Assist Power Window Switch Inspection

Disconnect the negative (-) battery terminal.
Remove the front door trim. (Refer to the "Front Door ")
Disconnect the 10P connector from the switch.

Fig 1: Identifying Assist Power Window Switch Connector Terminals
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: Assist Power Window Switch Connectivity Chart
Courtesy of HYUNDAI MOTOR CO.