Circuit Description
WARNING: This page is about a different car, the 2003 Toyota Sequoia. However, it is still accessible from the selected car via links, so may be relevant.
Power window master switch circuit can be checked using DTC check. (Refer to DTC B1221/21 POWER WINDOW SWITCH CIRCUIT ON DRIVER DOOR, DTC B1222/22 DOOR LOCK SWITCH CIRCUIT ON DRIVER DOOR, DTC B1223/23 POWER WINDOW SWITCH CIRCUIT ON PASSENGER DOOR, DTC B1224/24 DOOR LOCK SWITCH CIRCUIT ON PASSENGER DOOR )