Nissan Motor Company Limited

Mitsuru Ooike

Tetsuro Hirohama

A tire air pressure monitoring device is inexpensively constructed, and avoids misregistering ID codes from other vehicles by using a receiver that determines the ID code registration method based on the speed of the vehicle, and a function code setting process that sets the function code of the data intended for ID code registration based on the results of the ID code registration method determining process. The receiver identifies data intended for ID code registration by the function code, and then registers the ID code. Further, the receiver has an ID code permutation comparison process that permutes the ID codes received from a plurality of transmitters to form ID code permutation blocks. The receiver compares the ID code permutations of consecutive ID code permutation blocks, and registers the ID codes when the ID code permutations are the same in two consecutive ID code permutation blocks.

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Hiratsuka, Japan

Mitsuru Ooike