Dtc B2621 Communication Interruption

Steering. Land Cruiser. Urj200, 202 Grj200 Vdj200
Steering Column. Land Cruiser. Urj200, 202 Grj200 Vdj200

DESCRIPTION

INSPECTION PROCEDURE

CHECK DTC (CAN COMMUNICATION SYSTEM)

DTC B2621 Communication Interruption


DESCRIPTION

The multiplex tilt and telescopic ECU forms a network with the ECUs of other systems through the communication bus. Each ECU informs the other ECUs that it is connected to the network by outputting a specified signal (periodic signal) to the communication bus on a regular schedule. The multiplex tilt and telescopic ECU detects the connection of each ECU based on the signal.

DTC Code
Detection Condition
Trouble Area
B2621
The periodic signal from a specified ECU has stopped.
  1. CAN communication system
  2. Multiplex tilt and telescopic ECU

INSPECTION PROCEDURE

1.CHECK DTC (CAN COMMUNICATION SYSTEM)

  1. Check for DTCs of the CAN communication system (for LHD: Click here, for RHD: Click here).

    Result
    Result
    		Proceed to
    DTC is not output
    		A
    for LHD:
    DTC is output
    		B
    for RHD:
    DTC is output
    		C



B
GO TO CAN COMMUNICATION SYSTEM (DIAGNOSTIC TROUBLE CODE CHART) (Click here)

C
GO TO CAN COMMUNICATION SYSTEM (DIAGNOSTIC TROUBLE CODE CHART) (Click here)
A

REPLACE MULTIPLEX TILT AND TELESCOPIC ECU (Click here)