Vehicle and software update method
AssigneeHonda Motor Co., Ltd.
InventorsYosuke SHIONOYA, Tomoaki TAKI
Life of this patent
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Abstract
An OTA manager, when an activation switch of a vehicle is OFF, transmits a unique identifier of each electronic control unit acquired before the activation switch was switched from ON to OFF to an OTA server via a communication line and receives update data from the OTA server via the communication line, and after the activation switch was switched from OFF to ON, the OTA manager makes a comparison between the identifiers transmitted to the OTA server before the activation switch was switched from OFF to ON and the identifiers acquired after the activation switch was switched from OFF to ON.
Claims9
A vehicle that includes a plurality of electronic control units and updates software of each electronic control unit with update data transmitted from a server via a communication line, the vehicle comprising one or more processors,
- wherein the one or more processors:
- when an activation switch of the vehicle is OFF, transmit a unique identifier of each electronic control unit acquired before the activation switch was switched from ON to OFF to the server via the communication line and receive the update data corresponding to the transmitted identifiers from the server via the communication line;
- and
- after the activation switch has been switched from OFF to ON, make a comparison between the identifiers transmitted to the server before the activation switch was switched from OFF to ON and the identifiers acquired after the activation switch was switched from OFF to ON.
A software update method for, in a vehicle that includes a plurality of electronic control units, updating software of each electronic control unit with update data transmitted from a server via a communication line, the software update method comprising:
- when an activation switch of the vehicle is OFF, transmitting a unique identifier of each electronic control unit acquired before the activation switch was switched from ON to OFF to the server via the communication line and receiving the update data corresponding to the transmitted identifiers from the server via the communication line;
- and
- after the activation switch has been switched from OFF to ON, making a comparison between the identifiers transmitted to the server before the activation switch was switched from OFF to ON and the identifiers acquired after the activation switch was switched from OFF to ON.
Dependencies are inferred from the claim text.