WCM sets the diagnosis code No. U1417 when it receives wrong vehicle information data.
JUDGEMENT CRITERIA
WCM determines that the abnormality is present, if it receives wrong global coding data
when the ignition switch is turned ON and the coding check is completed.
PROBABLE CAUSES
Malfunction of WCM
Malfunction of ETACS-ECU
Coding information input mistake
DIAGNOSIS PROCEDURE
STEP 1. M.U.T.-III other system diagnosis code
Check if the ETACS-ECU-related diagnosis code is set.
Q.
Is the diagnosis code set?
Perform troubleshooting for ETACS-ECU (Refer to GROUP 54A -
ETACS -
Troubleshooting).
Perform troubleshooting and go to Step 2.
Go to Step 2.
STEP 2. Check whether the diagnosis code is reset.
Recheck if the diagnosis code is set.
(1)Turn the ignition switch from the LOCK (OFF) position to the ON position.
(2)Check if the diagnosis code is set.
Q.
Is the diagnosis code set?
Check if the coding data is sent to the vehicles with immobilizer function on
the "non-adaptable" condition. If so, change the immobilizer function into "adaptable", and
then go to Step 3.
Intermittent malfunction is suspected (Refer to GROUP 00 -
How to Use
Troubleshooting/Inspection Service Points -
How to Deal with Intermittent
Malfunction ).
STEP 3. Check whether the diagnosis code is reset.
Recheck if the diagnosis code is set.
(1)Turn the ignition switch from the LOCK (OFF) position to the ON position.
(2)Check if the diagnosis code is set.
Q.
Is the diagnosis code set?
Replace WCM and register the ID codes (Refer to ).
).
Perform troubleshooting and go to Step 2. 
Go to Step 2.