Toyota Tacoma (2015-2018) Service Manual: Illumination for Panel Switch does not Come on with Tail Switch ON

Toyota Tacoma (2015-2018) Service Manual / 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) Display the "Display" screen. (b) Turn the light control switch to the tail or head position. (c) Check if &q ...

Other materials:

Terminals Of Ecu
TERMINALS OF ECU 1. CHECK DRIVER SIDE JUNCTION BLOCK AND MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) (a) Disconnect the MB main body ECU (multiplex network body ECU) connectors. (b) Measure the voltage and resistance according to the value(s) in the table below. HINT: Measure the values on ...

Inspection
INSPECTION PROCEDURE 1. INSPECT COUNTER GEAR (a) Using a dial indicator and 2 V-blocks, measure the counter gear runout. Maximum runout: 0.03 mm (0.00118 in.) If the runout is more than the maximum, replace the counter gear. HINT: Measure the 3 areas shown in the illust ...

Installation
INSTALLATION PROCEDURE 1. INSTALL INTAKE MANIFOLD (a) Set 2 new No. 1 intake manifold to head gaskets on cylinder head sub-assembly and cylinder head LH as shown in the illustration. NOTICE: Align the port holes of the gasket and cylinder head sub-assembly ...