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 headlight leveling ECU assembly; for example, the vehicle is not level or being jacked up.

DTC No. DTC Detecting Condition Trouble Area
B2452 Vehicle condition not specified when initializing

  • Vehicle condition when initializing

  • AFS ECU (headlight swivel ECU assembly)

INSPECTION PROCEDURE

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.


    NEXT

  2. RECHECK FOR DTC


    1. Using the intelligent tester, recheck for DTCs Click here.

      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).


    NG

    REPLACE AFS ECU (HEADLIGHT SWIVEL ECU ASSEMBLY) Click here

    OK

    END