PROCEDURE
(a) Check that the display is not in screen off mode. OK: The display setting is not in screen off mode.
(a) Check that the screen color quality can be set. OK: Setting is possible.
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Toyota Tundra Service Manual > Navigation System: Noise Occurs
PROCEDURE 1. NOISE CONDITION (a) Check from which direction the noise comes (front left or right, or rear left or right). OK: The location of the noise source can be determined. NG GO TO STEP 3 OK 2. CHECK SPEAKERS (a) Check the installation conditions of the speaker units that are located near the ...