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 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 is out of range when performing initialization.

  • Vehicle condition when initializing

  • Headlight swivel ECU assembly

INSPECTION PROCEDURE

Tech Tips

After replacing the headlight swivel ECU, initialization of the ECU is necessary Click here.

PROCEDURE


  1. PERFORM HEADLIGHT SWIVEL ECU 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. Using the intelligent tester, check for DTCs Click here.

      Result
      Result Proceed to
      DTC B2452 is not output. A
      DTC B2452 is output. B

      Tech Tips

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


    B

    REPLACE HEADLIGHT SWIVEL ECU ASSEMBLY Click here

    A

    END