Toyota Tundra Service Manual: Sound Quality is Bad Only when Disc is Played (Volume is Too Low)

Toyota Tundra Service Manual / Audio, Visual, Telematics / Navigation / Multi Info Display / Navigation System / Sound Quality is Bad Only when Disc is Played (Volume is Too Low)

PROCEDURE

1.

REPLACE DISC WITH ANOTHER AND RECHECK

(a) Replace the disc with a known good one and check that the malfunction disappears.

OK:

Malfunction disappears.

Result

Result

Proceed to

OK

A

NG (for Column Shift Type)

B

NG (for Floor Shift Type)

C
A

END (DISC IS DEFECTIVE)
B

REPLACE NAVIGATION RECEIVER ASSEMBLY

C

REPLACE NAVIGATION RECEIVER ASSEMBLY

    Sound of Portable Player cannot be Heard from Speakers or Sound is Low

    Sound Signal Circuit between Navigation Receiver Assembly and Stereo Component Amplifier

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