B2621 Periodical signal from the specified ECU has stopped.
Diagnostic trouble codes
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 this signal.| DTC No. |
Detection Item |
Trouble Area |
| B2621 |
Periodical signal from the specified ECU has stopped. |
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INSPECTION PROCEDURE
| 1. CHECK MULTIPLEX COMMUNICATION SYSTEM(BEAN) |
Using the intelligent tester, check for DTCs and confirm that there are no problems in the multiplex communication system (BEAN).
- OK:
- DTCs are not output.
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| OK | ||
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