Mazda 2: Tyre Pressure Monitoring System
The Tyre Pressure Monitoring System (TPMS) monitors the air pressure of all
four tyres. If
the air pressure of one or more tyres is too low, the system warns the driver by
indicating the
tyre pressure monitoring system warning light in the instrument cluster and
operating a beep
sound. The system monitors the tyre pressures indirectly using the data sent
from the ABS
wheel speed sensors.
To allow the system to operate correctly, the system needs to be initialized
with the specifi ed
tyre pressure (value on the tyre pressure label). Follow the procedure and
perform the
initialization.
Refer to Tyre Pressure Monitoring System Initialization on page 4-142 .
The warning light fl ashes when the system has a malfunction.
Refer to Warning Lights on page 4-38 .

CAUTION
- Each tyre, including the spare (if provided), should be checked
monthly when cold
and infl ated to the infl ation pressure recommended by the vehicle
manufacturer on the
vehicle placard or tyre infl ation pressure label. (If your vehicle has
tyres of a different
size than the size indicated on the vehicle placard or tyre infl ation
pressure label, you
should determine the proper tyre infl ation pressure for those tyres.)
As an added safety feature, your vehicle has been equipped with a tyre
pressure
monitoring system (TPMS) that illuminates a low tyre pressure telltale when
one or
more of your tyres is signifi cantly under-infl ated. Accordingly, when the
low tyre
pressure telltale illuminates, you should stop and check your tyres as soon
as possible,
and infl ate them to the proper pressure. Driving on a signifi cantly
under-infl ated tyre
causes the tyre to overheat and can lead to tyre failure. Under-infl ation
also reduces
fuel effi ciency and tyre tread life, and may affect the vehicle's handling
and stopping
ability.
Please note that the TPMS is not a substitute for proper tyre maintenance,
and it is the
driver's responsibility to maintain correct tyre pressure, even if
under-infl ation has not
reached the level to trigger illumination of the TPMS low tyre pressure
telltale.
Your vehicle has also been equipped with a TPMS malfunction indicator to
indicate
when the system is not operating properly.
The TPMS malfunction indicator is combined with the low tyre pressure
telltale.
When the system detects a malfunction, the telltale will fl ash for
approximately
one minute and then remain continuously illuminated. This sequence will
continue
upon subsequent vehicle start-ups as long as the malfunction exists. When
the
malfunction indicator is illuminated, the system may not be able to detect
or signal
low tyre pressure as intended. TPMS malfunctions may occur for a variety of
reasons,
including the installation of replacement or alternate tyres or wheels on
the vehicle that
prevent the TPMS from functioning properly. Always check the TPMS
malfunction
telltale after replacing one or more tyres or wheels on your vehicle to
ensure that the
replacement or alternate tyres and wheels allow the TPMS to continue to
function
properly.
- To avoid false readings, the system samples for a little while before
indicating a
problem. As a result it will not instantaneously register a rapid tyre defl
ation or blow
out.
NOTE
Because this system detects slight changes in tyre conditions, the timing
of the warning
may be faster or slower in the following cases:
- The size, manufacturer, or the type of tyres is different from the
specifi cation.
- The size, manufacturer, or the type of a tyre is different from the
others, or the level of
tyre wear is excessively different between them.
- A run-fl at tyre, studless tyre, snow tyre, or tyre chains are used.
- An emergency tyre is used (The tyre pressure monitoring system
warning light may
fl ash and then continue illuminating).
- A tyre is repaired using the emergency fl at tyre repair kit.
- The tyre pressure is excessively higher than the specifi ed pressure,
or the tyre pressure
is suddenly lowered for some reason such as a tyre burst during driving
- The vehicle speed is lower than about 15 km/h (9.3 mph) (including
when the vehicle
is stopped), or the drive period is shorter than 5 minutes.
- The vehicle is driven on an extremely rough road or a slippery, icy
road.
- Hard steering and rapid acceleration/deceleration are repeated such
as during
aggressive driving on a winding road.
- Load on the vehicle is applied to a tyre such as by loading heavy
luggage to one side of
the vehicle.
- System initialization has not been implemented with the specifi ed
tyre pressure.
Tyre Pressure Monitoring System
Initialization
In the following cases, system
initialization must be performed so that the
system operates normally.
- A tyre pressure is adjusted.
- Tyre rotation is performed.
- A tyre or wheel is replaced
- The battery is replaced or completely
drained.
- The tyre pressure monitoring system
warning light is illuminated.
Initialization method
- Park the car in a safe place and fi rmly
apply the parking brake.
- Let the tyres cool, then adjust the tyre
pressure of all four (4) tyres to the
specifi ed pressure indicated on the tyre
pressure label located on the door jamb
of the driver's door (door open).
Refer to Tyres on page 9-10
- Switch the ignition ON.
- While the vehicle is parked, press
and hold the tyre pressure monitoring
system set switch and verify that
the tyre pressure monitoring system
warning light in the instrument cluster
fl ashes twice and a beep sound is heard
once.

CAUTION
If the system initialization is performed
without adjusting the tyre pressure, the
system cannot detect the normal tyre
pressure and it may not illuminate the
tyre pressure monitoring system warning
light even if a tyre pressure is low, or
it may illuminate the light even if the
pressures are normal.
The system initialization will not be
performed if the switch is pressed while
the vehicle is being driven.
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