Title:
VEHICLE
Document Type and Number:
Japanese Patent JP2020059425
Kind Code:
A
Abstract:
To make it possible to determine, when an abnormality occurs in the reception of information via a dedicated communication line in at least either of first and second control devices which exchange information via the dedicated communication line and a shared communication line, whether in the first, second control devices, or the dedicated communication line the abnormality occurs.SOLUTION: When, in one of first and second control devices, an abnormality occurs in the reception of information via a dedicated communication line, the one of the first and second control devices provides notification of the occurrence of the abnormality in the reception of the information, to the other via a shared communication line. In addition, each of the first and second control devices tests the output state of an own signal to the dedicated communication line. Then, at least either one of the first and second control devices receives a test result in the other via the shared communication line, determines an abnormal portion on the basis of the test results in the first and second control devices, and allows a storage unit to store the test results and the determination result of the abnormal portion.SELECTED DRAWING: Figure 5
Inventors:
FUKAYA TAKASHI
Application Number:
JP2018192543A
Publication Date:
April 16, 2020
Filing Date:
October 11, 2018
Export Citation:
Assignee:
TOYOTA MOTOR CORP
International Classes:
B60R16/02; B60R16/023; G01M17/007
Attorney, Agent or Firm:
Aitec International Patent Office