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Inspection Procedure

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