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.

OK

END (AUDIO SETTINGS ARE DEFECTIVE)

NG

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.

OK

END (AUDIO SETTINGS ARE DEFECTIVE)

NG

PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE

    Parts Location

    Portable Player cannot be Connected Manually/Automatically

    See More:

    Toyota Tundra Service Manual > Blind Spot Monitor System: Destination Information Undefined (C1AB8)
    DESCRIPTION This DTC is stored when correct destination information is not sent from the main body ECU (multiplex network body ECU) and destination information cannot be confirmed after a blind spot monitor sensor has been replaced. DTC No. DTC Detection Condition Trouble Area C1AB8 The blind spot m ...

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