All Power Windows Inoperative

Check for a blown fuse No. 36 (40-amp), No. 56 (7.5-amp) or No. 41 (20-amp) in underhood fuse/relay box. Check for malfunctioning power window relay in underhood relay box "B". Check for proper multiplex control unit input. Check for poor connection at ground connectors G401, G402 or G251. See WIRING DIAGRAMS  . Also check for open circuit in White/Green wire between underhood fuse/relay box and underdash fuse/relay box.