INSPECTION PROCEDURE 18: The Power Windows do not work Normally by means of The Multimode Keyless Entry Function.

caution

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

OPERATION

With a ETACS customisation function, using the keyless operation key, the power windows, sunroof, and electric-folding door mirrors can be activated.

PROBABLE CAUSES

Malfunction of power window main switch
Function setting error or no setting with a customisation
Malfunction of ETACS-ECU

DIAGNOSTIC PROCEDURE

STEP 1. Confirm the operation of the power windows.

Check that the power windows work normally.

Q. Is the check result normal?

Go to Step 2.

Refer to GROUP 42A - inspection procedure C-1 "power windows do not work at all

STEP 2. Check the customisation

Use the customisation function to check that the "Multi mode" has been set to other than "Disabled."

Q. Is it set to other than "disabled"?

Go to Step 3.

Use the customisation function to set the "Multi mode" to other than "Disabled" (Refer to

STEP 3. M.U.T.-III diagnosis code

Check whether a KOS-related diagnosis code is set.

Q. Is the diagnosis code set?

Refer to

Go to Step 4.

STEP 4. Check of the troubles

Check that the multi mode keyless entry can activate the power window (including the sunroof close operation).

Q. Is the check result normal?

Intermittent malfunction is suspected (Refer to GROUP 00 - How to Use Troubleshooting/Inspection Service Points - How to Cope with Intermittent Malfunction

Replace ETACS-ECU.