Output, Description – National Instruments CAN 372139B-01 User Manual
Page 108
Chapter 5
Automotive Diagnostic Command Set API for LabVIEW
Automotive Diagnostic Command Set User Manual
5-82
ni.com
code is the error code number identifying an error. A value of 0
means success. A negative value means error: the VI did not
execute the intended operation. A positive value means warning:
the VI executed intended operation, but an informational warning
is returned. For a description of the code, wire the error cluster to
a LabVIEW error-handling VI, such as the Simple Error
Handler.
source identifies the VI where the error occurred.
Output
diag ref out is a copy of diag ref in. You can wire it to subsequent
diagnostic VIs.
success? indicates successful receipt of a positive response message for
this diagnostic service.
error out describes error conditions. If the error in cluster indicated an
error, the error out cluster contains the same information. Otherwise,
error out describes the error status of this VI.
status is TRUE if an error occurred.
code is the error code number identifying an error. A value of 0
means success. A negative value means error: the VI did not
execute the intended operation. A positive value means warning:
the VI executed intended operation, but an informational warning
is returned. For a description of the code, wire the error cluster to
a LabVIEW error-handling VI, such as the Simple Error
Handler.
source identifies the VI where the error occurred.
Description
This VI executes the UDS CommunicationControl service and switches transmission and/or
reception of the normal communication messages (usually CAN messages) on or off. The
type and communication type parameters are vehicle manufacturer specific (one OEM may
disable the transmission only, while another OEM may disable the transmission and the
reception based on vehicle manufacturer specific needs). The request is either transmitted
functionally addressed to all ECUs with a single request message, or transmitted physically
addressed to each ECU in a separate request message.