Toyota Tacoma manuals

Toyota Tacoma 2015-2018 Service Manual: 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

1.

CLEAR DTC

(a) Clear the DTCs (See page ).

NEXT

2.

CHECK FOR DTC

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

OK:

DTC B279C95 is not output.

OK

USE SIMULATION METHOD TO CHECK

NG

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:

Data List / Active Test
DATA LIST / ACTIVE TEST NOTICE: In the table below, the values listed under "Normal Condition" are reference values. Do not depend solely on these reference values when deciding whether a part is faulty or not. HINT: Using the Techstream to read the Data List allows the values or s ...

Problem Symptoms Table
PROBLEM SYMPTOMS TABLE HINT: Use the table below to help determine the cause of problem symptoms. If multiple suspected areas are listed, the potential causes of the symptoms are listed in order of probability in the "Suspected Area" column of the table. Check each sy ...

Removal
REMOVAL PROCEDURE 1. DRAIN DIFFERENTIAL OIL 2. REMOVE PROPELLER WITH CENTER BEARING SHAFT ASSEMBLY (for 2WD) 3. REMOVE PROPELLER WITH CENTER BEARING SHAFT ASSEMBLY (for 4WD) 4. REMOVE REAR DRIVE PINION NUT (a) Using SST and a hammer, unstake the nut. SST: 09930-00010 (b) for BD20: ...

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