A vehicle diagnostic device for an electric vehicle according to an aspect of the present disclosure includes a connector for attaching and detaching to/from a diagnostic controller area network (D-CAN) channel in a vehicle network system of the electric vehicle; a controller area network (CAN) transceiver connected to a first signal line and a second signal line of the D-CAN channel through the connector; a wakeup circuit connected to the first signal line or the second signal line through the connector; and a control circuit for changing from a sleep mode to a wakeup mode in response to an input of a first wakeup signal outputted by the CAN transceiver or a second wakeup signal outputted by the wakeup circuit in the sleep mode, and collect diagnosis data from the vehicle network system through the CAN transceiver in the wakeup mode.
VEHICLE DIAGNOSTIC DEVICE FOR ELECTRIC VEHICLE
2024-03-14
Patent
Electronic Resource
English
IPC: | H04L TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION , Übertragung digitaler Information, z.B. Telegrafieverkehr / B60R Fahrzeuge, Fahrzeugausstattung oder Fahrzeugteile, soweit nicht anderweitig vorgesehen , VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR / G07C TIME OR ATTENDANCE REGISTERS , Zeit- oder Anwesenheitskontrollgeräte |