LIGHTING SYSTEM, Diagnostic DTC:B2450

DTC Code DTC Name
B2450 Initialization has not been Performed

DESCRIPTION

The headlight swivel ECU assembly*1 or headlight leveling ECU assembly*2 stores this DTC if initialization has not been performed after the ECU is replaced.


DTC Code. DTC Detection Condition Trouble Area
B2450

  • w/ AFS

    Initialization of the headlight swivel ECU has not been performed.

  • w/o AFS

    Initialization of the headlight leveling ECU has not been performed.

  • Headlight swivel ECU assembly (w/ AFS)

  • Headlight leveling ECU assembly (w/o AFS)

CAUTION / NOTICE / HINT

Tech Tips

After replacing the headlight swivel ECU assembly*1 or headlight leveling ECU assembly*2, initialization of the ECU is necessary Click here.


  • *1: w/ AFS

  • *2: w/o AFS

PROCEDURE


  1. CHECK VEHICLE TYPE


    1. Check the vehicle type.

      Result
      Result Proceed to
      w/ AFS A
      w/o AFS B

    B

    PERFORM HEADLIGHT LEVELING ECU ASSEMBLY INITIALIZATION Click here

    A

  2. PERFORM HEADLIGHT SWIVEL ECU ASSEMBLY INITIALIZATION


    1. Perform initialization of the headlight swivel ECU assembly Click here.


    NEXT

  3. CHECK FOR DTC


    1. Clear the DTCs Click here.

    2. Check for DTCs Click here.

      OK
      DTC B2450 output does not occur.

      Tech Tips

      If the headlight swivel ECU assembly outputs DTC B2450 even though the ECU has been initialized, there may be a malfunction in the headlight swivel ECU.


    OK

    END

    NG

    REPLACE HEADLIGHT SWIVEL ECU ASSEMBLY Click here

  4. PERFORM HEADLIGHT LEVELING ECU ASSEMBLY INITIALIZATION


    1. Perform initialization of the headlight leveling ECU assembly Click here.


    NEXT

  5. CHECK FOR DTC


    1. Clear the DTCs Click here.

    2. Check for DTCs Click here.

      Tech Tips

      If the headlight leveling ECU assembly outputs DTC B2450 even though the ECU has been initialized, there may be a malfunction in the headlight leveling ECU.

      Result
      Result Proceed to
      OK A
      NG (for LHD) B
      NG (for RHD) C

    A

    END

    B

    REPLACE HEADLIGHT LEVELING ECU ASSEMBLY Click here

    C

    REPLACE HEADLIGHT LEVELING ECU ASSEMBLY Click here