SOFTWARE UPDATING DEVICE, AND SOFTWARE UPDATING METHOD

摘要

PROBLEM TO BE SOLVED: To provide a software updating device and a software updating method capable of updating the software at the timing not to affect the traveling of a vehicle. SOLUTION: The software updating device 1 to update the drive supporting software 51 of a drive supporting ECU 50 to control the operation of a drive unit 32 provided on a vehicle 3. The vehicle 3 has an IG 30 to operate whether or not to supply the power to the drive unit 32, and also has an update control unit to update the drive supporting software 51 of the drive supporting ECU 50 when the IG 30 stops the power supply to the drive unit 32 and the drive unit 32 is not operated. COPYRIGHT: (C)2005,JPO&NCIPI