INSPECTION PROCEDURE 5: Sunroof anti-trap function (safety mechanism) does not work normally.


caution Before replacing the ECU, ensure that the power supply circuit, the earth circuit and the communication circuit are normal.

COMMENTS ON TROUBLE SYMPTOM
Malfunction of the sunroof motor assembly or incorrect learning of the sunroof fully closed position is suspected.

PROBABLE CAUSES

  • Malfunction of the sunroof motor assembly
  • Incorrect learning of the sunroof fully closed position

DIAGNOSTIC PROCEDURE

STEP 1. M.U.T.-III diagnosis code
Check that any sunroof operation-related diagnosis codes are set in sunroof motor assembly.

Q. Is the diagnosis code set?
Refer to diagnosis code chart .
Go to Step 2.

STEP 2. Check the trouble symptom.
Check the sunroof trouble symptom according to the following procedures.
(1)Carry out the learning procedures of the sunroof fully closed position (Refer to ).
(2)Check the trouble symptom.

Q. Is the check result normal?
Intermittent malfunction (Refer to GROUP 00 - How to Use Troubleshooting/Inspection Service Points - How to Cope with Intermittent Malfunction ).
Replace the sunroof motor assembly.