Patent ID: 11954480
Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
Field: Computer technology (Electrical engineering)
Classification: CPC G  B | IPC G

Claim 2:
3. A center comprising:
one or more processors configured to:
communicate with an over-the-air (OTA) master configured to control, based on update data, a software update for a plurality of electronic control units mounted on a vehicle;
transmit, to the OTA master, first-type update data that is the update data for a first electronic control unit on which a first-type non-volatile memory having one storage area is mounted and second-type update data that is the update data for a second electronic control unit on which a second-type non-volatile memory having two storage areas is mounted, the first electronic control unit and the second electronic control unit being included in the electronic control units;
control transmittance of the first-type update data and the second-type update data to the OTA master based on a communication state between the center and the OTA master;
transmit, when a communication load between the center and the OTA master is lower than a predetermined value, a distribution package including the first-type update data and the second-type update data to the OTA master; and
transmit, when the communication load between the center and the OTA master is equal to or higher than the predetermined value, a first distribution package including the first-type update data and a second distribution package including the second-type update data to the OTA master separately.