AUTOMATIC HEADLIGHT BEAM LEVEL CONTROL SYSTEM(for Triple Beam Headlight), Diagnostic DTC:B2415

DTC Code DTC Name
B2415 Vehicle Speed Sensor Malfunction

DESCRIPTION

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

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

  • Headlight light control ECU sub-assembly LH

  • Brake actuator assembly (skid control ECU)

WIRING DIAGRAM

B0073XTE12
*1 Brake Actuator Assembly (Skid Control ECU)
*2 Headlight Light Control 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 light control ECU sub-assembly LH has been replaced, it is necessary to synchronize the vehicle information and initialize the headlight light control ECU sub-assembly LH.

    Click here

PROCEDURE


  1. CLEAR DTC


    1. Clear the DTCs.

      Click here


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

    NEXT

  2. CHECK FOR DTC


    1. Check for DTCs.

      Click here


      Body Electrical > HL AutoLeveling > 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 LIGHT CONTROL ECU SUB-ASSEMBLY LH Click here

    NG

    GO TO VEHICLE STABILITY CONTROL SYSTEM Click here