B2621

DTC B2621 Communication Interruption

DESCRIPTION
The multiplex tilt & 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 (periodical signal) onto the communication bus on a regular schedule. The multiplex tilt & telescopic ECU detects the connection of each ECU based on the signal.

B2621:

INSPECTION PROCEDURE

Steps 1-2(Part 1):

Steps 2(Part 2)-4:

Step 5: