Toyota Tacoma manuals

Toyota Tacoma 2015-2018 Service Manual: Theft Deterrent System Presence Detection (B279C,B279C95)

DESCRIPTION

If an ECM that is incompatible with the engine immobiliser system is installed, the ECM stores this DTC.

DTC No.

DTC Detection Condition

Trouble Area

DTC Output Confirmation Operation

B279C*1

An ECM that is incompatible with engine immobiliser system is installed.

ECM

Check for DTCs.

B279C95*2

An ECM that is incompatible with engine immobiliser system is installed.

ECM

Check for DTCs.

  • *1: for 2TR-FE
  • *2: for 2GR-FKS
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 No.

Data List and Active Test

B279C*1

-

B279C95*2

-

  • *1: for 2TR-FE
  • *2: for 2GR-FKS

CAUTION / NOTICE / HINT

NOTICE:

  • If the ECM is replaced, refer to Registration (See page After repair, confirm that no DTCs are output by performing "DTC Output ).
  • After repair, confirm that no DTCs are output by performing "DTC Output Confirmation Operation".

PROCEDURE

1.

CLEAR DTC

(a) Clear the DTCs (See page ).

NEXT

2.

CHECK FOR DTC

(a) Perform "DTC Output Confirmation Operation" procedure.

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

OK:

DTC B279C*1 or B279C95*2 is not output.

  • *1: for 2TR-FE
  • *2: for 2GR-FKS
Result

Result

Proceed to

OK

A

NG (for 2TR-FE)

B

NG (for 2GR-FKS)

C

A

USE SIMULATION METHOD TO CHECK

B

REPLACE ECM

C

REPLACE ECM

Theft Deterrent System Communication Line High Fixation (B279A,B279A12)
DESCRIPTION If the communication line (EFIO-IMI) to the transponder key ECU assembly is stuck high (e.g. shorted to +B), the ECM stores this DTC. DTC No. DTC Detection Condit ...

Engine Immobiliser System Malfunction (B2799,B279986)
DESCRIPTION This DTC is stored when one of the following occurs: 1) the ECM detects errors in its own communication with the transponder key ECU assembly; 2) the ECM detects errors in the communi ...

Other materials:

Installation
INSTALLATION CAUTION / NOTICE / HINT CAUTION: Some of these service operations affect the SRS airbag system. Read the precautionary notices concerning the SRS airbag system before servicing (See page ). HINT: Use the same procedure for both the RH and LH sides. The procedure des ...

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

Installation
INSTALLATION PROCEDURE 1. INSTALL NO. 1 FUEL TANK PROTECTOR (a) Install the No. 1 fuel tank protector to the fuel tank assembly with the 4 clips. 2. INSTALL FUEL SUCTION TUBE SET GASKET Click here 3. INSTALL FUEL SUCTION TUBE WITH PUMP AND GAUGE ASSEMBLY Click here 4. INSTALL FUEL PUMP ...

В© 2011-2022 Copyright www.ttguide.net