AUTOMATIC HEADLIGHT BEAM LEVEL CONTROL SYSTEM, Diagnostic DTC:B2452

DTC Code DTC Name
B2452 Height Control Sensor Data Out of Range When Initializing

DESCRIPTION

The headlight leveling ECU assembly stores this DTC if the sensor value received from the height control sensor is out of range when performing initialization of the headlight leveling ECU assembly; for example, the vehicle is not level or being jacked up.

DTC No. Detection Item DTC Detection Condition Trouble Area
B2452 Height Control Sensor Data Out of Range When Initializing Rear height control sensor sub-assembly value is out of range when initializing

  • Vehicle condition when initializing

  • Headlight leveling ECU assembly

CAUTION / NOTICE / HINT

Note

If the headlight leveling ECU assembly has been replaced, it is necessary to synchronize the vehicle information and initialize the headlight leveling ECU assembly.

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PROCEDURE


  1. PERFORM INITIALIZATION


    1. Perform initialization of the headlight leveling ECU assembly.

      Click here

      Tech Tips


      • 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

    NEXT

  2. RECHECK FOR DTC


    1. Using the GTS, recheck for DTCs.

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      Body Electrical > HL AutoLeveling > Trouble Codes
      OK
      DTC B2452 is not output.

      Tech Tips

      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

    OK

    END

    NG

    REPLACE HEADLIGHT LEVELING ECU ASSEMBLY Click here