LIGHTING SYSTEM, Diagnostic DTC:B2450

DTC Code DTC Name
B2450 Initialization has not been Performed

DESCRIPTION

The headlight leveling ECU stores this DTC if initialization has not been performed after replacing the ECU.

DTC Code DTC Detection Condition Trouble Area
B2450 Initialization of the headlight leveling ECU has not been performed.

  • Vehicle condition when initializing

  • Headlight leveling ECU assembly

INSPECTION PROCEDURE

Tech Tips

After replacing the headlight leveling ECU, initialization of the ECU is necessary Click here.

PROCEDURE


  1. PERFORM HEADLIGHT LEVELING ECU INITIALIZATION


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


    NEXT

  2. CHECK FOR DTC


    1. Check for DTCs Click here.

      OK
      DTC B2450 output does not occur.

      Tech Tips

      If the headlight leveling ECU outputs 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

    B

    REPLACE HEADLIGHT LEVELING ECU ASSEMBLY Click here

    C

    REPLACE HEADLIGHT LEVELING ECU ASSEMBLY Click here

    A

    END