AUTOMATIC HEADLIGHT BEAM LEVEL CONTROL SYSTEM, Diagnostic DTC:B2415

DTC Code DTC Name
B2415 Vehicle Speed Sensor Malfunction

DESCRIPTION

The No. 1 headlight ECU sub-assembly LH receives speed signals from the brake actuator assembly (skid control ECU) via CAN communication and performs light control.

DTC No. Detection Item DTC Detection Condition Trouble Area Note
B2415 Vehicle Speed Sensor Malfunction

    Detection condition:

  • Engine switch on (IG)


    Malfunction status:

  • Wheel speed sensor invalid signals are continuously received from the brake actuator assembly (skid control ECU).


    Malfunction duration:

  • 10 seconds or more

 Vehicle stability control system -

WIRING DIAGRAM

B005A75E11
*1 Brake Actuator Assembly (Skid Control ECU)
*2 Headlight ECU Sub-assembly LH
*3 CAN Communication Line

CAUTION / NOTICE / HINT

Note

First perform the communication function inspections in How to Proceed with Troubleshooting to confirm that there are no CAN communication malfunctions before troubleshooting this DTC.

Click here

PROCEDURE


  1. CHECK FOR DTC


    1. Clear the DTCs.

      Click here


      1. for Triple Beam Headlight:


        Body Electrical > AFS > Clear DTCs

      2. for Single Beam Headlight:


        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


      1. for Triple Beam Headlight:


        Body Electrical > AFS > Trouble Codes

      2. for Single Beam Headlight:


        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

    GO TO VEHICLE STABILITY CONTROL SYSTEM Click here