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 > Audio And Visual System(for Hv Model): Parking Brake Switch Circuit
DESCRIPTION This circuit is from the parking brake ECU (brake actuator assembly) to the radio and display receiver assembly. WIRING DIAGRAM PROCEDURE 1. CHECK BRAKE WARNING LIGHT (a) Check that the brake warning light comes on when the parking brake is applied and goes off when it is released. OK: T ...

Toyota Avalon (XX50) 2019-2022 Owners Manual