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Home >> Lexus >> 2002 >> GS 430 >> Repair and Diagnosis >> External Pages >> Different car >> Section 175 (Passenger Door Control System) >> Circuit Inspection >> Power window switch circuit >> Inspection Procedure

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.
  1. Check the power window 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  ) 
    1. OK: Proceed to next circuit inspection shown on problem symptoms table. (See  PROBLEM SYMPTOMS TABLE  ) 
    2. OK: Go to Next Step 
  2. Check the power window switch. (See  INSPECTION  ) 
    1. NG: Replace the power window switch. 
    2. OK: Go to Next Step 
  3. Check wire harness and connector between power window switch and passenger door ECU. 
    1. NG: Repair or replace wire harness or connector. 
    2. OK: Go to Next Step 
  4. Check wire harness and connector between power window switch and power window master switch. 
    1. NG: Repair or replace wire harness or connector. 
    2. OK: Go to next step. 

      Proceed to next circuit inspection shown on problem symptoms table. (See  PROBLEM SYMPTOMS TABLE  ) 

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