LIGHTING SYSTEM, Diagnostic DTC:B2450

DTC Code DTC Name
B2450 Initialization has not been Performed

DESCRIPTION

Initialization of the headlight leveling ECU*1 or headlight swivel ECU*2 has not been performed.


DTC Code DTC Detection Condition Trouble Area
B2450

  • Initialization of the headlight leveling ECU has not been performed. (w/ Static Headlight Auto Leveling)

  • Initialization of the headlight swivel ECU assembly has not been performed. (w/ Dynamic Headlight Auto Leveling)

  • Headlight leveling ECU assembly (w/ Static Headlight Auto Leveling)

  • Headlight swivel ECU assembly (w/ Dynamic Headlight Auto Leveling)

INSPECTION PROCEDURE

Note

After replacing the headlight leveling ECU*1 or headlight swivel ECU*2, initialization of the ECU is necessary (except w/ Dynamic Headlight Auto Leveling) Click here.


  • *1: w/ Static Headlight Auto Leveling

  • *2: w/ Dynamic Headlight Auto Leveling

PROCEDURE


  1. PERFORM INITIALIZATION


    1. Perform initialization of the headlight leveling ECU*1 or headlight swivel ECU*2 Click here.


      • *1: w/ Static Headlight Auto Leveling

      • *2: w/ Dynamic Headlight Auto Leveling


    NEXT

  2. CHECK FOR DTC


    1. Check for DTCs Click here.

      OK
      DTC B2450 is not output.
      Result
      Result Proceed to
      OK A
      NG (w/ Static Headlight Auto Leveling) B
      NG (w/ Dynamic Headlight Auto Leveling) (for LHD) C
      NG (w/ Dynamic Headlight Auto Leveling) (for RHD) D

      Tech Tips

      If the headlight leveling ECU*1 or headlight swivel ECU*2 stores DTC B2450 even though the ECU has been initialized, there may be a malfunction in the headlight leveling ECU*1 or headlight swivel ECU*2.


      • *1: w/ Static Headlight Auto Leveling

      • *2: w/ Dynamic Headlight Auto Leveling


    B

    REPLACE HEADLIGHT LEVELING ECU ASSEMBLY Click here

    C

    REPLACE HEADLIGHT SWIVEL ECU ASSEMBLY Click here

    D

    REPLACE HEADLIGHT SWIVEL ECU ASSEMBLY Click here

    A

    END