B241C

DTC Code	DTC Name
B241C	VGRS ECU

DESCRIPTION

The headlight ECU sub-assembly LH receives signals indicating direction and amount the steering is turned from the front steering control ECU using CAN communication.

DTC Code	DTC Detection Condition	Trouble Area
B241C	Malfunction in front steering control ECU.	Front steering control ECU Headlight ECU sub-assembly LH

WIRING DIAGRAM


*1	Front Steering 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.

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 and initialize the headlight ECU sub-assembly LH Click here.

PROCEDURE

CLEAR DTC
1. Clear the DTCs Click here.
NEXT
CHECK FOR DTC
1. Check for DTCs Click here.
  
  OK
  
  DTC B2414 is not output.
OK
USE SIMULATION METHOD TO CHECK Click here

NG
CHECK FRONT STEERING CONTROL ECU
1. Temporarily replace the front steering control ECU with a new or normally functioning one Click here.
2. Check for DTCs Click here.
  
  OK
  
  DTC B2414 is not output.
OK
END (FRONT STEERING CONTROL ECU WAS DEFECTIVE)

NG
REPLACE HEADLIGHT ECU SUB-ASSEMBLY LH Click here

LIGHTING SYSTEM, Diagnostic DTC:B241C