LIGHTING SYSTEM(for Triple Beam Headlight), Diagnostic DTC:B2451

DTC Code DTC Name
B2451 Vehicle Specifications have not been Stored

DESCRIPTION

The headlight ECU sub-assembly LH stores this DTC if the vehicle specifications have not been stored in the ECU.

DTC No. Detection Item DTC Detection Condition Trouble Area
B2451 Vehicle Specifications have not been Stored Vehicle specifications have not been stored Headlight ECU sub-assembly LH

CAUTION / NOTICE / HINT

Note

If the headlight ECU sub-assembly LH has been replaced, it is necessary to synchronize the vehicle information and initialize the headlight ECU sub-assembly LH.

Click here

PROCEDURE


  1. SYNCHRONIZE VEHICLE INFORMATION


    1. Synchronize the vehicle information.

      Click here


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

    NEXT

  2. CLEAR DTC


    1. Clear the DTCs.

      Click here


      Body Electrical > HL AutoLeveling > Clear DTCs
      Result
      Proceed to
      NEXT

    NEXT

  3. CHECK FOR DTC


    1. Turn the power switch on (IG).

    2. Check for DTCs.

      Click here


      Body Electrical > HL AutoLeveling > Trouble Codes
      OK
      DTC B2451 is not output.
      Result
      Proceed to
      OK
      NG

    OK

    END (VEHICLE SPECIFICATIONS WERE NOT STORED)

    NG

    REPLACE HEADLIGHT ECU SUB-ASSEMBLY LH Click here