Navigation System (For Radio And Display Type) Sound Quality Is Bad Only When Disc Is Played (Volume Is Too Low)


INSPECTION PROCEDURE

REPLACE DISC WITH ANOTHER AND RECHECK

NAVIGATION SYSTEM (for Radio and Display Type) - Sound Quality is Bad Only when Disc is Played (Volume is Too Low)


INSPECTION PROCEDURE

1.REPLACE DISC WITH ANOTHER AND RECHECK
  1. Replace the disc with a known good one and check that the malfunction disappears.

    OK:
    Malfunction disappears.


NG
REPLACE RADIO AND DISPLAY RECEIVER ASSEMBLY (LandCruiser RM000003AHY02NX.html)
OK

END (DISC IS DEFECTIVE)