Patent ID: 11912139
Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
Field: Transport (Mechanical engineering)
Classification: CPC B  G  Y | IPC B  G

Claim 3:
4. A battery pack for an electric powered vehicle, wherein
the electric powered vehicle comprises a vehicle body comprising a traction motor and a vehicle ECU mounted on the vehicle body, the vehicle ECU being configured to output first identification data and second identification data for detecting communication disruptions to a battery ECU,
the battery pack comprises at least one battery cell configured to supply electric power to the traction motor and the battery ECU communicably connected to the vehicle ECU when mounted on the electric powered vehicle,
wherein the battery ECU is configured to:
when the battery ECU receives both the first identification data and the second identification data, determine that the battery ECU is communicably connected to the vehicle ECU and enable a predetermined mutual monitoring function for the vehicle ECU; and
when the battery ECU receives the first identification data but does not receive the second identification data, determine that the battery ECU is communicably connected to another ECU other than the vehicle ECU and disable the mutual monitoring function for the vehicle ECU.