METHOD FOR REWRITING SOFTWARE OF ON-VEHICLE EQUIPMENT, SYSTEM OF TELEMATICS SYSTEM, AND TELEMATICS DEVICE

摘要

PROBLEM TO BE SOLVED: To provide a software rewriting method of on-vehicle equipment which saves a vehicle user from bringing a vehicle into a retailer or a service center and saves him or her inconveniences that the vehicle becomes unable to use and saves the retailer and the service center from informing the user of the vehicle that the software of the on-vehicle equipment is to be rewritten. SOLUTION: A rewriting software so as to update the software of an ECU 3 is distributed by radio from the service center 6 via a mobile communication network 4. The rewriting software distributed by radio is received by a communication terminal 2 and downloaded from a telematics device 1. By using the downloaded rewriting software, the software of the ECU 3 is rewritten and updated. COPYRIGHT: (C)2005,JPO&NCIPI