AUTOMATIC HEADLIGHT BEAM LEVEL CONTROL SYSTEM(for Triple Beam Headlight), 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
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 LH

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

    • 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. Clear the DTCs.

      Click here


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

    NEXT

  3. CHECK FOR DTC


    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.

      Result
      Proceed to
      OK
      NG

    OK

    END (INITIALIZATION WAS NOT COMPLETED)

    NG

    REPLACE HEADLIGHT ECU SUB-ASSEMBLY LH Click here