Code No.B2417 OSS authentification error
caution
When replacing the ECU, always check that the communication circuit is normal.
DIAGNOSIS FUNCTION
When abnormal data is received from OSS-ECU as a result of the certification communication with OSS-ECU, KOS-ECU sets the diagnosis code No.B2417.
JUDGEMENT CRITERIA
When abnormal data is received from OSS-ECU, KOS-ECU determines that a problem has occurred.
PROBABLE CAUSES
Malfunction of OSS-ECU (OSS-ECUs have been interchanged between two vehicles.)
Malfunction of KOS-ECU
DIAGNOSIS PROCEDURE
1.
M.U.T.-III other system diagnosis code.
2.
M.U.T.-III diagnosis code.
3.
Check whether the diagnosis code is reset.