IMMOBILISER SYSTEM, Diagnostic DTC:B279C

DTC Code DTC Name
B279C Theft Deterrent System Presence Detection

DESCRIPTION

If a 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 A 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
B279C -

CAUTION / NOTICE / HINT

Note

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

PROCEDURE


  1. REPLACE ECM


    1. Replace the ECM with a new one.

      Click here

      Result
      Proceed to
      NEXT

    NEXT

  2. CLEAR DTC


    1. Clear the DTCs.


      Powertrain > Engine > Clear DTCs
      Result
      Proceed to
      NEXT

    NEXT

  3. CHECK FOR DTC


    1. 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

    END (ECM WAS DEFECTIVE)

    B

    USE SIMULATION METHOD TO CHECK Click here