Toyota Tacoma manuals

Toyota Tacoma (2015-2018) Service Manual: 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:

Microphone Circuit between Microphone and Radio Receiver
DESCRIPTION The radio and display receiver assembly and telephone microphone assembly are connected to each other using the microphone connection detection signal lines. Using this circuit, the radio and display receiver assembly sends power to the telephone microphone assembly, and the teleph ...

Installation
INSTALLATION PROCEDURE 1. INSTALL EXHAUST MANIFOLD SUB-ASSEMBLY LH (a) Install a new gasket to the cylinder head LH. NOTICE: Be careful of the installation direction. (b) Temporarily install the exhaust manifold sub-assembly LH with the 4 nuts. (c) Tighten the 4 nuts in the sequenc ...

Installation
INSTALLATION PROCEDURE 1. INSTALL REAR ENGINE OIL SEAL (a) Apply MP grease to the lip of a new rear engine oil seal. NOTICE: Keep the lip free of foreign matter. (b) Using SST, tap in a new rear engine oil seal until its surface is flush with the rear engine oil seal retainer ed ...

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