Front Power Window Motor

Remove (-) negative battery terminal.
Remove the front door trim.
(For Coupe, refer to FRONT DOOR . For Sedan, refer to FRONT DOOR .)
Disconnect the connector from the motor.

Fig 1: Identifying Front Power Window Motor Terminals
Courtesy of KIA MOTORS AMERICA, INC.
Connect the motor terminals directly to battery voltage (12V) and check that the motor operates smoothly. Next, reverse the polarity and check that the motor operates smoothly in the reverse direction. If the operation is abnormal, replace the motor.

Fig 2: Front Power Window Motor Battery Connection Chart
Courtesy of KIA MOTORS AMERICA, INC.