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:

Malfunction disappears.

HINT:

Sound quality adjustment measures vary according to the type of amplifier.

END

2.	COMPARE WITH ANOTHER VEHICLE OF SAME MODEL

(a) Compare with another vehicle of the same model which does not have trouble to see if there is any difference in the sound quality.

OK:

No difference is found.

END

PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE

Toyota Tundra Service Manual > Occupant Classification System: Occupant Classification ECU Malfunction (B1795)
DESCRIPTION DTC B1795 is set when a malfunction is detected in the occupant classification ECU. Troubleshoot DTC B1771 first when both DTCs B1771 and B1795 are present. DTC Code DTC Detection Condition Trouble Area B1795 Occupant classification ECU malfunction Occupant classification ECU HINT: When ...

Toyota Tundra Owners Manual