and smart forfour | Model Series 453
Tire pressure monitor
Driving assistance systems
Tire pressure monitor
The smart (C/W453) is equipped with directly measuring tire
pressure monitor (TPM) as standard (not for all countries). On
vehicles with tire pressure monitor, a sensor is attached to
the valve on the inside of each wheel. While driving, the sen-
sors transmit radio signals containing information about the
pressure, temperature and rotation direction of the wheels as
well as an individual identification number (to distinguish bet-
ween sensors). The data which is transmitted via radio signal
is received and evaluated by the SAM control unit via an in-
tegrated antenna. The tire pressure monitor issues a warning
using an indicator lamp on the instrument cluster if the air
pressure drops below a certain value. The TPM system has to
be recalibrated when new wheels are installed.
View of wheel sensor with valve
– This printout will not be recorded by the update service. Status: 06/2014 –
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