Front Power Window Motor

Remove (-) negative battery terminal.
Remove the front door trim.
(Refer to the "FRONT DOOR ")
Disconnect the connector from the motor.

Fig 1: Identifying Front Power Window Motor Connector Terminals
Courtesy of KIA MOTORS AMERICA, INC.
Connect the motor terminals directly to a 12 volt battery 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 Terminal Connection Rarefying Chart
Courtesy of KIA MOTORS AMERICA, INC.