Diagnosis & Testing
The manufacturer does not provide window motor testing for the rear power window motor at this time.
Be sure that you have the anti-theft codes for the audio system and navigation system, if equipped. Record the audio presets.
- Before servicing the vehicle, refer to the Precautions Section.
- Turn the ignition switch OFF.
- Disconnect and isolate the negative battery cable. Wait 3 minutes for the system capacitor to discharge before performing any service.
- Disconnect the positive battery cable.
- Fully lower the door glass.
- Using a suitable flat tipped pry tool, pry out the lower portion of the door handle cover to release the hooks. Remove the cover.
- Remove the screws.
- To remove the inner handle from the door panel pull the handle forward and out half way to release the hook. Pull out the top of the handle.
- While pulling on the handle, disconnect the inner handle rod from the joint bushing.
- Disconnect the power door lock switch connector. Remove the inner handle.
- Detach the clip and release the hooks. Remove the switch panel.
Disconnect the electrical connectors.
NOTEOn the driver-s side front door disconnect the power mirror switch connector.
On the driver-s side front door, detach the clips and release the hooks. Pry out the mirror mount cover in the sequence shown in the illustration.
- Remove the door panel retaining screws. Using a suitable pry tool, remove the door panel retaining clips.
- Remove the door panel from the vehicle.
- Disconnect the connector from the motor.
- Test the motor in each direction by connecting battery power and ground according to the illustration. When the motor stops running disconnect one lead immediately.
If the motor does not run or does not run smoothly, replace it.
- To test the driver-s side motor pulser, reconnect the electrical connector to the motor.
- Measure the voltage between the terminals.
- There should be battery voltage between the No. 6 (+) and No. 4 (-) terminals when the ignition switch is ON (II).
- Connect an analog voltmeter between the No. 5 (+) and No. 4 (-) terminals. Run the motor up or down. The needle should move back and forth alternately.
- Connect an analog voltmeter between the No. 3 (+) and No. 4 (-) terminals. Run the motor up or down. The needle should move back and forth alternately.