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Home >> Lexus >> 2012 >> IS 250 Base, RWD, Standard >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Infotainment >> Audio Entertainment System (W/O Navigation) (Multi-Display) (Diagnostic Codes & Symptom Tests) >> AUDIO AND VISUAL SYSTEM (w/o Navigation System with Multi-display) >> Symptom Tests >> Sound Quality is Bad Only when Disc is Played (Volume is Too Low) >> Procedure
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Sound Quality is Bad Only when Disc is Played (Volume is Too Low): Procedure

  1. REPLACE DISC AND RECHECK 
    1. Replace the disc with a known good one and recheck.
      1. Check if the same trouble occurs again.

        OK

        Malfunction disappears.

    NG → See step   2 

    OK → END 

  2. REPLACE RADIO RECEIVER ASSEMBLY. Refer to  REMOVAL