Toyota Tacoma (2015-2018) Service Manual: Engine Immobiliser System Incorrect Assembly (B279C95)

Toyota Tacoma (2015-2018) Service Manual / Engine Immobiliser / Engine Immobiliser System(w/ Smart Key System) / 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	Trouble Area	DTC Output Confirmation Operation
B279C95	An ECM that is incompatible with the engine immobiliser system is installed (1 trip detection logic*).	ECM	Check for DTCs.

*: Only output while a malfunction is present.

Vehicle Condition and Fail-safe Operation when Malfunction Detected

Vehicle Condition when Malfunction Detected	Fail-safe Operation when Malfunction Detected
Engine cannot be started	-

Related Data List and Active Test

DTC Code	Data List and Active Test
B279C95	-

PROCEDURE

CLEAR DTC

(a) Clear the DTCs (See page ).

2.	CHECK FOR DTC

(a) Check for DTCs (See page OK: ).

OK:

DTC B279C95 is not output.

USE SIMULATION METHOD TO CHECK

REPLACE ECM

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" bel ...

Antenna Coil Open / Short (B2784)

DESCRIPTION When an open or short circuit is detected in the transponder key amplifier coil built into the engine switch, the certification ECU (smart key ECU assembly) stores this DTC. This DTC ...

Other materials:

Inspection
INSPECTION PROCEDURE 1. INSPECT MAGNET STARTER SWITCH ASSEMBLY (a) Inspect the pull-in coil. (1) Measure the resistance according to the value(s) in the table below. Text in Illustration *a Terminal 50 *b ...

How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT HINT: Use this procedure to troubleshoot the seat heater system. *: Use the Techstream. PROCEDURE 1. VEHICLE BROUGHT TO WORKSHOP NEXT 2. ...

Installation
INSTALLATION CAUTION / NOTICE / HINT HINT: Use the same procedure for both the LH and RH sides. The procedure described below is for the LH side. PROCEDURE 1. INSTALL FOG LAMP ASSEMBLY (a) Engage the 2 guides to install the fog light assembly. (b) Install the screw. (c) Con ...