Navistar MaxxForce 9

DIAGNOSTICMANUAL
AmericanTruckingAssociation
(ATA)Datalink
AserialdatalinkspeciedbytheAmericanTruckingAssociationandtheSAE.
Boostpressure
1.Thepressureofthechargeairleavingtheturbocharger.
2.Inletmanifoldpressurethatisgreaterthanatmosphericpressure.Obtainedbyturbocharging.
BottomDeadCenter(BDC)
Thelowestpositionofthepistonduringthestroke.
BrakeHorsepower(bhp)
Thepoweroutputfromanengine,nottheindicatedhorsepower.Thepoweroutputofanengine,
sometimes-calledywheelhorsepower,islessthantheindicatedhorsepowerbytheamountoffriction
horsepowerconsumedintheengine.
BrakeHorsepower(bhp)net
Netbrakehorsepowerismeasuredwithallenginecomponents.Thepowerofanenginewhencongured
asafullyequippedengine.(SAEJ1349JUN90)
Calibration
ECMprogrammingstrategytosolveengineperformanceequationsandmakedecisions.Calibration
valuesarestoredinROMandputintotheprocessorduringprogrammingtoallowtheenginetooperate
withincertainparameters.
CamshaftPosition(CMP)
sensor
AmagneticpickupsensorthatprovidestheECMwithacamshaftspeedandpositionsignal.
CarbonMonoxide(CO)
Acolorless,odorless,highlypoisonousgasthatisformedbytheincompletecombustionofcarbonburning
dieselengine.Itispresentintheexhaustgasesofdieselengines.
Catalyst
Asubstancethatproducesachemicalreactionwithoutundergoingachemicalchangeitself.
Catalyticconverter
Anantipollutiondeviceintheexhaustsystemthatcontainsacatalystforchemicallyconvertingsome
pollutantsintheexhaustgases(carbonmonoxide,unburnedhydrocarbons,andoxidesofnitrogen)into
harmlesscompounds.
Chargeair
Dense,pressurized,heatedairdischargedfromtheturbocharger.
ChargeAirCooler(CAC)
SeeAftercooler.
ChargeAirOutletT emperature
(CACOT)sensor
Athermistorsensorthatmonitorsthetemperatureofchargeairenteringtheintakeairduct.
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