LIGHTING SYSTEM(w/ Automatic Headlight Beam Level Control System), Diagnostic DTC:B2450

DTC Code DTC Name
B2450 Height Sensor Initialization Incomplete

DESCRIPTION

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

DTC No. Detection Item DTC Detection Condition Trouble Area DTC Output from
B2450 Height Sensor Initialization Incomplete

    Detection condition:

  • The ignition switch is ON.


    Malfunction status:

  • Headlight ECU sub-assembly LH initialization not completed


    Malfunction duration:

  • -

 Headlight ECU sub-assembly LH 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. 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. Connect the GTS to the DLC3.

    2. Turn the ignition switch to ON.

    3. Turn the GTS on.

    4. Enter the following menus: Body Electrical / HL AutoLeveling / Trouble Codes.

    5. Clear the DTCs.


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

    NEXT

  3. CHECK FOR DTC


    1. Connect the GTS to the DLC3.

    2. Turn the ignition switch to ON.

    3. Turn the GTS on.

    4. Enter the following menus: Body Electrical / HL AutoLeveling / Trouble Codes.

    5. Check for DTCs.


      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