LIGHTING SYSTEM, Diagnostic DTC:B2452

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

DESCRIPTION

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

DTC Code DTC Detection Condition Trouble Area
B2452 The sensor value received from the rear height control sensor LH is out of range when performing initialization.

  • Vehicle condition when initializing

  • Headlight swivel ECU assembly

INSPECTION PROCEDURE

Note

After replacing the headlight swivel ECU, perform initialization and registration of vehicle information Click here.

PROCEDURE


  1. PERFORM HEADLIGHT SWIVEL ECU ASSEMBLY INITIALIZATION


    1. Perform initialization of the headlight swivel ECU 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. CHECK FOR DTC


    1. Check for DTCs Click here.

      OK
      DTC B2452 output does not occur.

      Tech Tips

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

      Result
      Result Proceed to
      OK A
      NG (for LHD) B
      NG (for RHD) C

    B

    REPLACE HEADLIGHT SWIVEL ECU ASSEMBLY Click here

    C

    REPLACE HEADLIGHT SWIVEL ECU ASSEMBLY Click here

    A

    END