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Home >> Lexus >> 2024 >> RC 350 Base, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 20 (Automatic Headlight Beam Level Control System (Single Beam Headlight) - Diagnostic Codes & Circuit Tests) >> AUTOMATIC HEADLIGHT BEAM LEVEL CONTROL SYSTEM (for Single Beam Headlight) >> DTC B2450: Initialization has not been Performed [09/2014 - 10/2018] >> Procedure

DTC B2450: Initialization has not been Performed [09/2014 - 10/2018]: Procedure

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  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 - 10/2018]

      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 - 10/2018]

      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 - 10/2018]