AFS (ADAPTIVE FRONT-LIGHTING SYSTEM), Diagnostic DTC:B2452

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

DESCRIPTION

The AFS ECU (headlight swivel ECU assembly) stores this DTC if the sensor value received from the height control sensor is out of range when performing initialization of the AFS ECU (headlight swivel 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 Vehicle condition not specified when initializing

  • Vehicle condition when initializing

  • AFS ECU (headlight swivel ECU assembly)

CAUTION / NOTICE / HINT

Note

If the AFS ECU (headlight swivel ECU assembly) has been replaced, it is necessary to synchronize the vehicle information and initialize the AFS ECU (headlight swivel ECU assembly).

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PROCEDURE


  1. PERFORM INITIALIZATION


    1. Perform initialization of the AFS ECU (headlight swivel ECU assembly).

      Click here

      Tech Tips


      • Before initializing the AFS ECU (headlight swivel 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 > AFS > Trouble Codes
      OK
      DTC B2452 is not output.

      Tech Tips

      If the AFS ECU (headlight swivel ECU assembly) stores DTC B2452 even though the ECU has been initialized as instructed, there may be a malfunction in the AFS ECU (headlight swivel ECU assembly).

      Result
      Proceed to
      OK
      NG

    OK

    END

    NG

    REPLACE AFS ECU (HEADLIGHT SWIVEL ECU ASSEMBLY) Click here