Toyota 4Runner: Illumination for Panel Switch does not Come on with Tail Switch ON

Toyota 4Runner Service Manual / Audio / Visual / Telematics / Audio / Video / Audio And Visual System / 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 (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:

This display is updated once per second. As a result, 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

Radio Broadcast cannot be Received or Poor Reception

PROCEDURE 1. CHECK RADIO AND DISPLAY RECEIVER ASSEMBLY (a) Check the radio automatic station search function. (1) Check the radio automatic station search function b ...

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 adj ...

Other materials about Toyota 4Runner:

On-vehicle Inspection
ON-VEHICLE INSPECTION PROCEDURE 1. CHECK LOWER NO. 1 INSTRUMENT PANEL AIRBAG ASSEMBLY (VEHICLE NOT INVOLVED IN COLLISION) (a) Perform a diagnostic system check (See page ). (b) With the lower No. 1 instrument panel airbag installed on the vehicle, perf ...

Removal
REMOVAL PROCEDURE 1. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL CAUTION: Wait at least 90 seconds after disconnecting the cable from the negative (-) battery terminal to disable the SRS system. NOTICE: When disconnecting the cable, some systems ne ...