| 摘要 |
PROBLEM TO BE SOLVED: To provide a driver program required when a tire air pressure detecting ECU 70 determines the tire air pressure. SOLUTION: Each pressure sensor detects the tire air pressure of each tire and transmits each detection signal. A microcomputer 75 of the tire air pressure detecting ECU 70 determines the air pressure of each tire according to the detection signal from each pressure sensor. A communication ECU 100 receives a sensor format identifier of each pressure sensor from store PC 10 (step S200). The microcomputer 75 transmits a request signal for requesting a corresponding driver program to a contents server 30 via the communication ECU 100 (step S310). Then, the microcomputer 75, on receiving the corresponding driver program from the contents server 30, records the corresponding driver program in a memory 76 (step S320 and S330). COPYRIGHT: (C)2006,JPO&NCIPI
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