1) Check that the switch and door glass move smoothly when the power window switch is operated.
1) Inspect for continuity between the connector terminals using a DMM when the driver power window switch is operated.

| Switch operation |
Terminal No. |
Continuity |
| UP |
2-3 4-5 |
Yes |
| OFF |
1-2 4-5 |
|
| DOWN |
1-2 3-5 |