INSPECTION PROCEDURE 3: The Sunroof Lid Glass does not Open (Tilt-up, Tilt-down, And Close Normally).

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


Malfunctions of the sunroof motor assembly or sunroof switch are suspected.



STEP 1. M.U.T.-III diagnosis code

Check that any sunroof operation-related diagnosis codes are set in ETACS-ECU.

Q. Is the diagnosis code set?

Refer to diagnosis code chart .

Go to Step 2.

STEP 2. Sunroof switch check

Refer to sunroof switch check .

Q. Is the sunroof switch normal?

Go to Step 3.

Replace the sunroof switch.

STEP 3. Check of open circuit in OPEN line between sunroof motor assembly connector and sunroof switch connector.

Q. Is the check result normal?

Go to Step 4.

Repair the wiring harness.

STEP 4. Retest the system.

Check that the roof lid glass is open.

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.