Rear Power Window Motor

Remove the rear door trim panel. Refer to INTERIOR .
Disconnect the 2P connector from the motor.

Fig 1: Rear Power Window Motor & Terminal Identification
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: Testing Rear Power Window Motor
Courtesy of KIA MOTORS AMERICA, INC.