If any abnormality is found with the column-ECU, the ETACS-ECU stores the diagnosis code
No.U1530.
PROBABLE CAUSES
Malfunction of the column-ECU
DIAGNOSIS PROCEDURE
Check whether the diagnosis code is reset.
Check again if the diagnosis code is set to the ETACS-ECU.
(1)Erase the diagnosis code.
(2)Turn the ignition switch from "LOCK" (OFF) position to "ON" position.
(3)On completion, check that the diagnosis code is reset.
Q.
Is the check result normal?
A poor connection, open circuit or other intermittent malfunction is present in
the LIN bus lines between the column switch and the ETACS-ECU (Refer to GROUP 00, How to Use
Troubleshooting/Inspection Service Points - How to Cope with Intermittent
Malfunctions ).