fault code-obd故障代碼表 - weichai

1、Number序號Component Component部件DFC nameDFC名稱English discription英文解釋Chinesediscription中文解釋1 Crankshaft signal曲軸信號DFC_EpmCrSNoSig The crankshaft signal sensor detect no signal 曲軸信號缺失2DFC_EpmCrSErrSig DFC for crankshaft s

2、ignal diagnose - disturbed signal 曲軸傳感器信號 錯誤 3 Camshaft signal凸輪軸信號DFC_EpmCaSI1NoSig DFC for camshaft signal diagnose - no signal 凸輪軸信號缺失4DFC_EpmCaSI1ErrSig DFC for camshaft signal diagnose - disturbed signal 凸輪軸傳感器信

3、 號錯誤 5Oil pressure sensor機(jī)油壓力傳感器DFC_OilPSwmpPhysRngHi Diagnostic Fault Check for oil pressure physical signalabove maximum limit機(jī)油壓力值過大6DFC_OilPSwmpPhysRngLo Diagnostic Fault Check for oil pressure physical signalbel

4、ow minimum limit機(jī)油壓力值過低7DFC_OilPSwmpSRCMax Diagnostic Fault Check for Signal above maximum limit 機(jī)油壓力電壓信 號超上限 8DFC_OilPSwmpSRCMin Diagnostic Fault Check for Signal below minimum limit 機(jī)油壓力電壓信 號低下限 9Coolant temperatur

5、e sensor冷卻液溫度傳感器DFC_CEngDsTPhysRngHi Diagnostic Fault Check for Physical Signal above maximumlimit發(fā)動機(jī)冷卻液溫 度超上限 10DFC_CEngDsTPhysRngLo Diagnostic Fault Check for Physical Signal below minimumlimit發(fā)動機(jī)冷卻熱溫 度低下限 11DFC_CE

6、ngDsTSRCMax The engine coolant temperature sensor disconnect (downstream)發(fā)動機(jī)冷卻液溫 度原始電壓高于 上限 12DFC_CEngDsTSRCMin SRC low for Engine coolant temperature(down stream) 發(fā)動機(jī)冷卻液溫 度原始電壓低于 下限 13DFC_CEngDsTVDPlaus Diagnostic

7、 fault check for stuck in range high plausibilitytest發(fā)動機(jī)水溫傳感器不可信（VD虛擬值） 14DFC_CEngDsTAbsTst Defect fault check for Absolute plausibilitytest發(fā)動機(jī)水溫穩(wěn)態(tài) 不可信 15DFC_CEngDsTDynTst Defect fault check for dynamic plausibilitytest發(fā)

8、動機(jī)水溫動態(tài) 不可信 16Oil temperature sensor機(jī)油溫度傳感器DFC_OilTPhysRngHi Diagnostic Fault Check for Physical Signal above maximumlimit機(jī)油壓力物理信 號值高于上限 17DFC_OilTPhysRngLo Diagnostic Fault Check for Physical Signal below minimumlimi

9、t機(jī)油壓力物理信 號值低于下限 18DFC_OilTSRCMax Diagnostic fault check for high signal range check 機(jī)油溫度電壓信 號高于上限 19DFC_OilTSRCMin Diagnostic fault check for low signal range check 機(jī)油溫度電壓信 號低于下限 20Main relay主繼電器DFC_ARlyExtRlyLS1OL

10、 OPEN load error at low side power stage of the externalactuator relay主繼電器低端暫 無負(fù)載45DFC_IVDiaCylShCir_1 general short circuit 噴油器2短路46DFC_IVDiaCylShCir_2 general short circuit 噴油器3短路47DFC_IVDiaCylShCir_3 general sho

11、rt circuit 噴油器4短路48DFC_IVDiaCylShCir_4 general short circuit 噴油器5短路49DFC_IVDiaCylShCir_5 general short circuit 噴油器6短路50Metering unit油量計(jì)量單元DFC_MeUnShCirHSBatt short circuit to battery in the high side of the MeUn 油量計(jì)量

12、單元高 端對電源短路 51DFC_MeUnShCirHSGnd short circuit to ground in the high side of the MeUn 油量計(jì)量單元高 端對地短路 52DFC_MeUnShCirLSBatt short circuit to battery of metering unit output 油量計(jì)量單元低 端驅(qū)動對電源短 路 53DFC_MeUnShCirLSGnd short

13、 circuit to ground of metering unit output 油量計(jì)量單元低 端驅(qū)動對地短路 54DFC_MeUnOL open load of metering unit output 油量計(jì)量單元開 路 55DFC_MeUnSRCMax signal range check high error of metering unit AD channel 油量計(jì)量單元電 流反饋電壓信號 高于上限 56DF

14、C_MeUnSRCMin signal range check low error of metering unit AD channel 油量計(jì)量單元電 流反饋電壓信號 低于下限 57PRVDFC_PRVFrOpnPresInc pressure relief valve is forced to open; perform pressureincrease軌壓過大導(dǎo)致限 壓閥打開 58DFC_PRVFrOpnPresShck

15、 pressure relief valve is forced to open; perform pressureshock軌壓振蕩導(dǎo)致限 壓閥打開 59DFC_PRVOpn pressure relief valve is open 限壓閥打開60DFC_PRVRPOutOfRng Averaged rail pressure is outside the expected tolerancerange平均軌壓超出容 許

16、范圍 61Rail pressure control軌壓控制DFC_RailMeUn0 maximum positive deviation of rail pressure exceeded 軌壓控制器正向 偏差高于上限 62DFC_RailMeUn10 leakage is detected based on fuel quantity balance 高壓油泵泵油量 高于上限，有泄 漏 63DFC_RailMeUn13

17、 Rail pressure monitor for rail pressure deviation 軌壓偏差監(jiān)測64DFC_RailMeUn2 The rail pressure difference below the minimum offset 小泵油量下軌壓 控制器負(fù)向偏差 高于第一階段限 值65DFC_RailMeUn22 maximum negative rail pressure deviation with m

18、etering uniton lower limit is exceeded(second stage)小泵油量下軌壓 控制器負(fù)向偏差 高于第二階段限 值66DFC_RailMeUn3 minimum rail pressure exceeded 軌壓低于下限67DFC_RailMeUn4 maximum rail pressure exceeded 軌壓高于第一階 段限值 68DFC_RailMeUn42 maximum