Operation CHARM: Car repair manuals for everyone.

System Outline

System Outline

The tire pressure warning valve and transmitter installed in the tire wheel detects the tire air pressure and transmits signals to the vehicle side receiver. When the detected tire air pressure is below a specified level, the warning light in the combination meter comes on to inform the driver.

Press the tire pressure warning reset SW for 3 seconds with the ignition SW at ON position after the tire pressure is adjusted to the specified value. It will lead the tire pressure warning ECU to warn the pressure according to the specified value.

Warnings when the tire pressure is low
- When the tire air pressure is below a specified level, the warning light in the combination meter comes on.