Toyota 4Runner: Display does not Dim when Light Control Switch is Turned ON

Toyota 4Runner 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) Turn the light control switch to the tail or head position.

(b) Check that the daytime screen setting on the display adjustment screen is set to on.

Result	Proceed to
Daytime screen setting is set to on.	A
Daytime screen setting is set to off.	B

CHANGE DAYTIME SCREEN SETTING TO 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 changes between ON and OFF according to the light control switch operation.

OK:

Light Control Switch	Display
Tail or head	ON
Off	OFF

HINT:

The display is updated once per second. It is normal for the display to lag behind the actual switch operation.

REPLACE RADIO AND DISPLAY RECEIVER ASSEMBLY

PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE

Illumination for Panel Switch does not Come on with Tail Switch ON

PROCEDURE 1. CHECK VEHICLE SIGNAL (OPERATION CHECK) (a) Enter the "Vehicle Signal Check Mode" screen. Refer to Check Vehicle Signal in Operation Check (Se ...

Panel Switches do not Function

PROCEDURE 1. CHECK PANEL SWITCH (a) Check for foreign matter around the switches that might prevent operation. OK: No foreign matter is found. NG ...

Other materials about Toyota 4Runner:

Personal Light(for Front Door)
Components COMPONENTS ILLUSTRATION Inspection INSPECTION PROCEDURE 1. INSPECT NO. 1 INTERIOR ILLUMINATION LIGHT ASSEMBLY (a) Apply battery voltage to the connector and check the LED illumination. OK: Measurement ...

Lost Communication with Gateway Module (Power Management2) (U1002)
DESCRIPTION The power management control ECU stores this DTC when no signals can be received from the ECUs that are memorized as those connected to the power management bus. When the power management control ECU receives a response signal f ...