VEHICLE MANUFACTURING METHOD AND VEHICLE CONTROL SYSTEM

A vehicle manufacturing method includes a placement step of placing, in a vehicle, a vehicle control unit and a master control unit, the vehicle control unit including a non-volatile program storage unit and controlling a function unit installed in the vehicle by executing a program stored in the program storage unit, a wire-connection step of connecting the master control unit with plural vehicle control units by a communication wire, and a writing step of executing a writing process of writing the program to the program storage unit for the vehicle control unit which is connected with the master control unit by the communication wire.