Assist/Rear Power Window Switch

Disconnect the negative (-) battery terminal.
Remove the door trim panel. (Refer to the Body group - DOOR )
Disconnect the 7P connector from the switch.

Fig 1: Identifying 7P Connector From Switch
Courtesy of HYUNDAI MOTOR CO.
Check for continuity between the terminals in each switch position according to the table. If the continuity condition is not normal, replace the switch.

Fig 2: Continuity Reference Chart
Courtesy of HYUNDAI MOTOR CO.