No Sound can be Heard from Speakers: Procedure

CHECK RADIO RECEIVER ASSEMBLY
1. Check the radio receiver assembly settings.
  1. Check that the volume is not set to "0".
  2. Check that mute is off.
    OK
    
    The volume is not set to "0" and mute is off.
NG → SET VOLUME TO HIGH AND TURN MUTE OFF

OK → See step 2
PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE. Refer to PROBLEM SYMPTOMS TABLE