Where to Check the Tire Pressure Monitoring in the 2021 Corolla?

1 Answers
Jackson
07/29/25 11:33am
2021 Corolla's tire pressure monitoring can be viewed on the display screen. There are three commonly used methods for tire pressure monitoring: Direct Tire Pressure Monitoring: The direct tire pressure monitoring device uses pressure sensors installed in each tire to directly measure the tire's air pressure. It then transmits the pressure information from inside the tire to a central receiver module via a wireless transmitter, displaying the data for each tire's pressure. The system automatically alerts when the tire pressure is too low or if there is a leak. Indirect Tire Pressure Monitoring: When the pressure in a tire decreases, the vehicle's weight causes the rolling radius of that wheel to become smaller, resulting in a faster rotation speed compared to other wheels. By comparing the differences in rotation speeds between tires, the system monitors tire pressure. Indirect tire pressure alert systems essentially rely on calculating the rolling radius of the tires to monitor pressure. Introduction to Tire Pressure Monitoring System (TPMS): It combines the advantages of both systems mentioned above. Direct sensors are installed in two diagonally opposite tires, along with a 4-wheel indirect system. Compared to using only a direct system, this hybrid system can reduce costs and overcome the indirect system's inability to detect when multiple tires simultaneously have low pressure. However, it still cannot provide real-time data on the actual pressure in all four tires as a direct system does.
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