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 > Power Window Control System(w/o Jam Protection Function): Driver Side Power Window Auto Down Function does not Operate
DESCRIPTION If the AUTO DOWN function does not operate, the cause may be one or more of the following: The master switch has a malfunction. The driver side motor has a malfunction. The wiring between the master switch and the driver side motor is open or shorted. WIRING DIAGRAM PROCEDURE 1. CHECK MA ...

Toyota Tundra Owners Manual