APEXi S-AFCII (SAFC 2) User manual

1
SUPER
AIRFLOW CONVERT ER
SUPERAIRFLOWCONVERTER
INSTRUCTIONMANUAL
ThankyouforpurchasingtheAPEXERA
Super Airflow Converter.  Please read
throughthisInstructionManualtooper-
atethisproductcorrectlyandkeepit
neartheproductsothatyoumayrefer
toitwhenevernecessary.Ifyoutrans-
fertheproducttoanothercustomer,be
sure to attach this Instruction Manual
andthewarrantytotheproduct.
ＳＵＰＥＲＡＦＣⅡ
４０１−Ａ９１１／４０１−Ａ９１３
Carmodelsmentionedinthewiringdiagrambymodel
Airflow/pressuresensorsignaladjustment
Productname
Productcode
Applicablecarmodels
Application

2
Contents
Chapter１Introduction
SafetyPrecautions__________________________________________________________ ４
FeaturesofthisProduct _____________________________________________________ ６
NamesandFunctionsofParts ________________________________________________ ８
Partslist...............................................................................................................８
Namesofparts .....................................................................................................８
Meaningsofoperationsymbolsappearinginthisdocument.....................................８
Chapter２InitialSetup
ProcedurebeforeUsingThisProduct__________________________________________ １２
Performinitialsetup. _______________________________________________________ １３
Settingthesensortypeandsensornumber【ＳｅｎｓｏｒＴｙｐｅ】..........................................１３
Settingthenumberofcylinders【ＣａｒＳｅｌｅｃｔ】.................................................... １３
Checkingthethrottlesensorvoltage【Ｓｅｎｓｏｒｃｈｋ】 ............................................ １３
Settingthethrottlesensortype【ＣａｒＳｅｌｅｃｔ】.................................................... １３
Learningthethrottleopening.............................................................................. １３
Correctingtheknockingsignal【ＫｎｋＳｅｔ】..........................................................１３
Chapter３OutlineofOperatingMethod
OutlineofFunctionsandOperatingMethod_____________________________________ １６
FunctionsandOperationsinmonitormode_____________________________________ １８
FunctionsandOperationsinthesettingmode __________________________________ １９
FunctionsandOperationsintheetc,mode______________________________________ １９
Chapter４MonitorMode【Ｍｏｎｉｔｏｒ Ｍｅｎｕ】
ChannelSelect【１Ｃｈａｎｎｅｌ】〜【４Ｃｈａｎｎｅｌ】 ２２
AplotdisplayismadebyusingtheRPMfortheaxis.【Ｒｅｖ.-[Ｙ]】２７
Chapter５SettingMode【Ｓｅｔｔｉｎｇ Ｍｅｎｕ】
Aircorrectionfactorsetting（Throttleopening,large）【Ｈｉ-Ｔｈｒｔｌ】３０
Aircorrectionfactorsetting（Throttleopening,small）【Ｌｏ-Ｔｈｒｔｌ】３０
Throttleopeningsetting【ＴＨ-Ｐｏｉｎｔ】 ３２
AircorrectionengineRPMsetting【Ｎｅ-Ｐｏｉｎｔ】３４
Decelerationairupperlimitsetting【Ｄｅｃ.-Ａｉｒ】３６
Knockingsignalcorrection【ＫｎｋＳｅｔ】３８
Datafile【ＤａｔａＦｉｌｅ】４０
Chapter６Etceteras（etc.）Mode【ｅｔｃ．Ｍｅｎｕ】
Sensortypeandsensornumbersetting【ＳｅｎｓｏｒＴｙｐｅ】 ４４
Number-of-cylindersandthrottlesensortypesetting【ＣａｒＳｅｌｅｃｔ】５０
Sensorcheck【Ｓｅｎｓｏｒｃｈｋ】５２
Displayscalesetting【ＤｉｓｐＳｃａｌｅ】５３
Warningsetting【ＷａｒｎｉｎｇＳｅｔ】５４
Passwordsettingandchange【ＰａｓｓＬｏｃｋ】５６
VFDbrightnessadjustment【ＶＦＤＢｒｉｇｈｔ】５８
Programversioncheck【ＰｒｏｇｒａｍＶｅｒ.】５９
Alldatainitialization【Ｉｎｉｔｉａｌｉｚｅ】６０
Troubleshooting ___________________________________________________________ ６２

