INSPECTION PROCEDURE C-3: Relevant Power Window(s) do not work by means of The Front and Rear Power Window Sub Switches.



























COMMENTS ON TROUBLE SYMPTOM


If the front passenger’s or rear <Long wheelbase> power window does not work by means of the respective power window sub switch, the power window sub switch or the power window motor may be defective.

PROBABLE CAUSES




DIAGNOSIS PROCEDURE


STEP 1. Check the power window main switch.


Check that the power window lock switch is turned off.

Q. Is the check result normal?

Go to Step 2.

Turn off the power window lock switch.

STEP 2. Determine a trouble spot.


Q. Which power window does not work?

Front passenger’s door : Go to Step 3.

Rear right door <Long wheelbase> : Go to Step 12.

Rear left door <Long wheelbase> : Go to Step 21.

STEP 3. Connector check: F-11 front power window sub switch (LH) connector


Q. Is the check result normal?

Go to Step 4.

Repair the connector.

STEP 4. Resistance measurement at F-11 front power window sub switch (LH) connector.


(1)Disconnect the connector, and measure at the wiring harness side.
(2)Continuity between F-11 front power window sub switch (LH) connector terminal No.1 and body earth.
OK: Continuity exists (2 Ω or less)

Q. Is the check result normal?

Go to Step 6.

Go to Step 5.

STEP 5. Check the wiring harness from F-11 front power window sub switch (LH) connector terminal No.1 to body earth.


note Prior to the wiring harness inspection, check intermediate connector D-133 and repair if necessary.

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 ).

Repair the wiring harness.

STEP 6. Voltage measurement at F-11 front power window sub switch (LH) connector.


(1)Disconnect the connector, and measure at the wiring harness side.
(2)Turn the ignition switch to the ON position.
(3)Check the voltage between the F-11 front power window sub switch (LH) connector terminal No.4 and body earth.
OK: Battery positive voltage

Q. Is the check result normal?

Go to Step 9.

Go to Step 7.

STEP 7. Connector check: D-408 power window relay connector


Q. Is the check result normal?

Go to Step 8.

Repair the connector.

STEP 8. Check the wiring harness from D-408 power window connector terminal No.4 to F-11 front power window sub switch (LH) connector terminal No.4.


note Prior to the wiring harness inspection, check intermediate connector D-133 and junction block connector D-403, and repair if necessary.

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 ).

Repair the wiring harness.

STEP 9. Connector check: F-06 front power window motor (LH) connector


Q. Is the check result normal?

Go to Step 10.

Repair the connector.

STEP 10. Check the wiring harness from F-11 front power window sub switch (LH) connector terminal Nos.5 and 7 to F-06 front power window motor (LH) connector terminal Nos.1 and 3.



Q. Is the check result normal?

Go to Step 11.

Repair the wiring harness.

STEP 11. Retest the system.


After the front power window sub switch (LH) is replaced, check that the front passenger’s door power window can be operated by the front power window sub switch (LH).
(1)Replace the front power window sub switch (LH).
(2)Check that the front passenger’s door power window can be operated by the front power window sub switch (LH).

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 front power window motor (LH).

STEP 12. Connector check: F-23 rear power window sub switch (RH) connector


Q. Is the check result normal?

Go to Step 13.

Repair the connector.

STEP 13. Resistance measurement at F-23 rear power window sub switch (RH) connector.


(1)Disconnect the connector, and measure at the wiring harness side.
(2)Continuity between F-23 rear power window sub switch (RH) connector terminal No.1 and body earth.
OK: Continuity exists (2 Ω or less)

Q. Is the check result normal?

Go to Step 15.

Go to Step 14.

STEP 14. Check the wiring harness from F-23 rear power window sub switch (RH) connector terminal No.1 to body earth.


note Prior to the wiring harness inspection, check intermediate connector E-43 and repair if necessary.

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 ).

Repair the wiring harness.

