Dtc B2427 Can Communication Malfunction

Land Cruiser URJ200 URJ202 GRJ200 VDJ200 - LIGHTING EXT

DESCRIPTION

INSPECTION PROCEDURE

CHECK FOR DTC

CHECK CAN COMMUNICATION SYSTEM

DTC B2427 CAN Communication Malfunction

DESCRIPTION

The headlight swivel ECU sends and receives data to and from various ECUs via CAN communication.

DTC CodeDTC Detection ConditionTrouble Area
B2427CAN communication malfunction between the headlight swivel ECU and other ECUs.
CAN communication system
Headlight swivel ECU assembly

INSPECTION PROCEDURE

  • NOTICE:
  • After replacing the headlight swivel ECU, initialization of the ECU is necessary (except w/ Dynamic Headlight Auto Leveling) ().
1.CHECK FOR DTC

Clear the DTCs ().

Check for DTCs ().

  • OK:
  • DTC B2427 output does not occur.
NG
Go to step 2
OK
USE SIMULATION METHOD TO CHECK ()
2.CHECK CAN COMMUNICATION SYSTEM

for LHD:


Perform a CAN communication system inspection ().

for RHD:


Perform a CAN communication system inspection ().

  • OK:
  • The CAN communication system is normal.
Result
ResultProceed to
OK (for LHD)A
OK (for RHD)B
NG (for LHD)C
NG (for RHD)D
B
REPLACE HEADLIGHT SWIVEL ECU ASSEMBLY ()
C
GO TO CAN COMMUNICATION SYSTEM ()
D
GO TO CAN COMMUNICATION SYSTEM ()
A
REPLACE HEADLIGHT SWIVEL ECU ASSEMBLY ()