Inspection Procedure 1: Rear Panel Power Window do not Work at All.


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-09 rear panel power window motor connector


Q. Is the check result normal?

Go to Step 3.

Repair the connector.

STEP 3. Check the wiring harness between D-11 rear panel power window-ECU connector terminal No.1, 2, 8 and 11 to D-09 rear panel power window motor connector terminal No.3, 1, 5 and 6.



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

Q. Is the check result normal?

Go to Step 4.

Repair the wiring harness.

STEP 4. Check the wiring harness between D-11 rear panel power window-ECU connector terminal No.18 to fusible link (23).








note Prior to the wiring harness inspection, check intermediate connectors C-16, C-33 and relay box connector A-12, and repair if necessary.

  • Check the power supply line for open circuit.

Q. Is the check result normal?

Go to Step 5.

Repair the wiring harness.

STEP 5. Check the wiring harness between D-11 rear panel power window-ECU connector terminal No.9 to ignition switch (IG1).







note Prior to the wiring harness inspection, check intermediate connector C-16, joint connector C-132 and junction block connectors C-207, C-209, and repair if necessary.

  • Check the power supply line for open circuit.

Q. Is the check result normal?

Go to Step 6.

Repair the wiring harness.

STEP 6. Check the wiring harness between D-11 rear panel power window-ECU connector terminal No.10 to body earth.



  • Check the earth wires for open circuit.

Q. Is the check result normal?

Go to Step 7.

Repair the wiring harness.

STEP 7. Connector check: D-22 rear panel power window switch connector


Q. Is the check result normal?

Go to Step 8.

Repair the connector.

STEP 8. Check the rear panel power window switch.
Refer to .

Q. Is the check result normal?
Go to Step 9.
Replace the rear panel power window switch.

STEP 9. Check the wiring harness between D-22 rear panel power window switch connector terminal No.2 and body earth.



  • Check the earth wires for open circuit.

Q. Is the check result normal?

Go to Step 10.

Repair the wiring harness.

STEP 10. 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.