Code No.U0331 ECU internal error


JUDGMENT CRITERIA



PROBABLE CAUSES



  • Malfunction of the ETACS-ECU

DIAGNOSIS PROCEDURE


Check whether the diagnosis code is reset.



(1)Erase the diagnosis code.
(2)Turn the ignition switch from "LOCK" (OFF) position to "ON" position.
(3)Check if diagnosis code is set.

Q. Is the diagnosis code set?