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 > Can Communication System: Millimeter Wave Radar Sensor Communication Stop Mode
DESCRIPTION Detection Item Symptom Trouble Area Millimeter Wave Radar Sensor Communication Stop Mode Any of the following conditions are met: Communication stop for "Front Radar" is indicated on the "Communication Bus Check" screen of the Techstream. Click here Communication system DTCs (DTCs that s ...

Toyota Tundra Owners Manual