Toyota Avalon (XX50) 2019-2022 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 (XX50) 2019-2022 Service & Repair Manual > Front Power Seat Control System(for Gasoline Model With Memory): Diagnosis System
DIAGNOSIS SYSTEM DESCRIPTION (a) Front power seat control system (w/ Memory) data and Diagnostic Trouble Codes (DTCs) can be read through the Data Link Connector 3 (DLC3) of the vehicle. When the system seems to be malfunctioning, use the Techstream to check for malfunctions and perform repairs. CHE ...

Toyota Avalon (XX50) 2019-2022 Owners Manual