AFS (ADAPTIVE FRONT-LIGHTING SYSTEM), Diagnostic DTC:B2451

DTC Code DTC Name
B2451 Vehicle Specifications have not been Stored

DESCRIPTION

The AFS ECU (headlight swivel ECU assembly) stores this DTC if the vehicle specifications have not been stored in the ECU.

Tech Tips

The vehicle specifications are stored in the ECU at the factory.

DTC No. Detection Item DTC Detection Condition Trouble Area
B2451 Vehicle Specifications have not been Stored Vehicle specifications have not been stored AFS ECU (headlight swivel ECU assembly)

PROCEDURE


  1. SYNCHRONIZE VEHICLE INFORMATION


    1. Synchronize the vehicle information.

      Click here


      Body Electrical > AFS > Utility
      Tester Display
      ECU Information Sync
      Result
      Proceed to
      NEXT

    NEXT

  2. RECHECK FOR DTC


    1. Using the GTS, recheck for DTCs.

      Click here


      Body Electrical > AFS > Trouble Codes
      OK
      DTC B2451 is not output.

      Tech Tips

      If the AFS ECU (headlight swivel ECU assembly) stores DTC B2451 even though the ECU has been initialized, there may be a malfunction in the AFS ECU (headlight swivel ECU assembly).

      Result
      Proceed to
      OK
      NG

    OK

    END

    NG

    REPLACE AFS ECU (HEADLIGHT SWIVEL ECU ASSEMBLY) Click here