公开(公告)号：US20220004178A1

公开(公告)日：2022-01-06

申请号：US17363517

申请日：2021-06-30

Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA

Inventor： Shingo MATSUDA ,  Satoshi Nishio ,  Tetsuya Furuya

IPC: G05B23/02

Abstract: An abnormality detection system configured to detect abnormal communication includes a first electronic control unit, a plurality of second electronic control units, a plurality of connector connection portions, and a processor. The connector connection portions are provided on a communication path between the first electronic control unit and the second electronic control units. Each connector connection portion includes a first connector portion and a second connector portion. The processor is configured to determine that, when abnormal communication occurs, one of the connector connection portions that is experiencing abnormal communication with all the second electronic control units connected to the second connector portion and that includes the second connector portion connected to the largest number of second electronic control units is abnormal.