Dtc B2085 Communication Error From Driving Support Ecu To Vsc Ecu


DESCRIPTION

INSPECTION PROCEDURE

CHECK CAN COMMUNICATION SYSTEM

CHECK FOR DTC

DTC B2085 Communication Error from Driving Support ECU to VSC ECU


DESCRIPTION

The circuit consists of the driving support ECU, skid control ECU and seat belt control ECU. DTC B2085 is stored when the seat belt control ECU detects an interruption in CAN communication between the driving support ECU and skid control ECU.

DTC Code
DTC Detection Condition
Trouble Area
B2085
The skid control ECU detects an interruption in CAN communication between the driving support ECU and skid control ECU for 1 second or more.
  1. CAN communication system
  2. Seat belt control ECU

INSPECTION PROCEDURE

1.CHECK CAN COMMUNICATION SYSTEM

  1. Select "Bus Check" from the "System Select" screen on the intelligent tester.

  1. Select "Communication Malfunction DTC" from the "Bus Check" screen, and then select "Enter".

    Result
    Result
    		Proceed to
    CAN DTC is not output
    		A
    CAN DTC is output (for LHD with Entry and Start System)
    		B
    CAN DTC is output (for LHD without Entry and Start System)
    		C
    CAN DTC is output (for RHD with Entry and Start System)
    		D
    CAN DTC is output (for RHD without Entry and Start System)
    		E



B
GO TO CAN COMMUNICATION SYSTEM (LandCruiser RM000000WIB0ECX.html)

C
GO TO CAN COMMUNICATION SYSTEM (LandCruiser RM000000WIB0EDX.html)

D
GO TO CAN COMMUNICATION SYSTEM (LandCruiser RM000000WIB0EEX.html)

E
GO TO CAN COMMUNICATION SYSTEM (LandCruiser RM000000WIB0EFX.html)
A


2.CHECK FOR DTC

  1. Clear the DTCs (LandCruiser RM0000043K500GX.html).

  1. Check for DTCs (LandCruiser RM0000043K500GX.html).

    OK:
    DTC B2085 is not output.


NG
REPLACE SEAT BELT CONTROL ECU (LandCruiser RM000003UX700KX.html)
OK

USE SIMULATION METHOD TO CHECK (LandCruiser RM000003YMJ00XX.html)