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Home >> Lexus >> 2004 >> GS 430 >> Repair and Diagnosis >> Body & Frame >> Door Locks >> Driver Door Control System >> Circuit Inspection >> Power window master switch circuit >> Inspection Procedure

Inspection Procedure

  1. 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  ) 
    1. OK: Proceed to next circuit inspection shown on problem symptom table. (See  PROBLEM SYMPTOMS TABLE  ,  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: Go to next step. 

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

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