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
Malfunction of CAN bus line
Malfunction of OSS-ECU
Malfunction of KOS-ECU
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.