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Chapter 6 Automotive Diagnostic Command Set API for C
Automotive Diagnostic Command Set User Manual 6-90 ni.com
Return Value
The return value indicates the function call status as a signed 32-bit integer. Zero means the
function executed successfully. A negative value specifies an error, which means the function
did not perform the expected behavior. A positive value specifies a warning, which means the
function performed as expected, but a condition arose that may require attention.
Use the
ndStatusToString function to obtain a descriptive string for the return value.
Description
This function requests memory data from the ECU identified by the address and size
parameters. The
dataOut format and definition are vehicle manufacturer specific. dataOut
includes analog input and output signals, digital input and output signals, internal data, and
system status information if the ECU supports them.
For further details about this service, refer to the ISO 15765-3 standard.