IMMOBILISER SYSTEM(w/o 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 stores this DTC.

DTC No. Detection Item DTC Detection Condition Trouble Area Note
B279C Theft Deterrent System Presence Detection An ECM that is incompatible with immobiliser system is installed. ECM

    DTC Output Confirmation Operation:

  • Check for DTCs.
B279C95 Engine Immobiliser System Incorrect Assembly An ECM that is incompatible with immobiliser system is installed. ECM

    DTC Output Confirmation Operation:

  • Check for DTCs.
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 3ZR-FAE

*2: for 8NR-FTS

CAUTION / NOTICE / HINT

Note


  • If the ECM is replaced, refer to Service Bulletin.

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

PROCEDURE


  1. CLEAR DTC


    1. Clear the DTCs.


      1. for 8NR-FTS:


        Powertrain > Engine > Clear DTCs

      2. for 3ZR-FAE:


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

    NEXT

  2. CHECK FOR DTC


    1. Start the engine.

    2. Check for DTCs.


      1. for 8NR-FTS:


        Powertrain > Engine > Trouble Codes

      2. for 3ZR-FAE:


        Powertrain > Engine and ECT > Trouble Codes

      Tech Tips

      Before checking for DTCs, perform the "DTC Output Confirmation Operation" procedure.

      OK
      DTC B279C*1 or B279C95*2 is not output.
      Result
      Result Proceed to
      DTC B279C*1 or B279C95*2 is not output A
      DTC B279C*1 or B279C95*2 is output B

      *1: for 3ZR-FAE

      *2: for 8NR-FTS


    A

    USE SIMULATION METHOD TO CHECK Click here

    B

  3. REPLACE CURRENT ECM WITH PROPER ECM


    1. Replace the current ECM with the proper ECM.

      for 3ZR-FAE: Click here

      for 8NR-FTS: Click here

      Result
      Proceed to
      NEXT

    NEXT

    END