Toyota 4Runner: Black Screen

Toyota 4Runner Service Manual / Audio / Visual / Telematics / Navigation / Multi Info Display / Navigation System / 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

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DESCRIPTION This circuit sends an operation signal from the steering pad switch assembly to the navigation receiver assembly. If there is an open in the circuit, the audio system cannot be operate ...

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