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

DTC Code DTC Name
B279C Theft Deterrent System Presence Detection

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.
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 -

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.


      Powertrain > Engine > Clear DTCs
      Result
      Proceed to
      NEXT

    NEXT

  2. CHECK FOR DTC


    1. Perform "DTC Output Confirmation Operation" procedure.

    2. Check for DTCs.


      Powertrain > Engine > Trouble Codes
      OK
      DTC B279C is not output.
      Result
      Result Proceed to
      DTC B279C is not output A
      DTC B279C is output B

    A

    USE SIMULATION METHOD TO CHECK Click here

    B

  3. REPLACE ECM


    1. Temporarily replace the ECM with a new one.

      for 1AR-FE: Click here

      for 2GR-FE: Click here

      Result
      Proceed to
      NEXT

    NEXT

    END