B2621
STEERING COLUMN: POWER TILT AND POWER TELESCOPIC STEERING COLUMN SYSTEM: B2621: Communication Interruption
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) onto the CAN communication bus on a regular schedule. The multiplex tilt and telescopic ECU detects the connection of each ECU based on the signal.
INSPECTION PROCEDURE
PROCEDURE
1. CHECK OTHER DTC OUTPUT (CAN COMMUNICATION SYSTEM)
(a) Check if CAN communication system DTC is output Diagnosis System.
Result:
B -- GO TO CAN COMMUNICATION SYSTEM How to Proceed With Troubleshooting
A -- REPLACE MULTIPLEX TILT AND TELESCOPIC ECU Removal