Before replacing the ECU,
ensure that the input and output signal circuits are normal.
COMMENTS ON TROUBLE SYMPTOM
If the rear power window sub switch (LH) information signals cannot be read,
rear power window sub switch (LH) sets the diagnostic trouble code No. L0946.
If the rear door window glass (LH) position cannot be read, rear power window sub
switch (LH) sets the diagnostic trouble code No. L0950.
PROBABLE CAUSES
Malfunction of the rear power window sub switch (LH)
DIAGNOSTIC PROCEDURE
Diagnosis code recheck
Recheck if the diagnosis code is set.
(1)Erase the diagnosis code.
(2)Turn the ignition switch from the LOCK (OFF) position to the ON position.