AUTOMATIC HEADLIGHT BEAM LEVEL CONTROL SYSTEM, Diagnostic DTC:B2450

DTC Code DTC Name
B2450 Initialization has not been Performed

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
B2450 Initialization has not been Performed ECU initialization incomplete Headlight ECU sub-assembly LH

CAUTION / NOTICE / HINT

Note

After the headlight ECU sub-assembly LH is replaced, vehicle information registration and initialization are necessary.

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PROCEDURE


  1. INITIALIZATION HEADLIGHT ECU SUB-ASSEMBLY LH


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

      Click here

      Result
      Proceed to
      NEXT

    NEXT

  2. CHECK FOR DTC


    1. Clear the DTCs.

      Click here


      Body Electrical > HL AutoLeveling > Clear DTCs

    2. Turn the engine switch on (IG) and wait for at least 10 seconds or more.

    3. Check for DTCs.

      Click here


      Body Electrical > HL AutoLeveling > Trouble Codes
      OK
      DTC B2450 is not output.

      Tech Tips

      If DTC B2450 is output even after performing initialization, the rear height control sensor sub-assembly LH may have a malfunction.

      Result
      Proceed to
      OK
      NG

    OK

    END (NORMAL AFTER VEHICLE INFORMATION REGISTERED)

    NG

    REPLACE HEADLIGHT ECU SUB-ASSEMBLY LH Click here