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Inspection Procedure

WARNING: This page is about a different car, the 2004 Lexus IS 300. However, it is still accessible from the selected car via links, so may be relevant.
  1. Check the door lock control switch circuit using DTC check. (see CIRCUIT INSPECTION )
    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 door lock control switch (See INSPECTION ).
    1. NG: Replace the door lock control switch. 
    2. OK: Go to next step. 
  3. Check wire harness and connector between door lock control 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 door lock control 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  )