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 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.

HINT:

If the portable player volume can be adjusted, adjust the volume.

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 > Can Communication System: Lost Communication with Gateway Module (U1002)
DESCRIPTION The main body ECU (multiplex network body ECU) stores this DTC when no signals can be received from the ECUs that have been memorized as those connected to the sub bus 1. When the main body ECU (multiplex network body ECU) receives a response signal from the ECUs connected to the sub bus ...

Toyota Tundra Owners Manual