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Home >> Lexus >> 2002 >> GS 430 >> Repair and Diagnosis >> External Pages >> Different car >> Section 179 (LEXUS Navigation System) >> Circuit Inspection >> Any speaker does not work. >> Inspection Procedure

Inspection Procedure

WARNING: This page is about a different car, the 2004 Lexus GS 430 and 2004 Lexus GS 300. However, it is still accessible from the selected car via links, so may be relevant.
  1. Is radio operating normally? 
    1. Yes: CD auto changer faulty. 
    2. NO: Go to Next Step 
  2. Is hiss noise produced by non-functioning speaker? 
    1. YES: Radio receiver assembly faulty. Recheck system after repair. 
    2. NO: Go to Next Step 
  3. Does continuity exist in speaker sire harness? 
    1. NO: Speaker wire harness faulty. 
    2. YES: Go to Next Step 
  4. Temporarily install another speaker. Function OK? 
    1. YES: Speaker faulty. 
    2. NO: Go to next step. 

    Radio receiver assembly faulty. Recheck system after repair. 

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