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 > Front Power Seat Control System(w/ Memory): Slide Sensor Malfunction (B2650)
DESCRIPTION When the position control ECU and switch assembly does not receive a sensor signal despite forward or rearward movement of the seat by power seat motor operation, this DTC is stored. DTC Code DTC Detection Condition Trouble Area B2650 The forward and rearward lock detection position of t ...

Toyota Tundra Owners Manual