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:

Pressure Control Solenoid "G" Actuator Stuck Off (P28077F)
SYSTEM DESCRIPTION The ECM uses the vehicle speed signal and signals from the transmission revolution sensors (NT, SP2) to detect the actual gear (1st, 2nd, 3rd, 4th, 5th or 6th gear). The ECM compares the actual gear with the shift schedule in the ECM memory to detect mechanical problems of t ...

General Information
GENERAL INFORMATION A large number of ECU controlled systems are used in the TOYOTA TACOMA. In general, ECU controlled systems are considered to be very intricate, requiring a high level of technical knowledge to troubleshoot. However, most problem checking procedures only involv ...

Parking Brake Switch Circuit
DESCRIPTION This circuit is from the parking brake switch assembly to the radio and display receiver assembly. WIRING DIAGRAM PROCEDURE 1. CHECK VEHICLE SIGNAL (a) Display the "Vehicle Signal Check Mode" screen (See page ). ...