Navigation System Poor Sound Quality In All Modes (Low Volume)

Audio Visual Telematics. Corolla. Zre142 Aze141
Navigation Multi Info Display. Corolla. Zre142 Aze141

INSPECTION PROCEDURE

CHECK AUDIO SETTINGS

COMPARE WITH ANOTHER VEHICLE OF SAME MODEL

NAVIGATION SYSTEM - Poor Sound Quality in All Modes (Low Volume)


INSPECTION PROCEDURE

1.CHECK AUDIO SETTINGS


    Corolla. Zre142 Aze141.Navigation Multi Info Display.Navigation System.Navigation System  Poor Sound Quality In All Modes (Low Volume)
  1. Display the "Sound Settings" screen.

  1. Set "Treble", "Mid" and "Bass" to the initial values and check that sound is normal.

    OK:
    Malfunction disappears.
    HINT:
    Sound quality adjustment measures vary according to the type of amplifier.
    Text in Illustration
    *a
    Example


NG
Go to step 2
OK

END

2.COMPARE WITH ANOTHER VEHICLE OF 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
PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE (COROLLA_ZRE142 RM0000011BR0H9X.html)
OK

END