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Home >> Toyota >> 2012 >> Prius Two >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 138 (Auto Headlight Beam Level Control System (Plug-In) (Diagnostic Codes & Circuit Tests)) >> Automatic Headlight Beam Level Control System >> DTC B2450: Initialization has not been Performed >> Procedure
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DTC B2450: Initialization has not been Performed: Procedure

WARNING: This page is about a different variant/trim than selected.
  1. PERFORM INITIALIZATION 
    1. Perform initialization of the headlight leveling ECU assembly. Refer to INITIALIZATION .

    NEXT: Go to next step 

  2. RECHECK FOR DTC 
    1. Using the Techstream, recheck for DTCs. Refer to DTC CHECK / CLEAR .

      OK

      DTC B2450 is not output.

      HINT: 

      If the headlight leveling ECU assembly stores DTC B2450 even though the ECU has been initialized, there may be a malfunction in the headlight leveling ECU assembly.

    NG → See step   3 

    OK → END 

  3. REPLACE HEADLIGHT LEVELING ECU ASSEMBLY. Refer to  REMOVAL