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Inspection Procedure

WARNING: This page is about a different car, the 2003 Lexus LS 430. However, it is still accessible from the selected car via links, so may be relevant.
  1. Check rear sunshade switch (See  INSPECTION  ). 
    1. NG : Replace the rear sunshade switch. 
    2. OK : Go to next step. 
  2. Check rear sunshade relay (See  INSPECTION  ). 
    1. NG : Replace rear sunshade relay (See  HOW TO USE THE DIAGNOSTIC CHART AND INSPECTION PROCEDURE  ). 
    2. OK : Go to next step. 
  3. Check wire harness and connector between rear sunshade switch and rear sunshade relay, rear sunshade relay and passenger side J/B ECU (See  INSPECTION  ). 
    1. NG : Repair or replace wire harness or connector 
    2. OK : Proceed to next circuit inspection shown on problem symptoms table (See  PROBLEM SYMPTOMS TABLE  ). 
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