No Sound can be Heard from Speakers: Procedure

CHECK AUDIO SETTING
1. Enter the sound adjustment screen by pressing the "SOUND" switch on the AUDIO display.
  
  Fig 1: View Of Audio Setting Display
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Set the volume, fader, and balance to the initial values and check that sound is normal.
  OK
  
  Audio system returns to normal.
  
  HINT:
  
  Sound quality adjustment items vary depending on the type of amplifier.
NG → See step 2

OK → END
PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE. Refer to PROBLEM SYMPTOMS TABLE