Audio And Visual System (W/O Multi-Display) Poor Sound Quality In All Modes (Low Volume)

Audio Visual Telematics. Corolla. Zre142 Aze141
Audio Video. Corolla. Zre142 Aze141

INSPECTION PROCEDURE

CHECK AUDIO SETTINGS

COMPARE WITH ANOTHER VEHICLE OF SAME MODEL

AUDIO AND VISUAL SYSTEM (w/o Multi-display) - Poor Sound Quality in All Modes (Low Volume)


INSPECTION PROCEDURE

1.CHECK AUDIO SETTINGS

  1. Set bass, mid-range and treble to the initial values and check that sound is normal.

    OK:
    Malfunction disappears.


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 RM0000012A80DHX.html)
OK

END