Toyota Tundra Service Manual > Audio And Visual System: 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. OK END (AUDIO SETTINGS ARE DEFECTIVE) NG 2. COMPARE WITH ANOTHER VEHICLE OF SAME MODEL (a) Compare with another vehicle of the same model which ...
