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

E234216E58

CAUTION / NOTICE / HINT

Note:

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

    w/o Central Gateway ECU:Click hereClick hereClick here

    w/ Central Gateway ECU:Click hereClick 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 hereClick hereClick 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 hereClick hereClick here