Methods executed in the program update system

Abstract

We provide a program update system and the like that can reduce the amount of work required for each vehicle. [Solution] A method to be performed in a program update system comprising a vehicle and an external server, wherein the vehicle's computer stores one or more programs in a storage unit, communicates with the server, updates the programs stored in the storage unit based on the communication with the server, the server's computer communicates with the vehicle, and based on information indicating the availability of an update program for the vehicle's system version, which is confirmed based on the program identifier of the in-vehicle equipment installed in the vehicle, transmits information indicating that a program update is possible to an external device not fixedly installed in the vehicle, and when it receives an instruction to execute a program update process from the external device, it transmits an update instruction to the vehicle without going through the external device to execute the update process based on the execution instruction, and transmits the progress of the update process to the external device.

Claims

[Claim 1] A method performed in a program update system comprising a vehicle and a server located outside the vehicle, The computer of the aforementioned vehicle A step of storing one or more programs in the memory unit, The steps include communicating with the aforementioned server, The following steps are performed: updating the program stored in the storage unit based on communication with the server; The aforementioned server's computer, The steps include communicating with the aforementioned vehicle, The steps include: transmitting information indicating that the program can be updated, based on information indicating the presence or absence of an update program for the system version of the vehicle, which is confirmed based on the program identifier of the in-vehicle equipment installed in the vehicle, to an external device not permanently installed in the vehicle; When an instruction to execute the program update process is received from the external device, the steps include: transmitting an update instruction to update the program to the vehicle without going through the external device, and executing the update process based on the execution instruction; A method for performing the steps of: transmitting the progress of the update process to the external device.

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