LIGHTING SYSTEM, Diagnostic DTC:B2415

DTC Code DTC Name
B2415 Vehicle Speed Sensor Malfunction

DESCRIPTION

The headlight swivel ECU assembly*1 or headlight leveling ECU assembly*2 receives signals indicating the front wheel speed from the brake actuator assembly (skid control ECU) using CAN communication.


DTC Code DTC Detection Condition Trouble Area
B2415 A malfunction in the vehicle speed sensor.

  • Brake actuator assembly (skid control ECU)

  • Headlight swivel ECU assembly (w/ AFS)

  • Headlight leveling ECU assembly (w/o AFS)

WIRING DIAGRAM

A0052GSE28
*1 Brake Actuator Assembly (Skid Control ECU)
*2 Headlight Swivel ECU Assembly
*3 CAN Communication Line
A0052GSE29
w/o AFS
*1 Brake Actuator Assembly (Skid Control ECU)
*2 Headlight Leveling ECU Assembly
*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 symptom.

Tech Tips

After replacing the headlight swivel ECU assembly*1 or headlight leveling ECU assembly*2, initialization of the ECU is necessary Click here.


PROCEDURE


  1. CHECK FOR DTC


    1. Clear the DTCs Click here.

    2. Check for DTCs Click here.

      OK
      DTC B2415 output does not occur.

    OK

    USE SIMULATION METHOD TO CHECK Click here

    NG

  2. CHECK FOR DTC (VEHICLE STABILITY CONTROL SYSTEM)


    1. Check for DTCs Click here.

      OK
      Vehicle stability control speed sensor DTCs are not output.
      Result
      Result Proceed to
      OK (w/ AFS) A
      OK (w/o AFS, for LHD) B
      OK (w/o AFS, for RHD) C
      NG D

    A

    REPLACE HEADLIGHT SWIVEL ECU ASSEMBLY Click here

    B

    REPLACE HEADLIGHT LEVELING ECU ASSEMBLY Click here

    C

    REPLACE HEADLIGHT LEVELING ECU ASSEMBLY Click here

    D

    GO TO VEHICLE STABILITY CONTROL SYSTEM Click here