Loading patent…
AssigneeDenso Corporation
InventorsMasahiko TANAKA, Mitsuyoshi NATSUME, Yasuyuki TAKAHASHI, Yuzo HARATA
Estimating the term…
A vehicular system includes a master ECU, a first slave ECU, and a second slave ECU. The second slave ECU transmits a storing request to the master ECU on detection of a malfunction. The master ECU transmits a storing instruction for causing diagnostic information to be stored, on reception of the storing request. The first slave ECU generates diagnostic information on the first slave ECU, on reception of the storing instruction from the master ECU. The first slave ECU further stores the generated diagnostic information in a retention storage medium. The retention storage medium is configured to retain validity determination information in a condition where the first slave ECU is not supplied with electric power source.
A vehicular system equipped to a vehicle, the vehicular system comprising:
An ECU equipped to a vehicle, the ECU configured, on reception of a storing instruction from an outside:
A storing instruction transmission device configured to transmit a storing instruction to a vehicular ECU, the vehicular ECU being configured, on reception of the storing instruction from an outside:
An ECU communicable with a storing instruction transmission device, the ECU comprising:
Dependencies are inferred from the claim text.