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 > Vehicle Stability Control System: Stop Light Control Relay Malfunction (C1380)
DESCRIPTION When the skid control ECU (brake actuator assembly) applies the brakes after receiving a brake request signal from the trailer sway control, the skid control ECU (brake actuator assembly) operates the stop light switch assembly to illuminate the stop lights. DTC No. Detection Item DTC De ...

Toyota Tundra Owners Manual