Toyota 4Runner: Panel Switches do not Function

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

REMOVE ANY FOREIGN MATTER FOUND

2.	CHECK PANEL SWITCH (OPERATION CHECK)

(a) Enter the "Panel & Steering Switch Check Mode" screen. Refer to Check Panel & Steering Switch in Operation Check (See page ).

(b) Operate the abnormal switch and check if the switch status is correctly displayed.

OK:

The switch status is correctly displayed as operated.

REPLACE RADIO AND DISPLAY RECEIVER ASSEMBLY

PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE

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 ...

Touch Panel Switch does not Function

PROCEDURE 1. CHECK MULTI-DISPLAY (a) Check if there is any foreign matter caught between the display and exterior frame of the multi-display. OK: No foreign matt ...

Other materials about Toyota 4Runner:

Disassembly
DISASSEMBLY CAUTION / NOTICE / HINT HINT: Use the same procedure for the RH and LH sides. The procedure listed below is for the LH side. PROCEDURE 1. REMOVE FRONT FENDER OUTSIDE MOULDING PAD LH (a) Remove the front fender outside moul ...

Installation
INSTALLATION PROCEDURE 1. INSTALL TRANSMISSION VALVE BODY ASSEMBLY (a) Install the spring and check ball body. (b) Insert the pin of the manual valve into the hole of the manual valve lever. Text in Illustration *1 ...