AUTOMATIC HEADLIGHT BEAM LEVEL CONTROL SYSTEM, Diagnostic DTC:B2415

DTC Code DTC Name
B2415 Vehicle Speed Sensor Malfunction

DESCRIPTION

The headlight leveling ECU (headlight swivel ECU assembly) receives signals indicating the front right wheel speed from the brake booster with master cylinder assembly (skid control ECU) using CAN communication.

DTC No. DTC Detection Condition Trouble Area
B2415 Malfunction in vehicle speed sensor

  • Brake booster with master cylinder assembly (skid control ECU)

  • Headlight leveling ECU (headlight swivel ECU assembly)

WIRING DIAGRAM

A0008DXE15
*1 Brake Booster with Master Cylinder Assembly (Skid Control ECU)
*2 Headlight Leveling ECU (Headlight Swivel 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 (See page (w/ Central Gateway ECU)), Click here (w/o Central Gateway ECU)).

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

PROCEDURE


  1. CHECK FOR DTC


    1. Clear the DTCs Click here.

    2. Check for DTCs Click here.

      OK
      DTC B2415 is not output.

    OK

    USE SIMULATION METHOD TO CHECK Click here

    NG

  2. CHECK FOR DTC (ELECTRONICALLY CONTROLLED BRAKE SYSTEM)


    1. Check for DTCs Click here.

      OK
      Electronically Controlled Brake System DTCs are not output.

    OK

    REPLACE HEADLIGHT LEVELING ECU (HEADLIGHT SWIVEL ECU ASSEMBLY) Click here

    NG

    GO TO ELECTRONICALLY CONTROLLED BRAKE SYSTEM Click here