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Chapter 5 Automotive Diagnostic Command Set API for LabVIEW
© National Instruments Corporation 5-119 Automotive Diagnostic Command Set User Manual
OBD (On-Board Diagnostics) Services
OBD Clear Emission Related Diagnostic Information.vi
Purpose
Executes the OBD Clear Emission Related Diagnostic Information service. Clears
emission-related Diagnostic Trouble Codes (DTCs) in the ECU.
Format
Input
diag ref in specifies the diagnostic session handle, obtained from Open
Diagnostic.vi and wired through subsequent diagnostic VIs. Normally, it is
not necessary to manually manipulate the elements of this cluster.
error in is a cluster that describes error conditions occurring before the VI
executes. If an error has already occurred, the VI returns the value of the
error in cluster to error out.
status is TRUE if an error occurred. This VI is not executed when
status is TRUE.
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.