ENGINE IMMOBILISER SYSTEM, Diagnostic DTC:B2793

DTC Code DTC Name
B2793 Transponder Chip Malfunction

DESCRIPTION

This DTC is stored when a malfunction is found in the key during key code registration or a key code is not registered normally. Replace the key if the key code registration cannot be performed normally and this DTC is output.

DTC Code DTC Detection Condition Trouble Area DTC Output Confirmation Operation
B2793 A transponder chip malfunction (1 trip detection logic*). Key Insert the key into the ignition key cylinder.

INSPECTION PROCEDURE

Note


  • When the key is replaced, refer to the Service Bulletin.

  • After performing repairs, perform the DTC output confirmation operation, and then confirm that no DTCs are output again.

PROCEDURE


  1. CLEAR DTC


    1. Clear the DTCs Click here.


    NEXT

  2. CHECK FOR DTC


    1. Check for DTCs Click here.

      OK
      DTC B2793 is not output.

    NG

    REREGISTER MALFUNCTIONING KEY Click here

    OK

    USE SIMULATION METHOD TO CHECK Click here

  3. REREGISTER MALFUNCTIONING KEY


    1. Reregister the key code with the transponder key ECU assembly (refer to the Service Bulletin).

    2. Check if the engine starts with the key that was just reregistered.

      OK
      Engine starts.

    NG

    REPLACE KEY THAT CANNOT START ENGINE

    OK

    END (KEY CODE IS NOT REGISTERED NORMALLY)