Front Power Window Motor Inspection

Remove the front door trim panel.
(Refer to "FRONT DOOR TRIM ")
Disconnect the connector from the motor.

Fig 1: Front Power Window Motor Connector Terminals
Courtesy of HYUNDAI MOTOR AMERICA
Connect the terminal No. 2 and No. 3 to battery voltage (12V) and terminal No. 4 to battery (-). And then check that the motor operates smoothly when connecting the terminals below.
If the operation is abnormal, replace the motor.