When Driving; Tire Pressure Monitoring System- Page 187

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Some models.

4–61

When Driving

Tire Pressure Monitoring System

     Tire  Pressure  Monitoring  System 

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            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 instrument cluster and operating a beep 
sound. 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 specifi ed 
tire pressure (value on the tire pressure label). Follow the procedure and perform the 
initialization.
  Refer to Tire Pressure Monitoring System Initialization on page  4-64 .
  The  warning  light  fl ashes when the system has a malfunction.
  Refer to Warning Lights on page  4-17 .

A BS wheel speed sensor