3
Chapter１ Introduction
SafetyPrecautions___________________________________ ４
FeaturesofthisProduct ______________________________ ６
NamesandFunctionsofParts _________________________ ８
Partslist.................................................................................８
Namesofparts .......................................................................９
Meaningsofoperationsymbolsappearinginthisdocument.....９

4
●Donotusethisproductforanyapplicationotherthanapplicablevehiclesor
applicablegoods.
Weshalldisclaimtheresponsibilityforoperationsinanapplicationotherthantheapplic
ablevehiclesorapplicablegoods.Itwillresultinanunexpectedaccident.

●Ifthisproductgivesoutanyabnormalnoiseoroffensivesmell,stopoperati
ngtheproductimmediately.
Usingtheproductinthisstatuswillresultinanelectricshock,fire,ordamageofelec-
tricparts.Consultthedistributororyournearestbusinessofficeforinformation.

●Donotusethisproductanditsaccessoriesinanywayotherthanspecified
byAʼPEX.
Inthiscase,weshalldisclaimallresponsibilityforanydamageorlosstothecustomer
andthirdpersons.

●Donotturnonand/oroffimmediatelyduringandafteroperatingthekey
Set/recordeddatamaybelost.
SafetyPrecautions
Please read “Safety Precau-
tions” carefully to operate
the  product  with  safety.
Keep the Instruction Manual
inhandandrefertoitwhen-
everneeded.
The Instruction Manual de-
scribes the items that you
mustobservetooperatethe
product without giving any
injury to you, other people
anddamagetoproperty.The
meanings of pictorial indica-
tions (signal words) are as
shown on right.  Please un-
derstand their contents cor-
rectlybeforestartingtoread
thetext.
■Explanationofindications
Thisindicatestheexistenceofpotential
hazardthatwillresultindeathorseri-
ous injury of theoperator or a third
personiftheproductiswronglyoper-
atedindisregardofthisindication.

Thisindicatestheexistenceofpotential
hazardthatwillresult inslight injury
ormediumdamagetotheoperatorora
thirdperson,andthatwillresultinonly
physical damage if the product is
wrongly operated in disregard of this
indication.

Thisindicatesthecontentsofafailure
inobtainingthefullperformanceofthe
product,oraproductfailureorfaulty
functionitemiftheproductiswrongly
operatedindisregardofthisindication.
MeaningIndication
WARNING
！
CAUTION
！
REQUEST
WARNING
！

5
●Thedrivermustnotoperatethisproductduringdriving
Thismayinterferewithdrivingoperations,resultinginanaccident.
●Mountthisproductsecurely.Donotinstallitinanunstableplacethat
mayinterferewithdriving
Thismayinterferewithdriving,resultinginanaccident.

●Wheninstallingtheproduct,removethenegativeterminalofthebattery
beforehand
Afiremaybecausedbyshortcircuitorelectricpartsmaybedamagedorburntout

●Whenremovingacoupler,besuretoholdthecouplerwithoutpullingthe
harness
Iftheharnessispulled,afiremaybecausedbyshortcircuitorelectricpartsmaybe
damagedorburntout

●Besuretoperformwiringinaccordancewiththecontentsdescribedinthe
InstructionManual
Incorrectwiringwillresultinafireorotheraccidents

●Ifanyadjustmentmustbemadeduringactualdriving,takespecialcarenot
tointerferewithothertraffic,observingthetrafficlawsandregulations
Itwillinterferewithdriving,resultinginanaccident
WARNING
！
●Regardingtheinstallationofthisproduct,besurethatitisinstalledbyan
experiencedprofessional
Installingtheproductrequirestechnicalknowledgeandskill.Besurethattheinstaller
installstheunitsecurely

●Donottamper,disassemble,ormodifythisproduct
Thismaycauseanaccident,fire,electricshock,orelectricpartswillbedamagedor
burntout

●Donotdropthisproductorexposeittostrongshock
Thismaycauseamalfunction,therebygivingdamagetotheproductandthevehicle

