总目录:(单击下方链接皆可跳转至专栏总目录)
《UDS/OBD诊断&诊断描述文件CDD》总目录
https://blog.youkuaiyun.com/qfmzhu/article/details/120425660
目录
D.2 DTCStatusMask和statusOfDTC bit定义
D.2.2 Pseudocode data dictionary伪代码数据字典
D.2.3.2 Bit 1:testFailedThisOperationCycle
D.2.3.5 Bit 4:testNotCompletedSinceLastClear
D.2.3.6 Bit 5:testFailedSinceLastClear
D.2.3.7 Bit 6:testNotCompletedThisOperationCycle
D.2.3.8 Bit 7:warningIndicatorRequested
D.2 DTCStatusMask和statusOfDTC bit定义
D.2.1 约定和定义

D.2.2 Pseudocode data dictionary伪代码数据字典

D.2.3 DTC status bit定义
D.2.3.1 Bit 0:testFailed

D.2.3.2 Bit 1:testFailedThisOperationCycle
D.2.3.3 Bit 2:pendingDTC

D.2.3.4 Bit 3:confirmedDTC


D.2.3.5 Bit 4:testNotCompletedSinceLastClear
D.2.3.6 Bit 5:testFailedSinceLastClear

D.2.3.7 Bit 6:testNotCompletedThisOperationCycle

D.2.3.8 Bit 7:warningIndicatorRequested

D.2.4 DTC status bit运行示例


关键字:
ReadDTCInformation
clearDiagnosticInformation
DTCStatusMask
statusOfDTC
TestFailed
Test Sample
PreFailed
Monitoring cycle
Operation Cycle运行周期
Confirmation Threshold确认阈值
Aging Threshold老化阈值
Driving cycle驾驶循环/周期
Monitor Level Enable Conditions
DTC Status Update Condition
DTC Storage Condition
testFailed
testFailedThisOperationCycle
pendingDTC
confirmedDTC
testNotCompletedSinceLastClear
testFailedSinceLastClear
testNotCompletedThisOperationCycle
warningIndicatorRequested
DTC status bit
结尾


本文详细解析了UDS/OBD诊断中DTC状态位的定义及其作用,包括testFailed、pendingDTC等关键状态位的具体含义,并介绍了如何通过这些状态位来判断车辆故障情况。
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