Tire pressure monitoring sensor diagnosis via vehicle antitheft and entry system
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United States of America Patent
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Apr 15, 2008
Grant Date -
Sep 21, 2006
app pub date -
Nov 22, 2005
filing date -
Oct 30, 2003
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A vehicle tire pressure monitoring (TPM) system, the system including an immobilizer transmitter that transmits at least one low frequency (LF) sensor diagnostic signal, at least one TPM sensor, wherein the at least one TPM sensor includes a transceiver that receives the at least one LF sensor diagnostic signal and, when the at least one TPM sensor is operating properly, presents at least one radio frequency (RF) message signal, and a TPM receiver that receives the at least one RF message signal and provides an indication to an operator when the at least one RF message signal is received, wherein the LF sensor diagnostic signal is transmitted to determine proper operation of the at least one TPM sensor.
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