Title:
IN-VEHICLE SYSTEM
Document Type and Number:
Japanese Patent JP2023045278
Kind Code:
A
Abstract:
To provide an in-vehicle system capable of stably updating data without consuming electric power from a main electric power supply.SOLUTION: A DCM 20 temporarily stores update data received from an OTA center 12 in a storage 24D of an instruction ECU 24a. When an IG is turned off, a backup electric power supply 28 supplies electric power to the instruction ECU 24a and a target ECU 24b, and the instruction ECU 24a transmits update data temporarily stored in the storage 24D to the target ECU 24b. After receiving the update data, the target ECU 24b updates based on the received information.SELECTED DRAWING: Figure 4
Inventors:
SHINODA KOJI
Application Number:
JP2021153585A
Publication Date:
April 03, 2023
Filing Date:
September 21, 2021
Export Citation:
Assignee:
TOYOTA MOTOR CORP
International Classes:
G06F8/65; B60R16/02
Attorney, Agent or Firm:
Patent Attorney Corporation Taiyo International Patent Office
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