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Diagnostic Procedure
DOOR GLASS OTHER THAN DRIVER DOOR CANNOT BE OPERATED, CANNOT BE OPERATED USING POWER WINDOW MAIN SWITCH OR EACH SUBSWITCH (POWER WINDOW SYSTEM) DIAGNOSTIC PROCEDURE
| Step |
Inspection |
Action |
| 1 |
POWER WINDOW MOTOR CONNECTOR INSPECTION
- Switch the ignition off.
- Disconnect the negative battery terminal. (See NEGATIVE BATTERY TERMINAL DISCONNECTION/CONNECTION
.)
- Disconnect the power window motor connector.
- Inspect the connector engagement and connection condition and inspect the terminals for damage, deformation, corrosion, or disconnection.
- Is the connector normal?
|
Yes |
Go to the next step. |
| No |
Repair or replace the connector, then go to Step 5. |
| 2 |
POWER WINDOW SUBSWITCH CONNECTOR INSPECTION
- Disconnect the power window subswitch connector.
- Inspect the connector engagement and connection condition and inspect the terminals for damage, deformation, corrosion, or disconnection.
- Is the connector normal?
|
Yes |
Go to the next step. |
| No |
Repair or replace the connector, then go to Step 5. |
| 3 |
POWER WINDOW MOTOR TERMINALS E AND F INSPECTION
- Reconnect the disconnected connectors.
- Connect the negative battery terminal. (See NEGATIVE BATTERY TERMINAL DISCONNECTION/CONNECTION
.)
- Measure the voltage at power window motor terminals E and F while operating the power window subswitch.
- Terminal E during close operation
- Terminal F during open operation
- Is the voltage B+?
|
Yes |
Replace the power window motor, then go to Step 5.
(See FRONT POWER WINDOW MOTOR REMOVAL/INSTALLATION
.)
(See REAR POWER WINDOW MOTOR REMOVAL/INSTALLATION
.) |
| No |
Go to the next step. |
| 4 |
POWER WINDOW SUBSWITCH INSPECTION
|
Yes |
Refer to the wiring diagram and verify if there is a common connector between the following terminals.
- Power window subswitch terminal A and power window motor terminal F
- Power window subswitch terminal D and power window motor terminal E
If there is a common connector:
- Inspect the common connector and terminals for corrosion, damage, or disconnection and the common wiring harnesses for an open or short circuit to determine the malfunctioning location.
- Repair or replace the malfunctioning location.
If there is no common connector:
- Repair or replace the wiring harness which has an open or short circuit.
Go to the next step. |
| No |
Replace the power window subswitch, then go to the next step.
(See POWER WINDOW SUBSWITCH REMOVAL/INSTALLATION
.) |
| 5 |
VERIFY IF MALFUNCTION CAUSE IS CORRECTED
- Does the power window system operate normally?
|
Yes |
Troubleshooting completed. (Explain the problem to the customer.) |
| No |
Verify the malfunction symptom in the symptom troubleshooting chart and perform the other applicable malfunction diagnosis. |