LIGHTING 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. DTC Detecting Condition Trouble Area
B2452 Vehicle condition not specified when initializing

  • Vehicle condition when initializing

  • Headlight leveling ECU assembly

PROCEDURE


  1. PERFORM INITIALIZATION


    1. Perform initialization of the headlight leveling ECU assembly Click here.

      Tech Tips


      • Before initializing, make sure that the vehicle condition is proper for initialization.

      • Be sure to perform the initialization as instructed.


    NEXT

  2. RECHECK FOR DTC


    1. Using the intelligent tester, recheck for DTCs.

      Result
      Result Proceed to
      DTC B2452 is not output. A
      DTC B2452 is output. (for LHD) B
      DTC B2452 is output. (for RHD) C

      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.


    A

    END

    B

    REPLACE HEADLIGHT LEVELING ECU ASSEMBLY Click here

    C

    REPLACE HEADLIGHT LEVELING ECU ASSEMBLY Click here