Inspection Procedure
WARNING: This page is about a different car, the 2004 Lexus GS 430 and 2004 Lexus GS 300. However, it is still accessible from the selected car via links, so may be relevant.
- Check the power window master switch circuit using DTC check. (See
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, DTC B1225/25 POWER WINDOW SWITCH CIRCUIT ON REAR RIGHT DOOR, DTC B1226/26 POWER WINDOW SWITCH CIRCUIT ON REAR LEFT DOOR, DTC B1241/41 BODY NO. 1 ECU SWITCH CIRCUIT DIAGNOSIS, DTC B1252/52 BODY NO. 2 ECU SWITCH CIRCUIT DIAGNOSIS
)
- OK: Proceed to next circuit inspection shown on problem symptom table. (See PROBLEM SYMPTOMS TABLE , PROBLEM SYMPTOMS TABLE )
- OK: Go to Next Step
- Check the power window master switch. (See
INSPECTION
-->)
- NG: Replace the power window master switch.
- OK: Go to Next Step
- Check wire harness and connector between power window master switch and driver door ECU.
- NG: Repair or replace wire harness or connector.
- OK: Go to next step.
Proceed to next circuit inspection shown on problem symptom table. (See PROBLEM SYMPTOMS TABLE , PROBLEM SYMPTOMS TABLE )