IMMOBILISER SYSTEM(w/ Entry and Start System), Diagnostic DTC:B279C, B279C95

DTC Code DTC Name
B279C Theft Deterrent System Presence Detection
B279C95 Engine Immobiliser System Incorrect Assembly

DESCRIPTION

If an ECM that is incompatible with the immobiliser system is installed, the ECM will store this DTC.

DTC No. Detection Item DTC Detection Condition Trouble Area Note
B279C Theft Deterrent System Presence Detection An ECM that is incompatible with the immobiliser system is installed. (1-trip detection logic*) ECM -
B279C95 Engine Immobiliser System Incorrect Assembly An ECM that is incompatible with the immobiliser system is installed. (1-trip detection logic*) ECM -

Vehicle Condition and Fail-safe Function when Malfunction Detected
Vehicle Condition when Malfunction Detected Fail-safe Function when Malfunction Detected
Engine cannot be started -
Related Data List and Active Test
DTC No. Data List and Active Test

  • B279C95*1

  • B279C*2

 -

CAUTION / NOTICE / HINT

Note


  • When using the GTS with the engine switch off, connect the GTS to the DLC3 and turn a courtesy light switch on and off at intervals of 1.5 seconds or less until communication between the GTS and the vehicle begins. Then select the vehicle type under manual mode and enter the following menus: Body Electrical / Entry&Start(CAN). While using the GTS, periodically turn a courtesy light switch on and off at intervals of 1.5 seconds or less to maintain communication between the GTS and the vehicle.

  • Before replacing the ECM, refer to Service Bulletin.

  • After performing repairs, confirm that no DTCs are output by performing "DTC Output Confirmation Operation".

PROCEDURE


  1. CLEAR DTC


    1. for 8NR-FTS


      1. Clear the DTCs.

        Click here


        Powertrain > Engine > Clear DTCs

    2. for 3ZR-FAE


      1. Clear the DTCs.

        Click here


        Powertrain > Engine and ECT > Clear DTCs
      Result
      Proceed to
      NEXT

    NEXT

  2. CHECK FOR DTC


    1. for 8NR-FTS


      1. Check for DTCs.

        Click here


        Powertrain > Engine > Trouble Codes
        OK
        B279C95 is not output.

    2. for 3ZR-FAE


      1. Check for DTCs.

        Click here


        Powertrain > Engine and ECT > Trouble Codes
        OK
        B279C is not output.
      Result
      Proceed to
      OK
      NG

    OK

    USE SIMULATION METHOD TO CHECK Click here

    NG

  3. REPLACE CURRENT ECM WITH PROPER ECM


    1. Replace the current ECM with a proper ECM.


      Result
      Proceed to
      NEXT

    NEXT

    END