How Does the Tire Pressure Monitoring System Work in Cars?

1 Answers
SanGarrett
07/29/25 6:57pm
Car tire pressure monitoring systems operate on different principles depending on the monitoring method: 1. Direct TPMS: Uses pressure sensors installed inside the tires to measure air pressure, then transmits this data wirelessly from the tire to a central receiver module; 2. Indirect TPMS: When tire pressure decreases, the vehicle's weight causes that wheel's rolling radius to shrink, allowing the system to monitor pressure by comparing rotational speed differences between tires. The functions of car tire pressure monitoring are: 1. Preventing accidents; 2. Extending tire service life; 3. Reducing wear on suspension systems.
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