Toyota Tundra Service Manual: Poor Sound Quality in All Modes (Low Volume)

Toyota Tundra Service Manual / Audio, Visual, Telematics / Audio / Video / Audio And Visual System / 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 > Climate Control Seat System: Terminals Of Ecu
    TERMINALS OF ECU 1. AIR CONDITIONING AMPLIFIER (a) Measure the voltage and resistance according to the value(s) in the table below. Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition J106-9 (SVDB) - Body ground R - Body ground Output climate control signal (Driver ...

    Toyota Tundra Owners Manual

    Toyota Tundra Service Manual

    © 2026 Copyright www.ttundra.com
    0.0325