Pic. 7.88. Power Window Motor Test Diagram
If the operation of the power window motor is different from what is shown in the table, replace the wiper motor.
Apply voltage from the positive battery terminal to terminal D of the power window motor, terminal C connect to ground.
With the power window motor running, measure the voltage at terminals A and B.
If there is a problem, replace the power window motor.
Voltage. Impulse: max. – 12V, min. – 0V.