LIGHTING SYSTEM, Diagnostic DTC:B2451

DTC Code DTC Name
B2451 Vehicle Specifications have not been Stored

DESCRIPTION

This DTC is output if the vehicle variation information is not written to the headlight light control ECU sub-assembly LH.

The headlight light control ECU sub-assembly LH outputs DTC B2451.

The headlight light control ECU sub-assembly LH outputs DTC B2451.
DTC No. Detection Item DTC Detection Condition Trouble Area
B2451 Vehicle Specifications have not been Stored Vehicle specification information not written Headlight light control ECU sub-assembly LH

CAUTION / NOTICE / HINT

Note

After the headlight light control ECU sub-assembly LH is replaced, vehicle information registration and initialization are necessary.

Click here

PROCEDURE


  1. VEHICLE INFORMATION HEADLIGHT LIGHT CONTROL ECU SUB-ASSEMBLY LH


    1. Register vehicle information for the headlight light control ECU sub-assembly LH.

      Click here

      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. Turn on the headlights using the headlight dimmer switch.

    3. Check for DTCs.

      Click here


      Body Electrical > HL AutoLeveling > Trouble Codes
      Result
      Proceed to
      DTC B2451 output does not occur
      DTC B2451 output occurs

    DTC B2451 output does not occur

    END (NORMAL AFTER VEHICLE INFORMATION REGISTERED)

    DTC B2451 output occurs

    REPLACE HEADLIGHT LIGHT CONTROL ECU SUB-ASSEMBLY LH Click here