Control Unit Input
The control unit only controls the driver's door window. To test the unit, keep the driver's switch connector connected with the door wire harness. Recheck the connections between the 4-P and 6-P connectors, and the control unit, then replace the control unit if all input tests prove OK.
Remove the driver's door trim panel and disconnect the 4-P and 6-P connectors from the control unit. See Fig 1 . Make sure the following input tests at the harness pins.