Inspection Procedure 2: Any of The Rear Panel Power Window Switch Position is defective.

caution

Whenever the ECU is replaced, ensure that the input and output signal circuits are normal.

COMMENTS ON TROUBLE SYMPTOM

If the rear panel power window do not work at all, the rear panel power window switch, the rear panel power window motor or the rear panel power window-ECU may be defective.

PROBABLE CAUSES

Malfunction of the rear panel power window switch
Malfunction of the rear panel power window motor
Malfunction of the rear panel power window-ECU
Damaged harness wires and connectors

DIAGNOSIS PROCEDURE

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

When the ignition switch is turned to the "ON" position, check that the ETACS-ECU does not set the diagnosis code.

Q. Is the diagnosis code set?

	Refer to .

	Go to Step 2.

STEP 2. Connector check: D-11 rear panel power window-ECU connector and D-22 rear panel power window switch connector

Q. Is the check result normal?

Go to Step 3.

Repair the connector.

STEP 3. Check the rear panel power window switch.

Refer to

Q. Is the check result normal?

	Go to Step 4.

	Replace the rear panel power window switch.

STEP 4. Check the wiring harness between D-11 rear panel power window-ECU connector terminal Nos.4, 5 and 6 to D-22 rear panel power window switch connector terminal Nos.5, 4 and 1.

Check the input and output lines for open or short circuit.

Q. Is the check result normal?

Go to Step 5.

Repair the wiring harness.

STEP 5. Retest the system.

After the rear panel power window motor is replaced, check that the rear panel power window work.

(1)Replace the rear panel power window motor.

(2)Check that the rear panel power window work.

Q. Is the check result normal?

	The trouble can be an intermittent malfunction (Refer to GROUP 00, How to use Troubleshooting/inspection Service Points - How to Cope with Intermittent Malfunction ).

	Replace the rear panel power window-ECU.