Sound Quality Is Bad Only When CD Is Played (Volume Is Too Low)

AUDIO / VIDEO: AUDIO AND VISUAL SYSTEM (w/o Multi-display): Sound Quality is Bad Only when CD is Played (Volume is Too Low); 2013 MY Corolla [07/2012 -]
- Sound Quality is Bad Only when CD is Played (Volume is Too Low)

INSPECTION PROCEDURE

PROCEDURE

1. REPLACE CD AND RECHECK

(a) Replace the CD with a known good one and check that the malfunction disappears.

OK:

Malfunction disappears.

NG -- REPLACE RADIO RECEIVER ASSEMBLY Removal

OK -- END