Страница 1 мировой engineering стандарты общая спецификация

8.18.2.2 Request Message Definition - $Level $81 (readStatusOfDTCByStatusMask) (Table 173).
Table 173: ReadDiagnosticInformation(readStatusOfDTCByStatusMask) Request Message
Data Byte Parameter Name
Cvt Hex Value Mnemonic
#1
ReadDiagnosticInformation Request Service Id
M
A9
SIDRQ
#2
sub-function = [
readStatusOfDTCByStatusMask ]
M
81
LEV_
RSDTCBS
#3
DTCMaskRecord = [
DTCStatusMask ]
M
xx
DTCMREC_
DTCSM
8.18.2.3 Request Message Definition - $Level $82 (sendOnChangeDTCCount) (Table 174).
Table 174: ReadDiagnosticInformation(sendOnChangeDTCCount) Request Message
Data Byte Parameter Name
Cvt Hex Value Mnemonic
#1
ReadDiagnosticInformation Request Service Id
M
A9
SIDRQ
#2
sub-function = [
sendOnChangeDTCCount ]
M
82
LEV_
SOCDTCC
#3
DTCMaskRecord = [
DTCStatusMask ]
M
xx
DTCMREC_
DTCSM
8.18.2.4 Request Message Sub-Function Parameter $Level (LEV_) Definition. 
The following definitions
apply to the sub-function levels of operation for service $A9 ReadDiagnosticInformation. All other sub-function
values are reserved for future definition within this specification. Future enhancements to this service, which
require UUDT responses, shall have sub-function parameter levels within the range from $80 thru $8F as this
range of UUDT responses are reserved for this service. See Table 175.
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GM WORLDWIDE ENGINEERING STANDARDS
GMW3110
Table 175: Definition of Sub-function Values
Hex Definition
Cvt
80
readStatusOfDTCByDTCNumber
Allows a tester to read DTC status information from a node or group of nodes for a tester
defined DTC number and FailureType combination.
C
81