Toyota Tundra Service 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.

END (AUDIO SETTINGS ARE DEFECTIVE)

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 (AUDIO SETTINGS ARE DEFECTIVE)

PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE

Toyota Tundra Service Manual > Navigation System: Disc cannot be Inserted or is Ejected Right After Insertion
PROCEDURE 1. CHECK IF A PROPER DISC IS INSERTED (a) Make sure that the disc is an audio disc or a disc with an MP3, WMA or AAC file, and that it is not deformed, flawed, stained, deteriorated or otherwise defective. OK: Disc is normal. HINT: Translucent or uniquely-shaped CDs cannot be played. CDs w ...

Toyota Tundra Owners Manual