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:

Test Mode Procedure
TEST MODE PROCEDURE 1. PERFORM SIGNAL CHECK HINT: When entering signal check mode, the tire pressure warning ECU stores all the signal check DTCs first. After completing the signal check for each inspection item, the DTCs for systems that ar ...

Adjustment
ADJUSTMENT PROCEDURE 1. VEHICLE PREPARATION FOR FOG LIGHT AIM ADJUSTMENT (a) Prepare the vehicle: Make sure that the vehicle has no damage or deformation around the headlights. Fill the fuel tank. Make sure that all of the different types ...