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:

Terminals Of Ecu
TERMINALS OF ECU 1. AIRBAG SENSOR ASSEMBLY Terminal No. Terminal Symbol Destination A21-1 P2+ Instrument panel passenger without door airbag assembly (Front passenger side squib 2nd step) A21-2 ...

Rear Speed Sensor RH Output Malfunction (C1415,C1416)
DESCRIPTION Refer to DTCs C1403 and C1404 (See page ). DTC No. Detection Item DTC Detection Condition Trouble Area C1415 Rear Speed Sensor RH Output Malfunction Any of the following is detected: An op ...

Removal
REMOVAL PROCEDURE 1. REMOVE LOWER INSTRUMENT PANEL FINISH PANEL SUB-ASSEMBLY RH (See page ) 2. REMOVE LOWER INSTRUMENT PANEL ASSEMBLY (See page ) 3. REMOVE AIR CONDITIONING CONTROL ASSEMBLY (a) for Automatic Air Conditioning System (See page ) (b) for Manual Air Conditioning System (Se ...