NAVIGATION SYSTEM(for HDD) Sound Quality is Bad Only when Disc is Played (Volume is Too Low)

DTC Code DTC Name
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.

    2. Check that the malfunction disappears.

    Result

    Proceed to

    Malfunction disappears

    Malfunction does not disappear

    Malfunction disappears

    END (CD IS DEFECTIVE)

    Malfunction does not disappear

    REPLACE NAVIGATION ECU SUB-ASSEMBLY