Remove the power window main switch from the driver's door trim panel.
Check for continuity between the terminals.
Remove the assist power window switch from the assist door trim panel.
Check for continuity between the terminals.
If continuity is not as specified in the table, replace the power window switch.
Remove the rear power window switch from the rear door trim panel.
Check for continuity between the terminals.
If continuity is not as specified in the table, replace the power window switch.