CODE NO. L0634: S/R Sensor signal


caution Before replacing the ECU, ensure that the input and output signal circuits are normal.

COMMENTS ON TROUBLE SYMPTOM
Current trouble
  • If the signal from one of two lid position detection sensors cannot be detected, ETACS-ECU sets the diagnosis code No. L0634.

PROBABLE CAUSES

  • Malfunction of the sunroof motor assembly

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.
(3)Check if the diagnosis code is set.

Q. Is the diagnosis code set?
Replace the sunroof motor assembly.
The diagnosis is complete.