LIGHTING SYSTEM, Diagnostic DTC:B2451

DTC Code DTC Name
B2451 Vehicle Specifications have not been Stored

DESCRIPTION

The headlight swivel ECU sets this DTC if the vehicle specifications have not been stored in the headlight swivel ECU.

DTC Code DTC Detecting Condition Trouble Area
B2451 Vehicle specifications have not been stored Headlight swivel ECU assembly

INSPECTION PROCEDURE

Note

After replacing the headlight swivel ECU, perform initialization and registration of vehicle information Click here.

PROCEDURE


  1. PERFORM HEADLIGHT SWIVEL ECU ASSEMBLY INITIALIZATION


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

      Tech Tips


      • Before initializing, make sure that the vehicle condition is proper for initialization.

      • Be sure to perform the initialization as instructed.


    NEXT

  2. CHECK FOR DTC


    1. Check for DTCs Click here.

      OK
      DTC B2451 output does not occur.

      Tech Tips

      If the headlight swivel ECU stores DTC B2451 even though the ECU has been initialized as instructed, there may be a malfunction in the headlight swivel ECU.

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

    B

    REPLACE HEADLIGHT SWIVEL ECU ASSEMBLY Click here

    C

    REPLACE HEADLIGHT SWIVEL ECU ASSEMBLY Click here

    A

    END