Siemens VDO DTCO 1381 Technical Description page 253

Events and faults
DTCO 1381 display
Picto. AP Error text
1)
These warning messages will be displayed repetitively every hour until the cause is withdrawn.
2)
These warning messages are not saved in the date memory during calibration mode.
Edition 07/2007
MC Error code Meaning, cause and measures
4000003000 Fault at v-pulse output (B7).
Possible causes
•
•
•
Measures
– Check whether the attached control device actively mon-
– Check output "B7" on DTCO 1381, if necessary deactivate
– Check the connection cable between the DTCO 1381 and
– Check the connected control device (input).
Replace any defective components.
4000000A70 Other CAN fault, message of the CAN controller, such as no
participant, no acknowledgement, etc.
Measures
– Check the function / configuration of the DTCO 1381,
– Check the power supply (term. 30, 15, and 31) of the
– Check the timing behavior of the CAN participants at ter-
– Check bus medium, use a CAN analysis tool if needed.
Comment
Monitoring of this fault depends on the configuration of the
DTCO 1381:
•
•
The DTCO 1381 may not be the cause of the error.
Technical Description DTCO 1381
13.4 Messages and troubleshooting measures
The connection cable between the DTCO 1381 and the
attached control device is defective.
Attached control device at output "B7" is defective.
Output "B7" on DTCO 1381 is defective.
itors the line and deactivate if necessary.
B7 monitoring.
the attached control device:
a) Short circuit after ground?
b) Short circuit after + U ?
B
correct if necessary.
CAN participants.
minal 15 "on" or "off".
Monitoring of this fault can be activated or deactivated
(CANEVCfg).
The fault can be suppressed for a certain period after
ignition "on" (ErrorManagementInitialisationInhibit).
1)
2)
1)
2)
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