20250170972. Abnormality De (TOYOTA JIDOSHA KABUSHIKI KAISHA)
ABNORMALITY DETERMINATION SYSTEM
Abstract: an abnormality determination system for determining an abnormality of an electronic control unit mounted on a vehicle, comprising: a plurality of electronic control units; and a control unit connected to the plurality of electronic control units via two or more communication buses, wherein, in a case where an activation request is made via a communication bus during parking of the vehicle, the control unit performs predetermined power supply control on the plurality of electronic control units, measures a current value flowing in the plurality of electronic control units before and after the power supply control, and in a case where there is a specific electronic control unit for changing the current value, stores information of a specific electronic control unit, and in a case where there is no electronic control unit for increasing the current value, stores information of the communication bus that has received the activation request.
Inventor(s): Satoshi Kawashima
CPC Classification: B60R16/0232 (VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR)
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