POWER TILT AND POWER TELESCOPIC STEERING COLUMN SYSTEM, Diagnostic DTC:B2621

DTC Code DTC Name
B2621 Communication Interruption

DESCRIPTION

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

  • CAN communication system

  • Multiplex tilt and telescopic ECU

INSPECTION PROCEDURE

PROCEDURE


  1. CHECK DTC (CAN COMMUNICATION SYSTEM)


    1. Check for DTCs of the CAN communication system.

      for LHD with Entry and Start System:

      Refer to the following procedures Click here.

      for RHD with Entry and Start System:

      Refer to the following procedures Click here.

      Result
      Result Proceed to
      DTC is not output. A
      DTC is output. for LHD with Entry and Start System B
      for RHD with Entry and Start System C

    B

    GO TO CAN COMMUNICATION SYSTEM (HOW TO PROCEED WITH TROUBLESHOOTING) Click here

    C

    GO TO CAN COMMUNICATION SYSTEM (HOW TO PROCEED WITH TROUBLESHOOTING) Click here

    A

    REPLACE MULTIPLEX TILT AND TELESCOPIC ECU Click here