Windows, door look dont work

4runner 1990, 4W SRS5 171000 mileage motor 3.0, my door control switch dont work, and all individual control from each door dont work, i check all fuses and all fuses is in good condition, i chek the electrical power in the driver door and i dont have voltaje in the connector, then i plug out and plug in the device that say "door control", and dont work, what can i do to resolve this problem. i need to check another device like relay or switch break.