PROGRAM REWRITING SYSTEM FOR VEHICLES

摘要

A rewriting device (54) of a program rewriting system (10) for vehicles receives a plurality of pieces of rewriting data each including a rewriting program and also receives information of combination suitability determination used for determining whether the combination of the plurality of pieces of rewriting data is suitable or not. The rewriting device (54) then uses the information of combination suitability determination to determine whether the combination of the plurality of pieces of rewriting data is suitable or not. If having determined that the combination is suitable, the rewriting device (54) executes the rewriting of the programs of a plurality of electronic control devices (56a-56d).