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 > Air Conditioning System(for Automatic Air Conditioning System): Actuator Check
ACTUATOR CHECK 1. ACTUATOR CHECK (a) Turn the ignition switch ON while pressing the A/C control AUTO switch and Recirculation / Fresh switch simultaneously. (b) Press the Recirculation / Fresh switch. (c) As each damper, motor and relay automatically operate the actuator check at 1 second intervals ...

Toyota Tundra Owners Manual