AUTOMATIC HEADLIGHT BEAM LEVEL CONTROL 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 master cylinder solenoid (skid control ECU) using CAN communication.

DTC Code	DTC Detection Condition	Trouble Area
B2415	Malfunction in vehicle speed signal	Headlight ECU sub-assembly LH Master cylinder solenoid (skid control ECU)

WIRING DIAGRAM

B0018NNE03


*1	Master Cylinder Solenoid (Skid Control ECU)
*2	Headlight ECU Sub-assembly LH
*3	CAN Communication Line

CAUTION / NOTICE / HINT

Note

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

for LHD: Click here
for RHD: Click here

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

PROCEDURE

CLEAR DTC
1. Clear the DTCs Click here.
NEXT
CHECK FOR DTC
1. Check for DTCs Click here.
  
  OK
  
  DTC B2415 is not output.
OK
USE SIMULATION METHOD TO CHECK Click here

NG
CHECK FOR DTC (VEHICLE STABILITY CONTROL SYSTEM)
1. 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 VEHICLE STABILITY CONTROL SYSTEM Click here