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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: Go to step   5 . 
    2. NO: Go to Next Step 
  2. Check RADIO No. 2 fuse is OK? 
    1. NG: Replace fuse. 
    2. OK: Go to next step. 
  3. Is power supplied to ACC terminal of stereo component amplifier? 
    1. NO:ACC wire harness faulty. 
    2. YES: Go to Next Step 
  4. Is power supplied to ACC terminal of radio receiver assembly? 
    1. NO: Stereo component amplifier faulty. 
    2. YES:Go to next step. 

    Radio receiver assembly faulty. 

  5. Is power supplied to ACC terminal of CD auto changer? 
    1. NO:Radio receiver assembly faulty. 
    2. YES: CD auto changer faulty. 
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