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Home >> Lexus >> 2016 >> RC 350 Base, AWD >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Headlights >> Automatic Headlight Beam Level Control System (Single Beam Headlight) - Diagnostic Codes & Circuit Tests >> AUTOMATIC HEADLIGHT BEAM LEVEL CONTROL SYSTEM (for Single Beam Headlight) >> DTC B2452: Height Control Sensor Data Out of Range When Initializing [09/2014 - 10/2018] >> Procedure
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DTC B2452: Height Control Sensor Data Out of Range When Initializing [09/2014 - 10/2018]: 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 - 10/2018]

      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.

      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 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.

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    END 

    Result: 

    NG 

    REPLACE HEADLIGHT LEVELING ECU ASSEMBLY. Refer to  REMOVAL [09/2014 - 10/2018]