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Home >> Lexus >> 2005 >> IS 300 Base, Standard >> Repair and Diagnosis >> Body & Frame >> Door Locks >> Body Control System - Diagnostics >> Circuit Inspection >> Key Unlock Warning Switch Circuit >> Inspection Procedure
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Inspection Procedure

  1. Check key unlock warning switch (See  INSPECTION  ). 

    NG: Replace the key unlock warning switch. 

    OK: Go to next step 

  2. Check wire harness and connector between key unlock warning switch and Body ECU. 

    NG: Repair or replace wire harness or connector. 

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