Code No.B2418 OSS authentification timeout



caution
  • If the diagnosis code No. B2418 is set, diagnose the CAN bus lines.
  • When replacing the ECU, always check that the communication circuit is normal.


DIAGNOSIS FUNCTION


KOS-ECU checks whether the OSS-ECU data is received via CAN bus line, and it sets the diagnosis code No.B2418 if the data cannot be received.

JUDGEMENT CRITERIA


If the reception of data from OSS-ECU received via CAN bus line (OSS-ECU sends data to KOS-ECU via CAN bus line) is not possible, KOS-ECU determines that a problem has occurred.

PROBABLE CAUSES




DIAGNOSIS PROCEDURE


1.M.U.T.-III CAN bus diagnostics
2.M.U.T.-III other system diagnosis code
3.Check whether the diagnosis code is reset.