AUTOMATIC HEADLIGHT BEAM LEVEL CONTROL SYSTEM, Diagnostic DTC:B2450

DTC Code DTC Name
B2450 Initialization has not been Performed

DESCRIPTION

The headlight ECU sub-assembly LH stores this DTC if initialization has not been performed after the ECU was replaced.

DTC No. Detection Item DTC Detection Condition Trouble Area Note
B2450 Initialization has not been Performed Initialization of the headlight ECU sub-assembly LH has not been performed 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

  • If any of the following are performed, it is necessary to initialize the headlight ECU sub-assembly LH.

    Click here


    • Replacement of the rear height control sensor sub-assembly RH

    • Removal/installation of the rear height control sensor sub-assembly RH

    • Work that changes the vehicle height such as replacement of suspension components

PROCEDURE


  1. INITIALIZATION HEADLIGHT ECU SUB-ASSEMBLY LH


    1. Perform initialization of the headlight ECU sub-assembly LH.

      Click here

      Result
      Proceed to
      NEXT

    NEXT

  2. CLEAR DTC


    1. for Single Beam Headlight:


      1. Clear the DTCs.

        Click here


        Body Electrical > HL AutoLeveling > Clear DTCs

    2. for Triple Beam Headlight:


      1. Clear the DTCs.

        Click here


        Body Electrical > AFS > Clear DTCs
      Result
      Proceed to
      NEXT

    NEXT

  3. CHECK FOR DTC


    1. Turn the engine switch on (IG).

    2. for Single Beam Headlight:


      1. Check for DTCs.

        Click here


        Body Electrical > HL AutoLeveling > Trouble Codes
        OK
        DTC B2450 is not output.

        Tech Tips

        If the headlight ECU sub-assembly LH stores DTC B2450 even though the ECU has been initialized, there may be a malfunction in the headlight ECU sub-assembly LH.

    3. for Triple Beam Headlight:


      1. Check for DTCs.

        Click here


        Body Electrical > AFS > Trouble Codes
        OK
        DTC B2450 is not output.

        Tech Tips

        If the headlight ECU sub-assembly LH stores DTC B2450 even though the ECU has been initialized, there may be a malfunction in the headlight ECU sub-assembly LH.

      Result
      Proceed to
      OK
      NG

    OK

    END (INITIALIZATION WAS NOT COMPLETED)

    NG

    REPLACE HEADLIGHT ECU SUB-ASSEMBLY LH Click here