AUTOMATIC HEADLIGHT BEAM LEVEL CONTROL SYSTEM(for Sedan), Diagnostic DTC:B2415

DTC Code DTC Name
B2415 Vehicle Speed Sensor

DESCRIPTION

The headlight leveling ECU assembly receives signals indicating the front right and front left wheel speed from the brake actuator assembly (skid control ECU) via CAN communication.

The headlight leveling ECU assembly stores DTC B2415.

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

  • Vehicle stability control system

  • Headlight leveling ECU assembly

WIRING DIAGRAM

B0042GBE58
*1 Headlight Leveling ECU Assembly
*2 Brake Actuator Assembly (Skid Control ECU)
*3 CAN Communication Line

CAUTION / NOTICE / HINT

Note


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

    w/o Central Gateway ECU: Click here

    w/ Central Gateway ECU: Click here

  • Make sure to perform vehicle information synchronization and initialization after replacing the headlight leveling ECU assembly.

    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
      Result
      Result Proceed to
      DTC B2415 is not output A
      DTC B2415 is output B

    A

    USE SIMULATION METHOD TO CHECK Click here

    B

  3. CHECK FOR DTC


    1. Check for DTCs.


      Chassis > ABS/VSC/TRC > Trouble Codes
      OK
      Vehicle stability control system DTCs are not output.
      Result
      Result Proceed to
      OK A
      NG (Anti-lock Brake Sytem) B
      NG (Vehicle Stability Control Sytem) C

    A

    REPLACE HEADLIGHT LEVELING ECU ASSEMBLY Click here

    B

    GO TO ANTI-LOCK BRAKE SYSTEM Click here

    C

    GO TO VEHICLE STABILITY CONTROL SYSTEM Click here