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

Toyota Tacoma (2015-2018) Service Manual / Navigation / Multi Info Display / Navigation 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 NAVIGATION 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) Display the "Display Settings" screen. (b) Turn the light control switch to the tail or head position. (c) Ch ...

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:

Front Occupant Classification Sensor LH Collision Detection (B1785)
DESCRIPTION DTC B1785 is set when the occupant detection ECU receives a collision detection signal, which is sent by the occupant classification sensor front LH when an accident occurs. DTC B1785 is also set when the front seat with adjuster frame assembly RH is subjected to a strong impact, ...

Wireless Charger Power Source Circuit
DESCRIPTION This is the power source circuit to operate the mobile wireless charger cradle assembly. WIRING DIAGRAM CAUTION / NOTICE / HINT NOTICE: Inspect the fuses for circuits related to this system before performing the following inspection procedure. PROCEDURE 1. ...

Ignition Hold Monitor Malfunction (B2271)
DESCRIPTION This DTC is stored when a malfunction in the IG circuit or IG hold circuit in the certification ECU (smart key ECU assembly) is detected. HINT: When the cable is disconnected and reconnected to the negative (-) battery terminal, the power source mode returns to the state it was in ...