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

Claim 5:
6. A system comprising:
an over-the-air (OTA) master including one or more first processors configured to control, based on update data, a software update for a plurality of electronic control units mounted on a vehicle; and
a center including one or more second processors configured to
communicate with the OTA master,
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; 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, wherein

the one or more first processors are configured to receive the first-type update data and the second-type update data transmitted by the center.