Toyota Tundra Service Manual: Sound of Portable Player cannot be Heard from Speakers or Sound is Low

PROCEDURE

1.	CHECK PORTABLE PLAYER SETTINGS

(a) Check the portable player settings.

(1) Check that the volume is not set to "0".

(2) Check that the mute is off.

(b) Check that the sound of the portable player can be heard from the speakers.

OK:

Sound of the portable player can be heard from the speakers.

END

2.	CHECK AUDIO SETTINGS

(a) Check the audio settings.

(1) Check that the volume is not set to "0".

(b) Check that the sound of the portable player can be heard from the speakers.

OK:

Sound of the portable player can be heard from the speakers.

END

3.	CHECK USING ANOTHER "Bluetooth" AUDIO COMPATIBLE VEHICLE OF SAME MODEL

(a) Check that the sound of the portable player can be heard from the speakers on another "Bluetooth" audio compatible vehicle of the same model.

OK:

Sound of the portable player can be heard from the speakers.

PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE

MALFUNCTION IN PORTABLE PLAYER

Toyota Tundra Service Manual > Engine Immobiliser System (w/o Smart Key System): Transponder Chip Malfunction (B2793,B2794,B2797,B2798)
DESCRIPTION DTC B2793 is stored when a malfunction is found in the key during key ID code registration or a key ID code is not registered normally. Replace the key if key ID code registration cannot be performed normally and this DTC is output. DTC B2794 is stored when a key with an incomplete key I ...

Toyota Tundra Owners Manual