●Do not operate this product under direct sunlight or in high-temperature
vehicleinteriorsthatarenotair-conditionedinthesummerseason
Amalfunctionwillbecaused,therebygivingdamagetotheproductandthevehicle

●Donotinstalltheproductinahigh-temperatureplaceorinaplaceexposed
todirectwater
Itwillcauseanelectricshockorfire,orelectricpartswillbedamaged.Themalfunction
maydamagethevehicle
CAUTION
！

6
FeaturesofthisProduct
TheSUPERAFCIIisafueladjustmentcontrollerinwhichtheairflowsensorsignalorthep
ressuresensorsignalcanbemodifiedina12pointRPMrangeby1%incrementstoincreas
e/decreasefuelinarangeof＋50%to−50%.TheRPMtobecorrectedcanbeoptionallyse
tin200RPMincrements,andcorrectionscanbemadeaccordingtothrottleopeningamoun
ts.Inaturboequippedvehiclewithahotwiretypeairflowmeter,thiscontrollerprovidesa
preventivefunctionforenginestallduetoblow-backduringthrottlereturn.Thecontroller,
whichincludesaknockingmeter,allowsthemonitoringofknocklevelscheckkeepingtheen
gineunderitsoptimumconditionatalltimes.(Vehiclemusthaveafactoryknocksensor)
●Thisproductcannotbeusedforanyapplicationotherthanthevehicles
mentionedintheseparateVehicleSpecificApplicationCharts
●Notethatnoiseinterferencemaybecausedtoradio,TV,etc.depending
onthemountinglocationofthisproductandtheroutingofthe signal
harness
●ThisproductgeneratesheatinthepowerONstatus.Thisisnotabnormal
CAUTION
！
■Unconventionallargescreenmonitorusingahigh-brightnessVFD
Thefuturisticfrontfaceofthisunitusesthelargescreen,high-brightnessandeasyto
readVFD(VacuumFluorescentDisplay)
Use of the dot-matrix large screen monitor allows the displaying several types of
informationsimultaneously.Displayvariationsarenotlimitedtoonlynumericvalue
display,butalsographdisplay,analogdisplay,andothervariousdisplaysareshown.
Thisallowsthedrivertorecognizeimportantinformationinaninstant

■Utilizesathincaseandsinglebutton
Athincaseof52mm(L)×126mm(W)×18mm(D)(Minimum)hasbeenachievedbyop
timizationofthecircuitboardandcasedesign.Theproductcanbeeasilyinstalledont
hesteeringcolumnordashboard.Sincethereisnoseparateunitbesidesthemainunit
itisnotnecessarytosecureaplaceforinstallinganyseparateunit.Usinga4-direction
switchwithacenterpushbuttonandarotaryswitchgetsridofthebutton-to-button
distanceandpermitsquickoperations,therebyprovidingefficientoperationoftheunit

■Battery-lessmemorythatcankeepinitialsetupdatainthememoryevenif
thevehiclebatteryisdisconnected
WiththeuseoftheEEPROM,theinitialsetupdataisnotlostunlessinitializationisperf
ormed,evenifthepowersupplyisturnedofforthevehiclebatteryisdisconnected.The
settingdata,suchaspeakvalueandcorrectionvalue,isneverlost.Accordingly,ifthe
vehiclebatteryisdisconnectedforserviceinspection,initialsetupandsettingsdonot
needtobeperformedagainandthedatahistoryisnotlost

