AUTOMATIC HEADLIGHT BEAM LEVEL CONTROL SYSTEM, Diagnostic DTC:B2415

DTC Code DTC Name
B2415 Vehicle Speed Sensor Malfunction

DESCRIPTION

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

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

  • Brake actuator assembly (skid control ECU)

  • Headlight leveling ECU assembly

WIRING DIAGRAM

A0027IZE05
*1 Brake Actuator Assembly (Skid Control ECU)
*2 Headlight Leveling ECU Assembly
*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 inspection.

    Click here

  • If the headlight leveling ECU assembly has been replaced, it is necessary to synchronize the vehicle information and initialize the headlight leveling ECU assembly.

    Click here

PROCEDURE


  1. CHECK FOR DTC


    1. Clear the DTCs.

      Click here


      Body Electrical > HL AutoLeveling > Clear DTCs

    2. Check for DTCs.

      Click here


      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

  2. CHECK FOR DTC (VEHICLE STABILITY CONTROL SYSTEM)


    1. Check for DTCs.

      Click here


      Chassis > ABS/VSC/TRC > Trouble Codes
      OK
      Vehicle stability control system DTCs are not output.
      Result
      Proceed to
      OK
      NG

    OK

    REPLACE HEADLIGHT LEVELING ECU ASSEMBLY Click here

    NG

    GO TO VEHICLE STABILITY CONTROL SYSTEM (DIAGNOSTIC TROUBLE CODE CHART) Click here