High-frequency triggered tire pressure detection system and wake-up method

A wake-up method of a high-frequency triggered tire pressure detection system, the method comprising steps in which:

• a PEPS module periodically emits a high-frequency detection signal via a vehicle key detection unit;
• if a matching vehicle key enters a transmission range of the vehicle key detection unit, a vehicle key receives the detection signal using a key high-frequency transceiver module, and at this point, a key central control unit within the vehicle key compares the detection signal with an ID of the vehicle key;
• when a match is found, a key stored in a key storage unit is encrypted and then transmitted to a vehicle host through a high-frequency signal for comparison;
• if a key verification is successful, the vehicle host sends an unlock signal to command a host electronic lock control module to unlock vehicle doors, while an ECU unit sends a command to a host high-frequency transceiver module to wake up each corresponding TPMS via a wireless high-frequency signal;
• once awakened, each of the TPMS processes detected data using a TPMS central control unit and transmits a wireless high-frequency signal via a TPMS high-frequency transceiver module to the host high-frequency transceiver module;
• and the vehicle host receives the signal transmitted from each of the TPMS and then displays the detected data from each of the TPMS on a host display.