7
■Storingtwopatternsofsettingdatainthememory
Twopatternsofsettingdataincludingaircorrectionfactor,throttleopening,aircorrecti
onenginerevolutionspeed,decelerationairupperlimit,etc.canbestoredinthememory.
Therearetwofilesthatcanbestoredinthememory.Thesettingdatacanbeselectedi
naninstantaccordingtoeachdrivingstagesuchascircuitdriving,towndriving,andwi
ndingdriving.Whendrivingonthesamestage,twopatternsofsettingdatacanbecom
pared.Thesepatternsofsettingdatacanbeusedforvariouspurposes
■Settingdisablefunctionbypassword
Ifthesettingdataorinitialsetpointsarechangedbymisoperationormischief,thecarc
onditionmaybedeteriorated,orintheworstcase,theenginemaybedamaged.IntheS
AFC2II,whentheusersetsapasswordoptionally,changingthesettingdataorinitialse
tupitemsisdisabled
■Warningfunctiontomakehazardknown
Itispossibletosetwarningvaluesfortheairflowusingratio,suctiontubepressure,Kar
manswirlsensorfrequency,knocking,andenginerevolutionspeed
Wheneachitemisset,thecarconditioncanbepreciselyjudged.Thesettingfortheeng
inespeedcanalsobeusedasashifttimingpoint
◆Knocking
Spontaneousignitioniscausedbytheheatandpressureofmixedairintheburning
portionofnon-combustiongasfarfromtheplugandtheheatofcombustionchamber
wall,sothatthegasinthewholecombustionchambergenerateshigh-pressurewaves
momentarily.Inthisphenomenon,strongmetallicnoiseisoutputfromtheengineunlike
carknockingbywhichthecarbodybecomesjerky,withtheresultthatthevalveis
damagedandthepistonisseized,therebygivingfataldamagetotheengine.
As countermeasures, fuel adjustment, ignition timing adjustment, compression ratio
adjustment,improvementofintake-sidesquisharea,useofmirrortypecombustionroom
wall,andprofileimprovementoftheexhaust-sidecamshaftcanbementioned
●Duringdriving,thedrivermustnotoperatethisproductinanycase
Itwillinterferewithdrivingoperationsorresultinanaccident
●Ongeneralpublicroads,observetheroadandtrafficlawtodrivethe
carcarefully
WARNING
！

8
NamesandFunctionsofParts
■Partslist
Beforeinstallingthisproduct,besuretocheckthepartslisttoconfirmthattherearenot
anyforeignormissingparts.Ifanydifferenceisfoundbetweentheactualpartsandthe
partslist,pleasecontactthedealerofpurchase.

1.Mainunit 2.Instruction manual(Operation part)3.Wiringdiagrambymodel4.Collection of setting data
5.Operationtransitiondiagram 6.Signalharness 7.Splittingharness 8.Plug
9.Malesleeve 10.Plugreceptacle
１unit １volume(thisdocument) 1volume 1volume
1sheet 1piece 1piece
4pieces 4pieces 4pieces
11.Femalesleeve
SUPER
AIRFLOW CONVERT ER
6pieces
12.Splice
1pieces
13.Mountingstay




4pieces

INSTRUCTIONMANUAL
WIRING DIAGRAMBY MODEL
COLLECTION OF SETTING DATA 

9
●Popupmenu
Whenyoupressthecenterpushbutton,thepopupmenushownat
rightappears.Theselectedportionwillappearasareversedisplay.
Makeaselectionbytheupper/lower/left/rightpartofthecenter
switchanddecidetheselectionbypushingthecenterpushbutton
Themeaningsofalphabeticcharactersareasfollows
Ｔｐ［ＴＯＰ］ ...... Gobacktothemainmenu
Ｎｘ［ＮＥＸＴ］ ..... Gotothenext
Ｐｒ［ＰＲＥＶＩＯＵＳ］.Gobacktotheprevious
Ｃｎ［ＣＡＮＣＥＬ］ .. Cancelthepopupmenu
Ｎｘ
Example) Pressthecenterpushbuttonandselect[Nx]in
thepopupmenu
4-direction switch with a
centerpushbutton
Rotaryswitch
SUPER
AIRFLOW CONVERT ER
Opticalsensor
(CDSsensor)
VFDdisplaysection
■Namesofparts
■Meaningsofoperationsymbolsappearinginthisdocument
※Presstherightpartofthe
centerswitch
※Presstheupperpartofthecenter
switch
※Presstheleftpartofthecenter
switch
※Pressthelowerpartofthe
centerswitch
※Pressthecenterpushbutton
※Turntherotaryswitchcounterclockwiseorclockwise
Whentherotaryswitchisturnedclockwise,thenumericvalueshiftsinthe
positivedirectionorthecursormovesupward.
Whentherotaryswitchisturnedcounterclockwise,thenumericvalueshiftsin
thenegativedirectionandthecursormovesdownward.Theupper/lowerpart
ofthecenterswitchhasthesamefunctionastherotaryswitch

10