Rear Power Window Motor

Disconnect the negative (-) battery terminal.
Remove the rear door trim.
(Refer to Body - "REAR DOOR TRIM ")
Disconnect the motor connector from the motor.

Fig 1: Locating Rear Power Window Motor Connector Terminals
Courtesy of KIA MOTORS AMERICA, INC.
Connect the terminals No. 2 and No. 3 to battery voltage (12V) and check that the motor operates smoothly when connecting the terminals below.
[Safety window motor]

Fig 2: Safety Window Motor Terminal Position Chart
Courtesy of KIA MOTORS AMERICA, INC.
Connect the motor terminals No. 1 and No. 2 directly to battery voltage (12V) and check that the motor operates smoothly. If the operation is abnormal, replace the motor.
[Standard window motor]

Fig 3: Standard Window Motor Terminal Position Chart
Courtesy of KIA MOTORS AMERICA, INC.