Toyota Tacoma 2015-2018 Service Manual: Diagnostic Trouble Code Chart

Toyota Tacoma 2015-2018 Service Manual / Lighting / Lighting System / Diagnostic Trouble Code Chart

DIAGNOSTIC TROUBLE CODE CHART

HINT:

If a trouble code is displayed during the DTC check, inspect the trouble areas listed for that code. For details of the code, refer to the "See page" below.

Lighting system

DTC Code	Detection Item	See page
B1244	Light Sensor Circuit Malfunction
B124B	Automatic High Beam System
B124C	Automatic High Beam Camera
U023A	Lost Communication With Image Processing Module "A"

Data List / Active Test

DATA LIST / ACTIVE TEST 1. DATA LIST HINT: Using the Techstream to read the Data List allows values or states of switches, sensors, actuators and other items to be read without removing any parts ...

Automatic High Beam System (B124B)

DESCRIPTION The main body ECU (multiplex network body ECU) determines the status of the automatic high beam system based on the automatic high beam system signal from the forward recognition came ...

Other materials:

Precaution
PRECAUTION 1. INITIALIZATION NOTICE: If the ECM is replaced, register the ECU communication ID for Engine Immobiliser System (See page ). Perform Registration (VIN registration) when replacing the ECM (See page ). HINT: The engine learned value cannot be rese ...

Key information
The following keys are provided with the vehicle. Vehicles without engine immobilizer system Master keys Key number plate Vehicles with engine immobilizer system Master keys Key number plate ■Key number plate Keep the plate in a safe place such as your wallet, not in the v ...

Front Stabilizer Bar
Components COMPONENTS ILLUSTRATION Inspection INSPECTION PROCEDURE 1. INSPECT FRONT STABILIZER LINK ASSEMBLY (a) Flip the ball joint stud back and forth 5 times, as shown in the illustration, before installing the nut. (b) Using a torque wrench, turn the nut continuously at a rate ...