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Ferrari California Workshop Manual page 576

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Refit the tyre (
Activating the tyre pressure sensor
Always finish all the components in the batch opened previously before starting a new sensor batch,
as the sensors are equipped with a battery with a limited lifespan.
Once the sensor has been activated, the internal battery has a lifespan of approximately 10 years.
During manufacture, the tyre pressure sensor is put into a dormant state to preserve battery life during
storage.
The sensor is activated when it detects a given pressure. To activate, proceed as follows.
D2.02).
Use a rod to ensure that the hole on the
valve is kept outside the rim.
Fit the rod (1) in the radial hole of the valve and
tighten the nut (2).
ALWAYS use a torque wrench, using only
certified and calibrated tools to ensure that
the correct tightening torque is achieved.
Tightening torque
Nut
Remove the rod (1).
For the sensor to function correctly, there
must be contact between the rim and the
mounting points of the sensor itself. The
system may not function correctly if the
sensor is not installed exactly as
instructed.
Push the sensor gently onto the rim to ensure
contact between the rim and the mating
surface of the sensor itself.
Tighten the self-locking screw (5).
ALWAYS use a torque wrench, using only
certified and calibrated tools to ensure that
the correct tightening torque is achieved.
Tightening torque
Screw
Nm
Class
4 Nm
A
Nm
Class
4 Nm
A

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