Circuit Description
WARNING: This page is about a different car, the 2005 Lexus GS 430 and 2005 Lexus GS 300. However, it is still accessible from the selected car via links, so may be relevant.
Power window switch circuit can be checked using DTC check. (Refer to DTC B1221/21, B1222/22, B1223/23, B1224/24, B1225/25, B1226/26, B1241/41, B1252/52: POWER WINDOW/DOOR LOCK SWITCH CIRCUIT ON DRIVER/PASSENGER DOOR, POWER WINDOW SWITCH CIRCUIT ON REAR RIGHT/REAR LEFT DOOR, BODY NO. 1/NO. 2 ECU SWITCH CIRCUIT DIAGNOSIS )