The ETACS-ECU will set diagnosis code No. U1511 when abnormal signals are received from
the sunroof control unit.
PROBABLE CAUSES
Faulty sunroof control unit
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)Check if diagnosis code is set.
Q.
Is the diagnosis code set?
Replace the sunroof control unit.
A poor connection, open circuit, or other intermittent malfunctions in the LIN
bus lines between the sunroof control unit and the ETACS-ECU (Refer to GROUP 00 - How
to Cope with Intermittent Malfunction ).
Replace the sunroof control unit.
A poor connection, open circuit, or other intermittent malfunctions in the LIN
bus lines between the sunroof control unit and the ETACS-ECU (Refer to GROUP 00 - How
to Cope with Intermittent Malfunction