ENGINE IMMOBILISER SYSTEM (w/ Smart Key System), Diagnostic DTC:B279C

DTC Code DTC Name
B279C Theft Deterrent System Presence Detection

DESCRIPTION

This code is stored when an ECM that is incompatible with the engine immobiliser system is installed to the vehicle.

DTC Code DTC Detection Condition Trouble Area DTC Output Confirmation Operation
B279C An ECM that is incompatible with the engine immobiliser system is installed (1 trip detection logic*). ECM 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 Code Data List and Active Test
B279C -

INSPECTION PROCEDURE

PROCEDURE


  1. REPLACE ECM


    1. Temporarily replace the ECM with a new one Click here for 2GR-FE, Click here for 2AR-FE).


    NEXT

  2. REGISTER ECU COMMUNICATION ID


    1. Register the ECU communication ID Click here.


    NEXT

  3. CLEAR DTC


    1. Clear the DTCs Click here.


    NEXT

  4. CHECK FOR DTC


    1. Check for DTCs Click here.

      OK
      B279C is not output.
      Result
      Result Proceed to
      DTC B279C is not output A
      DTC B279C is output B

    B

    USE SIMULATION METHOD TO CHECK Click here

    A

    END (ECM WAS DEFECTIVE)