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

Toyota Tacoma (2015-2018) Service Manual / Engine Immobiliser / Engine Immobiliser System(w/ Smart Key System) / Diagnostic Trouble Code Chart

DIAGNOSTIC TROUBLE CODE CHART

HINT:

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

Certification ECU (Smart Key ECU Assembly)

DTC Code	Detection Item	See page
B2784	Antenna Coil Open / Short
B278A	Short to GND in Immobiliser System Power Source Circuit
B278D	Malfunction of ID-BOX Recognition

ECM

DTC Code	Detection Item	See page
B279986	Engine Immobiliser System Signal (Some Circuit Quantity, Reported via Serial Data) Invalid
B279A12	Engine Immobiliser System Circuit Short to Battery
B279C95	Engine Immobiliser System Incorrect Assembly

Data List / Active Test

DATA LIST / ACTIVE TEST 1. DATA LIST NOTICE: In the table below, the values listed under "Normal Condition" are reference values. Do not depend solely on these reference values when dec ...

Engine Immobiliser System Incorrect Assembly (B279C95)

DESCRIPTION This code is stored when an ECM that is incompatible with the engine immobiliser system is installed to the vehicle. DTC Code DTC Detection Condition T ...

Other materials:

Stop Light Switch
Components COMPONENTS ILLUSTRATION Inspection INSPECTION PROCEDURE 1. INSPECT STOP LIGHT SWITCH (a) Check the resistance. (1) Measure the resistance using an ohmmeter, and check the results in accordance with the value(s) in the table below. Standard: Tester Connectio ...

Short to GND in Outer Mirror Indicator(Master) (C1AB2)
DESCRIPTION This DTC is stored when the blind spot monitor sensor LH detects a ground short in the blind spot monitor indicator LH. DTC Code DTC Detection Condition Trouble Area C1AB2 With the blind spot monitor main switch assembly (w ...

System Diagram
SYSTEM DIAGRAM Communication Table Sender Receiver Signal Line *1: for Vacuum Brake Booster *2: for Hydraulic Brake Booster Millimeter Wave Radar Sensor Assembly Forward Recognition Camera ...