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Home >> Lexus >> 2019 >> RC F >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Exterior Lights >> Automatic Headlight Beam Level Control System (Single Beam) - Diagnostic Codes & Circuit Tests >> AUTOMATIC HEADLIGHT BEAM LEVEL CONTROL SYSTEM(for Single Beam Headlight) >> DTC B2450: Initialization has not been Performed [09/2014 - 03/2019] >> Procedure

DTC B2450: Initialization has not been Performed [09/2014 - 03/2019]: Procedure

  1. PERFORM INITIALIZATION 
    1. Perform initialization of the headlight leveling ECU assembly.

      Refer to INITIALIZATION [09/2014 - 11/2017] , or refer to INITIALIZATION [11/2017 - 03/2019]

      Result

      Proceed to
      NEXT

    Result: 

    NEXT 

    See step  2

  2. RECHECK FOR DTC 
    1. Using the Techstream, recheck for DTCs.

      Refer to DTC CHECK / CLEAR [09/2014 - 03/2019]

      Body Electrical > HL AutoLeveling > Trouble Codes 

      OK

      DTC B2450 is not output.

      HINT: 

      If the headlight leveling ECU assembly stores DTC B2450 even though the ECU has been initialized, the headlight leveling ECU assembly may be malfunctioning.

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    END 

    Result: 

    NG 

    REPLACE HEADLIGHT LEVELING ECU ASSEMBLY. Refer to  REMOVAL [09/2014 - 03/2019]