Toyota Avalon Service & Repair Manual: Poor Sound Quality in All Modes (Low Volume)

PROCEDURE

1.	CHECK AUDIO SETTINGS

(a) Set treble, middle and bass to the initial values and check that the sound is normal.

OK:

The sound returns to normal.

HINT:

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

END

2.	COMPARE WITH ANOTHER VEHICLE OF SAME MODEL

(a) Compare with another vehicle of the same model which is not malfunctioning to see if there is any difference in the sound quality.

OK:

No difference is found.

END

PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE

Toyota Avalon Service & Repair Manual > Panoramic View Monitor System(for Gasoline Model): BSM Buzzer Sound Request Signal Malfunction (C2A5C)
DESCRIPTION This DTC is stored when the television camera assembly receives an invalid communication signal from the blind spot monitor sensor RH. DTC No. Detection Item DTC Detection Condition Trouble Area DTC Output from C2A5C BSM Buzzer Sound Request Signal Malfunction An invalid communication si ...

Toyota Avalon Owners Manual