Toyota Tundra Service Manual: Screen Flicker or Color Distortion

PROCEDURE

1.	CHECK DISPLAY SETTING

(a) Reset the display settings (contrast and brightness) and check that the screen appears normal.

OK:

The display returns to normal.

END

PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE

Toyota Tundra Service Manual > Audio And Visual System: Vehicle Speed Signal Circuit between Radio Receiver and Combination Meter
DESCRIPTION Audio function: This circuit is necessary for the automatic sound levelizer (ASL) built into the radio and display receiver assembly. ASL function: Speed signals are received from the combination meter assembly and used for the ASL. The ASL function automatically adjusts the sound volume ...

Toyota Tundra Owners Manual