Navistar N10

121DIAGNOSTICTROUBLESHOOTINGPROCEDURES
SPNFMISub-sectionConditionDescription
1100EWPS(page1210)EngineCoolingSystemaboveCriticalT emperature
1102ECT1(page1033)ECT1signalerratic,intermittent,orincorrect
1103ECT1(page1033)ECT1signalOutofRangeHIGH
1104ECT1(page1033)ECT1signalOutofRangeLOW
11015EWPS(page1210)EngineCoolingSystemaboveWarningTemperature
11016EWPS(page1210)ECT1stuckinrangeHigh
11017ECT1(page1033)ECT1stuckinrangeLow
11018ECT1(page1033)EngineCoolantSystemBelowclosedloopminimum
temperature
1111EWPS(page1210)ECLbelowWarning/CriticalLevel
1112EWPS(page1210)ECLsignalerratic,intermittent,orincorrect
1320MAF(page1782)EngineIntakeAirMassFlowRateHigh
1321MAF(page1782)EngineIntakeAirMassFlowRateLow
1324MAF(page1782)MAFsignalOutofRangeLOW
13211MAF(page1782)MAFSensorCalibration–Insufcientnumberofdatapoints
13213MAF(page1782)MAFSensorCalibrationNeeded
13214MAF(page1782)MAFSensorCalibrationFailed
13231MAF(page1782)MAFFrequencyoutofrangeHIGH
15815ECM(page1000)BatteryVoltageabove16volts
15817ECM(page1000)BatteryVoltagebelow9volts
1640ICP(page1286)ICPaboveKOEOSpec
1641ICP(page1286)ICPUnabletoBuildDuringEngineCranking
1643ICP(page1286)ICPsignalOutofRangeHIGH
1644ICP(page1286)ICPsignalOutofRangeLOW
16415ICP(page1286)ICPtoohighduringtest
16416ICP(page1286)ICPabovedesiredlevel
16417ICP(page1286)ICPunabletobuildduringtest
16418ICP(page1286)ICPbelowdesiredlevel
1712AAT(page143)AATsignalerratic,intermittent,orincorrect
1713AAT(page143)AATSignalOutofRangeHIGH
1714AAT(page143)AATSignalOutofRangeLOW
1722MAF(page1782)IATSignalErratic,Intermittent,orIncorrect
1723MAF(page1782)IATsignalOutofRangeHIGH
1724MAF(page1782)IATSignalOutofRangeLOW
1732EGT(page1115)EGTsignalerratic,intermittent,orincorrect
1733EGT(page1115)EGTsignalOutofRangeHIGH