LIGHTING SYSTEM, Diagnostic DTC:B2415

DTC Code DTC Name
B2415 Vehicle Speed Sensor Malfunction

DESCRIPTION

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

DTC Code DTC Detection Condition Trouble Area
B2415 Malfunction in vehicle speed signal.

  • Vehicle stability control system

  • Headlight ECU sub-assembly LH

WIRING DIAGRAM

B002BFKE01
*1 Brake Actuator Assembly (Skid Control ECU)
*2 Headlight ECU Sub-assembly LH
*3 CAN Communication Line

CAUTION / NOTICE / HINT

Note


  • Perform the communication function inspections in Diagnosis System to confirm that there are no CAN communication malfunctions before performing the following procedure.


  • If the headlight ECU sub-assembly LH has been replaced, it is necessary to synchronize the vehicle information and initialize the headlight ECU sub-assembly LH Click here.

PROCEDURE


  1. CLEAR DTC


    1. Clear the DTCs Click here.


    NEXT

  2. CHECK FOR DTC


    1. Check for DTCs Click here.

      OK
      DTC B2415 is not output.

    OK

    USE SIMULATION METHOD TO CHECK Click here

    NG

  3. CHECK FOR DTC (ELECTRONICALLY CONTROLLED BRAKE SYSTEM)


    1. Clear the DTCs Click here.

    2. Check for DTCs Click here.

      OK
      Vehicle stability control system DTCs are not output.

    OK

    REPLACE HEADLIGHT ECU SUB-ASSEMBLY LH Click here

    NG

    GO TO ELECTRONICALLY CONTROLLED BRAKE SYSTEM Click here