| 摘要 |
PROBLEM TO BE SOLVED: To provide a vehicle system capable of suppressing power consumption by an on-vehicle device, and capable of specifying a position of a portable machine with respect to a vehicle.SOLUTION: An LF transmission section 12 of an on-vehicle device 1 transmits a wake signal including a position code different for each of LF antennas 15a-d simultaneously from the LF antennas 15a-d. A portable machine which receives the wake signal returns a response signal including the position code included in the received wake signal to the on-vehicle device 1. The on-vehicle device 1 specifies the LF antenna which transmits the wake signal received by the portable machine from the position code included in the response signal and the position code stored in a memory 11a, and specifies the position of the portable machine with respect to a vehicle A. |
