Title:
ELECTRONIC CONTROL DEVICE
Document Type and Number:
Japanese Patent JP2020117124
Kind Code:
A
Abstract:
To make it possible to transfer stored data without requiring for an excessive memory capacity.SOLUTION: An electronic control device operates on the basis of a command from a main electronic control device, and stores information during operation as operation accumulated data. In the case that the electronic control device cannot establish communication when trying to establish communication with another electronic control device as the main electronic control device in the state of being connected to the other electronic control device via a communication wire, an own electronic control device is caused to determine whether or not there is the operation accumulated data, and when determining that there is the operation accumulated data, the own electronic control device is deemed as a master control device, and the other electronic control device is deemed as a slave control device, the operation accumulated data is transferred to the other electronic control device. On the other hand, when determining that there is no operation accumulated data, the other control device is deemed as a master control device and the own electronic control device is deemed as the slave control device, and it is requested to transfer the operation accumulated data to the other electronic control device.SELECTED DRAWING: Figure 3
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Inventors:
MIYATA JUNICHI
Application Number:
JP2019011008A
Publication Date:
August 06, 2020
Filing Date:
January 25, 2019
Export Citation:
Assignee:
TOYOTA MOTOR CORP
International Classes:
B60R16/02; B60R16/023
Attorney, Agent or Firm:
Aitec International Patent Office