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TPMS (Tire Pressure
Monitoring System)
Tire Pressure Monitoring System —
Lo/Hi Grade
The TPMS (Tire Pressure Monitoring
System) monitors the air pressure of all
four tires.
If the air pressure of one or more tires is
too low, the system warns the driver by
indicating the
warning light in the
instrument cluster and operating a
beep.
The system monitors the tire 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 specified tire pressure
(value on the tire placard label). Follow
the procedure and perform the
initialization (refer to “Tire Pressure
Monitoring System Initialization”
paragraph).
The
warning light flashes when the
system has a malfunction.
Because this system detects slight
changes in tire conditions, the timing of
the warning may be faster or slower in
the following cases:
The size, manufacturer, or the type of
tires is different from the specification.
The size, manufacturer, or the type of
a tire is different from the others, or the
level of tire wear is excessively different
between them.
A run-flat tire, snow tire, or tire chains
are used.
An emergency tire is used (the
warning light may flash and then
continue illuminating).
A tire is repaired using the
emergency flat tire repair kit.
The tire pressure is excessively
higher than the specified pressure, or
the tire pressure is suddenly lowered for
some reason such as a tire burst during
driving.
The vehicle speed is lower than
about 9 mph (15 km/h) (including when
the vehicle is stopped), or the drive
period is shorter than five 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
tire such as by loading heavy luggage
to one side of the vehicle.
System initialization has not been
implemented with the specified tire
pressure.
Tire Pressure Monitoring System
Initialization
In the following cases, system
initialization must be performed so that
the system operates normally:
A tire pressure is adjusted.
A tire rotation is performed. A tire or
wheel is replaced.
The battery is replaced or completely
discharged.
The warning light is illuminated.
Initialization Method
Proceed as follows:
1. Park the car in a safe place and
firmly apply the parking brake.
2. Be sure the tires are cool, then
adjust the tire pressure of all four (4)
tires to the specified pressure indicated
on the tire placard label located on the
driver's door frame (door open).
3. Place the ignition in the ON mode.
4. While the vehicle is parked, press
and hold the TPMS system set switch
and verify that the
warning light in
the instrument cluster flashes twice and
a beep sound is heard once.
124
SAFETY
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