Power Window Motor: Testing and Inspection
VENT WINDOW MOTORIf the power vent window motor is receiving proper current and ground and does not operate proceed with motor test. Refer to the appropriate wiring information. The wiring information includes wiring diagrams, proper wire and connector repair procedures, details of wire harness routing and retention, connector pin-out information and location views for the various wire harness connectors, splices and grounds.
1. Remove D-pillar trim panel necessary to gain access to power vent window motor wire connector.
2. Disconnect power vent window motor wire connector from body harness.
3. Using two jumper wires, connect one to a battery (+) source and the other to a good ground (-).
4. Connect the Negative (-) jumper probe to one of the motor connector terminals.
5. Momentarily touch the Positive (+) jumper probe to the other motor connector terminal.
When positive probe is connected the motor should rotate in one direction to either move window open or closed. If window is all the way open or closed the motor will grunt and the crank system will flex when actuated in that one direction.
Reverse jumper probes at the motor connector terminals and window should now move in opposite direction. If window does not move or grunt, replace the motor.
If window moved completely open or closed, reverse the jumper probes and cycle window to the opposite position to verify full operation.
If motor grunts and does not move, verify that crank system is not binding.