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3-12. Tire Pressure Monitoring System
Tire Pressure Monitoring System
The Tire Pressure Monitoring System (TPMS) 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 tire
pressure monitoring system warning light in the combination
meter and operating a beep sound.
The system monitors the tire pres-
sures indirectly using the data
sent from the ABS wheel speed
sensors.
To allow the system to operate correctly, the system needs to be ini-
tialized with the specified tire pressure (value on the tire pressure
label). Follow the procedure and perform the initialization.
Refer to Tire Pressure Monitoring System Initialization on P. 245.
The warning light flashes when the system has a malfunction.
Refer to Warning Lights on P. 165.
YARIS_SEDAN_OM_OM99M18z_(U)
ABS wheel speed sensor
: If equipped
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