STEP 15. Voltage measurement at F-23 rear power window sub switch (RH) connector.


(1)Disconnect the connector, and measure at the wiring harness side.
(2)Turn the ignition switch to the ON position.
(3)Check the voltage between the F-23 rear power window sub switch (RH) connector terminal No.4 and body earth.
OK: Battery positive voltage

Q. Is the check result normal?

Go to Step 18.

Go to Step 16.

STEP 16. Connector check: D-408 power window relay connector


Q. Is the check result normal?

Go to Step 17.

Repair the connector.

STEP 17. Check the wiring harness from D-408 power window relay connector terminal No.4 to F-23 rear power window sub switch (RH) connector terminal No.4.


note Prior to the wiring harness inspection, check intermediate connectors D-220, E-43 and junction block connector D-403, and repair if necessary.

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 ).

Repair the wiring harness.

STEP 18. Connector check: F-26 rear power window motor (RH) connector


Q. Is the check result normal?

Go to Step 19.

Repair the connector.

STEP 19. Check the wiring harness from F-23 rear power window sub switch (RH) connector terminal Nos.5 and 7 to F-26 rear power window motor (RH) connector terminal Nos.1 and 3.



Q. Is the check result normal?

Go to Step 20.

Repair the wiring harness.

STEP 20. Retest the system.


After the rear power window sub switch (RH) is replaced, check that the rear right door power window can be operated by the rear power window sub switch (RH).
(1)Replace the rear power window sub switch (RH).
(2)Check that the rear right door power window can be operated by the rear power window sub switch (RH).

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 power window motor (RH).

STEP 21. Connector check: F-17 rear power window sub switch (LH) connector


Q. Is the check result normal?

Go to Step 22.

Repair the connector.

STEP 22. Resistance measurement at F-17 rear power window sub switch (LH) connector.


(1)Disconnect the connector, and measure at the wiring harness side.
(2)Continuity between F-17 rear power window sub switch (LH) connector terminal No.1 and body earth.
OK: Continuity exists (2 Ω or less)

Q. Is the check result normal?

Go to Step 24.

Go to Step 23.

STEP 23. Check the wiring harness from F-17 rear power window sub switch (LH) connector terminal No.1 to body earth.


note Prior to the wiring harness inspection, check intermediate connectors E-42, and repair if necessary.

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 ).

Repair the wiring harness.

STEP 24. Voltage measurement at F-17 rear power window sub switch (LH) connector.


(1)Disconnect the connector, and measure at the wiring harness side.
(2)Turn the ignition switch to the ON position.
(3)Check the voltage between the F-17 rear power window sub switch (LH) connector terminal No.4 and body earth.
OK: Battery positive voltage

Q. Is the check result normal?

Go to Step 27.

Go to Step 25.

STEP 25. D-408 power window relay connector


Q. Is the check result normal?

Go to Step 26.

Repair the connector.

STEP 26. Check the wiring harness from D-408 power window connector terminal No.4 to F-17 rear power window sub switch (LH) connector terminal No.4.


note Prior to the wiring harness inspection, check intermediate connectors D-236, E-42 and junction block connector D-403, and repair if necessary.

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 ).

Repair the wiring harness.

STEP 27. Connector check: F-20 rear power window motor (LH) connector


Q. Is the check result normal?

Go to Step 28.

Repair the connector.

STEP 28. Check the wiring harness from F-17 rear power window sub switch (LH) connector terminal Nos.5 and 7 to F-20 rear power window motor (LH) connector terminal Nos.1 and 3 to.



Q. Is the check result normal?

Go to Step 29.

Repair the wiring harness.

STEP 29. Retest the system.


After the rear power window sub switch (LH) is replaced, check that the rear left door power window can be operated by the rear power window sub switch (LH).
(1)Replace the rear power window sub switch (LH).
(2)Check that the rear left door power window can be operated by the rear power window sub switch (LH).

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 power window motor (LH).