Toyota Avalon Service & Repair Manual: Black Screen

PROCEDURE

1.	CHECK DISPLAY SETTING

(a) Check that the display is not in screen off mode.

OK:

The display setting is not in screen off mode.

CHANGE SCREEN TO SCREEN ON MODE

2.	CHECK IMAGE QUALITY SETTING

(a) Check that the screen color quality can be set.

OK:

Setting is possible.

SET SCREEN COLOR QUALITY TO NORMAL

PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE

Toyota Avalon Service & Repair Manual > Navigation System(for Gasoline Model): USB Audio System Recognition/Play Error
DESCRIPTION When a USB device or "iPod" is connected to the USB jack of the stereo jack adapter assembly, it must have playable files. The device must also communicate with and be recognized by the radio and display receiver assembly. This diagnostic procedure is for when a device is not recognized, ...

Toyota Avalon Owners Manual