When the diagnosis
code No. B2204 is set, be sure to diagnose the CAN bus line.
When replacing the ECU, always check that the communication circuit is normal.
DIAGNOSIS FUNCTION
If the vehicle information data on the CAN bus lines is different from that registered
with KOS-ECU, KOS-ECU sets the diagnosis code No. B2204.
JUDGMENT CRITERIA
KOS-ECU determines that the abnormality is present when the vehicle information registered
in it does not match the vehicle information on the CAN bus lines.
PROBABLE CAUSES
Malfunction of CAN bus line
Malfunction of KOS-ECU
Malfunction of ETACS-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.