Toyota Tundra Service Manual: Display does not Dim when Light Control Switch is Turned ON

Toyota Tundra Service Manual / Audio, Visual, Telematics / Audio / Video / Audio And Visual System / Display does not Dim when Light Control Switch is Turned ON

PROCEDURE

1.	CHECK IMAGE QUALITY SETTING

(a) Display the "Display" screen.

(b) Turn the light control switch to the tail or head position.

OK:

"Day Mode" setting is off

TURN "Day Mode" SETTING OFF

2.	CHECK VEHICLE SIGNAL (OPERATION CHECK)

(a) Enter the "Vehicle Signal Check Mode" screen. [Refer to Check Vehicle Signal in Operation Check (See page )]

(b) Check that the display for "TAIL" changes between ON and OFF according to the light control switch operation.

OK:

Light Control Switch	Display
Tail or head	ON
Off	OFF

HINT:

This display is updated once per second. As a result, it is normal for the display to lag behind the actual switch operation.

Result

Result	Proceed to
OK (for Column Shift Type)	A
OK (for Floor Shift Type)	B
NG	C

REPLACE RADIO AND DISPLAY RECEIVER ASSEMBLY

PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE

Disc cannot be Inserted or is Ejected Right After Insertion

Display Signal Circuit between Radio Receiver and Extension Module

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