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


  • 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 Model Code "KEY REGIST" 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 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

    END (ECM WAS DEFECTIVE)