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LIGHTING SYSTEM, Diagnostic DTC:B2450

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DTC Code DTC Name
B2450 Height Sensor Initialization Incomplete
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DESCRIPTION

The vehicle height must be initialized for the headlight ECU sub-assembly LH to perform auto leveling control.

DTC No. Detection Item DTC Detection Condition Trouble Area DTC Output from Note
B2450 Height Sensor Initialization Incomplete
  • Detection condition:

  • Power switch on (IG)


  • Malfunction status:

  • ECU initialization incomplete


  • Malfunction duration:

  • -

 Headlight ECU sub-assembly LH Headlight ECU sub-assembly LH w/o Adaptive Variable Suspension System
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CAUTION / NOTICE / HINT

Note:

If the headlight ECU sub-assembly LH has been replaced, it is necessary to synchronize the vehicle information and initialize the headlight ECU sub-assembly LH.

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PROCEDURE


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    INITIALIZATION HEADLIGHT ECU SUB-ASSEMBLY LH


    1. Perform initialization of the headlight ECU sub-assembly LH.

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      Result
      Proceed to
      NEXT

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    CHECK FOR DTC


    1. Turn the power switch on (IG).

    2. Check for DTCs.

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      1. Body Electrical > AFS > Trouble Codes


      OK
      DTC B2450 is not output.
      Tip:

      If the headlight ECU sub-assembly LH stores DTC B2450 even though the ECU has been initialized, there may be a malfunction in the headlight ECU sub-assembly LH.

      Result
      Proceed to
      OK
      NG

    • OK

      END (INITIALIZATION WAS NOT COMPLETED)

    • NG

      REPLACE HEADLIGHT ECU SUB-ASSEMBLY LHClick here