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 > A760e Automatic Transmission / Transaxle: Torque Converter Clutch And Drive Plate
InspectionINSPECTION PROCEDURE 1. INSPECT TORQUE CONVERTER CLUTCH ASSEMBLY (a) Inspect the 1-way clutch. (1) Install SST to the inner race of the 1-way clutch. SST: 09350-32014 09351-32020 (2) Press on the serrations of the stator with a finger and rotate it. Check that the stator rotates smoothly ...

Toyota Tundra Owners Manual