AUTOMATIC HEADLIGHT BEAM LEVEL CONTROL SYSTEM, Diagnostic DTC:B2415

DTC Code DTC Name
B2415 Vehicle Speed Sensor Malfunction

DESCRIPTION

The headlight ECU sub-assembly LH receives signals indicating the vehicle speed signal from the brake actuator assembly (skid control ECU) using CAN communication. The headlight ECU sub-assembly LH stores DTC B2415.

DTC No. Detection Item DTC Detection Condition Trouble Area Note
B2415 Vehicle Speed Sensor Malfunction Malfunction in vehicle speed signal

  • Headlight ECU sub-assembly LH

  • Brake actuator assembly (skid control ECU)

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WIRING DIAGRAM

B005O27E61
*1 Brake Actuator Assembly (Skid Control ECU)
*2 Headlight ECU Sub-assembly LH
*3 CAN Communication Line

CAUTION / NOTICE / HINT

Note


  • Confirm that there are no CAN communication system malfunctions before performing the following inspection.

    Click here

  • 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.

    Click here

PROCEDURE


  1. CLEAR DTC


    1. for Single Beam Headlight:


      1. Clear the DTCs.

        Click here


        Body Electrical > HL AutoLeveling > Clear DTCs

    2. for Triple Beam Headlight:


      1. Clear the DTCs.

        Click here


        Body Electrical > AFS > Clear DTCs
      Result
      Proceed to
      NEXT

    NEXT

  2. CHECK FOR DTC


    1. Turn the engine switch on (IG).

    2. for Single Beam Headlight:


      1. Check for DTCs.

        Click here


        Body Electrical > HL AutoLeveling > Trouble Codes
        OK
        DTC B2415 is not output.

    3. for Triple Beam Headlight:


      1. Check for DTCs.

        Click here


        Body Electrical > AFS > Trouble Codes
        OK
        DTC B2415 is not output.
      Result
      Proceed to
      OK
      NG

    OK

    USE SIMULATION METHOD TO CHECK Click here

    NG

  3. CHECK FOR DTC (VEHICLE STABILITY CONTROL SYSTEM)


    1. Check for DTCs.

      Click here


      Chassis > ABS/VSC/TRC > Trouble Codes
      OK
      Vehicle stability control system DTCs are not output.
      Result
      Proceed to
      OK
      NG

    OK

    REPLACE HEADLIGHT ECU SUB-ASSEMBLY LH Click here

    NG

    GO TO VEHICLE STABILITY CONTROL SYSTEM Click here