Nissan Altima (L32) 2007-2012 Service Manual ≻ Power window control system lh&rh front anti-pinch-coupe ≻ Component diagnosis ≻ Power supply and ground circuit Nissan Altima (L32) 2007-2012 Service Manual: Power supply and ground circuit Power window main switchPassenger side Component diagnosis ... Power window main switch Description • BCM supplies power. • It operates each power window motor via corresponding power window switch and makes window move up/ down when main power window and door lock/unlock swi ...