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Vehicular system, ECU, storing instruction transmission device, and storing request transmission device

  • US 10,099,703 B2
  • Filed: 07/14/2016
  • Issued: 10/16/2018
  • Est. Priority Date: 03/18/2011
  • Status: Active Grant
First Claim
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1. A vehicular system equipped to a vehicle, the vehicular system comprising:

  • a master ECU generating a vehicle local time periodically and repeatedly;

    a first slave ECU receiving the vehicle local time from the master ECU; and

    a second slave ECU receiving the vehicle local time from the master ECU, whereinthe second slave ECU is configured to generate diagnostic information and to transmit a storing request to the master ECU when the second slave ECU detects a malfunction,the second slave ECU is further configured to generate a system identification code in the storing request to be transmitted to the master ECU,the master ECU is configured to transmit a storing instruction to the first slave ECU and the second slave ECU when receiving the storing request from the second slave ECU so that the first slave ECU and the second slave ECU store the diagnostic information generated by the second slave ECU in association with the vehicle local time generated by the master ECU,the master ECU is further configured to receive the system identification code from the second slave ECU and to transmit the system identification code to the first slave ECU, andthe first slave ECU is further configured to determine whether to store the diagnostic information on the first slave ECU based on the system identification code received from the master ECU.

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