| 摘要 |
PROBLEM TO BE SOLVED: To provide a tire air pressure monitoring device for restraining an erroneous warning. SOLUTION: A control part 11 of a vehicle body side unit 10 determines whether a flag is OFF based on a signal of indicating ON/OFF of a continuous stopping flag transmitted from a transmission part 21e of a tire side unit 21, and advances to a Step S11 when determining that the flag is OFF (Step S10). Next, the control device 11 of the vehicle body side unit 10 determines whether tire air pressure is a warning threshold value or less based on a detection signal of an air pressure sensor 21d transmitted from the transmission part 21e of the tire side unit 21 and the warning threshold value stored in a memory, and advances to a Step S12 when determining that the tire air pressure is the warning threshold value or less (Step S11). The control part 11 of the vehicle body side unit 10 gives a warning by displaying the effect of reducing the tire air pressure by a warning part 12 (Step S12). COPYRIGHT: (C)2011,JPO&INPIT
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