ENGINE IMMOBILISER SYSTEM (w/ Smart Entry and Start System), Diagnostic DTC:B2779

DTC Code DTC Name
B2779 Engine Starter Communication Malfunction

DESCRIPTION

When an internal malfunction occurs in the certification ECU (smart key ECU assembly), the certification ECU (smart key ECU assembly) stores this DTC.

DTC Code DTC Detection Condition Trouble Area DTC Output Confirmation Operation
B2779 An internal malfunction occurs in the certification ECU (smart key ECU assembly). Certification ECU (smart key ECU assembly) Always
Vehicle Condition and Fail-safe Operation when Malfunction Detected
Vehicle Condition when Malfunction Detected Fail-safe Operation when Malfunction Detected
- -
Related Data List and Active Test
DTC Code Data List and Active Test
B2779 -

INSPECTION PROCEDURE

Note


  • Before replacing the certification ECU (smart key ECU assembly), refer to the Service Bulletin.

  • After performing repairs, perform the operation that fulfills 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 DTC OUTPUT


    1. Check for DTCs Click here.

      OK
      DTC B2779 is not output.

    NG

    REPLACE CERTIFICATION ECU (SMART KEY ECU ASSEMBLY)

    OK

    USE SIMULATION METHOD TO CHECK Click here