Toyota Tundra Service Manual: No Sound can be Heard from Speakers

PROCEDURE

1.	CHECK RADIO AND DISPLAY RECEIVER ASSEMBLY

(a) In sound output setting mode, set volume, fader and balance to the initial values and check that the sound is normal.

OK:

Audio and visual system returns to normal.

END (SETTINGS ARE DEFECTIVE)

PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE

Toyota Tundra Service Manual > Sfi System: A/F Sensor Slow Response - Rich to Lean Bank 1 Sensor 1 (P014C-P014F,P015A-P015D)
DESCRIPTION HINT: Refer to DTC P2195 (See page ). DTC No. DTC Detection Condition Trouble Area P014C The "Rich to Lean response rate deterioration level*" value is less than the standard. (2 trip detection logic) Air fuel ratio sensor (for bank 1 sensor 1) Air fuel ratio sensor (for bank 1 sensor 1) ...

Toyota Tundra Owners Manual