Poor Sound Quality in All Modes (Low Volume): Procedure

1. Enter the "Sound Settings" screen by pressing the "Sound" switch on the audio display.
   Fig 1: Checking Audio Settings Screen

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Set "Bass", "Mid" and "Treble" to the initial values and check that sound is normal.

   OK

   Malfunction disappears.

   HINT: 

   Sound quality adjustment measures vary according to the type of the amplifier.

   TEXT IN ILLUSTRATION
   
   

   *a

   Example

NG → See step   2 

OK → END 

1. Compare with another vehicle of the same model.
   1. Compare with another vehicle of the same model which does not have trouble to see if there is any difference in the sound quality.

      OK

      No difference is found.

NG → See step   3 

OK → END