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Home >> Lexus >> 2013 >> ES 350 >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Exterior Lights >> Automatic Headlight Beam Level Control System (Diagnostic Codes & Circuit Tests) >> Automatic Headlight Beam Level Control System >> DTC B2452: Height Control Sensor Data Out of Range When Initializing >> Procedure

DTC B2452: Height Control Sensor Data Out of Range When Initializing: Procedure

  1. PERFORM INITIALIZATION 
    1. Perform initialization of the headlight leveling ECU assembly. Refer to INITIALIZATION [06/2012 - ] .

      HINT: 

      • Before initializing the headlight leveling ECU assembly, make sure that the vehicle condition is proper for initialization.
      • Be sure to perform initialization as instructed.

    NEXT: Go to next step 

  2. RECHECK FOR DTC 
    1. Using the Techstream, recheck for DTCs. Refer to DTC CHECK / CLEAR [06/2012 - ] .

      OK

      DTC B2452 is not output.

      HINT: 

      If the headlight leveling ECU assembly stores DTC B2452 even though the ECU has been initialized as instructed, 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 [06/2012 - ]