Toyota Tacoma (2015-2018) Service Manual: Display does not Dim when Light Control Switch is Turned ON

Toyota Tacoma (2015-2018) Service Manual / Audio / Video / Audio And Visual System / 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.

OK:

"Day Mode" setting is off

TURN "Day Mode" SETTING OFF

2.	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:

The display is updated once per second. 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

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 (Se ...

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:

Reassembly
REASSEMBLY PROCEDURE 1. INSTALL REAR BUMPER SIDE STAY LH (a) Install the rear bumper side stay LH with the 2 bolts. Torque: 30 N·m {306 kgf·cm, 22 ft·lbf} 2. INSTALL REAR BUMPER SIDE STAY RH HINT: Use the same procedure as for ...

Dtc Check / Clear
DTC CHECK / CLEAR 1. START DIAGNOSTIC MODE HINT: Illustrations may differ from the actual vehicle screen depending on the device settings and options. Therefore, some detailed areas may not be shown exactly the same as on the actual vehicle screen. If the system cannot enter d ...

System Diagram
SYSTEM DIAGRAM Transmitting ECU (Transmitter) Receiving ECU Signal Communication Method 4 wheel drive control ECU Skid control ECU (Brake actuator assembly) High-Low actuator fail 4WD status ...