AUTOMATIC HEADLIGHT BEAM LEVEL CONTROL SYSTEM, Diagnostic DTC:B2450

DTC Code DTC Name
B2450 Initialization has not been Performed

DESCRIPTION

This DTC is output when initialization is not performed after the rear height control sensor sub-assembly LH is replaced.

The headlight light control ECU sub-assembly LH outputs DTC B2450.

DTC No. Detection Item DTC Detection Condition Trouble Area
B2450 Initialization has not been Performed Initialization not performed after the rear height control sensor sub-assembly LH is replaced Rear height control sensor sub-assembly LH

CAUTION / NOTICE / HINT

Note

After the rear height control sensor sub-assembly LH is replaced or removed and installed, initialization is necessary.

Click here

PROCEDURE


  1. INITIALIZATION HEADLIGHT LIGHT CONTROL ECU SUB-ASSEMBLY LH


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

      Click here

      Result
      Proceed to
      NEXT

    NEXT

  2. CLEAR DTC


    1. Clear the DTCs.

      Click here


      Body Electrical > HL AutoLeveling > Clear DTCs
      Result
      Proceed to
      NEXT

    NEXT

  3. CHECK FOR DTC


    1. Turn the engine switch on (IG).

    2. Turn on the headlights using the headlight dimmer switch.

    3. Check for DTCs.

      Click here


      Body Electrical > HL AutoLeveling > Trouble Codes

      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
      DTC B2450 output does not occur
      DTC B2450 output occur

    DTC B2450 output does not occur

    END (NORMAL AFTER VEHICLE INFORMATION REGISTERED)

    DTC B2450 output occur

    REPLACE REAR HEIGHT CONTROL SENSOR SUB-ASSEMBLY LH Click here