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566 views121 pages

File - PHP Id 13495

Uploaded by

Игорь Басманов
Copyright
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FOR SERVICE TRAINING 4HK1-TC ENGINE -Engine Mechanical Features- -Engine Control System & Diagnosis- ‘Applicable Mod ‘Model Year | Vehicle Modal Maia Market General Export (Euro 3 Regulation) 2005 NPRENOR | cwope, Australia, Thaland South Afica & ele isSuU2U ISUZU MOTORS LIMITED ISU2U Som TE Ege INTRODUCTION & ENGINE MECHANICAL FEATURES ouacco “ancis Tear] The 2008 model year NPRINGR truck, the 4HKT-TC "0 155 iline 4 cylinder engine replaces the 4HEI-TC engine for advanead oxnaust omissicn countries, The 4HKI-TC engine has been newly developed on the basis of previous 4HET-TC engine, with adcitional foatures Including the employment of four valve mechanism per 2 cylinder that are oporatod via a single camshatt ‘common rail fuel injection system, water-cooled exhaust (a5 re-ckeulaion (EGR) system, and the change of combustion chamber form. Tho. larger engine tlsplacement and the common rail fuel injection system have resulted in an inereage both In maximum output and torque, and met Euro 3 emission regulation standard. Most conspicuous itams are listed bolow. Mut fuel injection type highpressure common rail ‘systom and is mado with Denso. Singlo overhead camshaft (OHC) with 4 vanes por a ovine. Eleevieal contol EGR valve, water-cooled EGR ° ooier 2 a “Turbocharger wth ineroaler i There Tome TCS | 7 ALOR TON Sg SO ADIERPH| ITN [Osis SCOR uN FOREARM oscucin sent cat ET ‘The base transmission is MYY for 4HKT-TCN low wo TN || gut nana, ZZ Tor 4HKI-TOS hgh output onging The Smoother system is. avaiable. for only M¥¥ coo | Fansmission| ISU2U NR AHKI-TE Engine 2 Major mechanical changed items ore listed below. Past Stas Descriston of Reason in Conparson wih AHE1-TC Engine [yer Block loranoe Bore sizes upped (110mm io Sinn [4.35 0 853). evarksrat loany-over - eying Haas lonange Four valve pe wa caret pation sensor Rae leyinderHooa Gastar [orange [cyinar eas ie mangas [camenat lenange Four valve ype i emayed [Eamenat Gear lorarge [Seescrs gear yoo 6 employed net vahe [orange Four valve ype i employed [Exmeuct vane lorarae Four vale ype s eneleved [zaNve Serna \onanae Four valve bpa 6 emeleyec Rocker Arn lonange Four vale type is ensloyes [Cynder Head Cover lonanae Four vale ype is employed [resin Gear Trin lonange Fuel system is charged rect jonange [rarkshat postion sensor ng added Fen rte foany-over i yar House lonange Esran al yar enpayd & ernlaat poaion srr [Enane Hanger loraras (cyindarhead and EGR lyaute sane Piston lcrarge nore 2516 wpe [ston Rina loraras Bore 2516 wood [Connsctna Rea loary-over lot Pan [orange (Siler avtch is added [or rum loary-over ot Coster losanoe [Engine sizes changed Fron: Caver loary-over : [ster Pump loany-over - [cooing Fan Caer arte ren) HHKI-TCS: Siz is hangad to imorove periomance [EGR aoe new [Newy aapec EGR Pee lcrarge IEGRajoute changed EGR vale loraras [Becrical conral yee Pov system lcany-over Fur Pume jorarae (Corwen al sysom is encioved (GSE Burs] Inecton Nozze lorarae [Common ra sysiom s encieyed necion Pine loranoe [Common ral system s eneloyed Fuel Poe lonanae (Common ral system ensloyes sake Cust lorarge Layout is changed & boon! pressure senaar ae dled sake Mande lohange Layouts charge! nercoter lonange ‘Sizo 5 wpped Estas Manto [eany-over : Turenraer [orange [Watiocaie valve aataior seta i changed lace lcrange [Steror losry-over [Enane Heroes [oraras (Common ral systems enclaves ISU2U SPR AHK-TC Enginws ENGINE MAIN DATA & SPECIFICATIONS engine Moga aaEnTe aeKITS lenaino Ty50 Oi 1 Four Gye levinder Layout- umber of Cynder Tee Feur yin [rst inecton Over yaae fre x Stroke orm) wogets074aix492 | 1601 1250/450x402 fasovpacc) os 3m [ener aie wo ws Eerron Pers nT Tera aa [ernie consr nee cen brane Ove re sane am [ren Tone ipo Gor | Samer a FR £06 pes | ENED 3 Bs Pare fcc te vr np) | NCES hanertneemee ‘ , rua Fier Tyee [Ganviage Papar Elmont & Water Soparster Watve System Wave Layout Oveihead Vai lorno Ty50 Gear Deve [rake Vatve Open ABDC (deg) 140 180 (rte Vaiva Close ALABDG (G00) sno) Bo lees Vale Open At BDC (den) 80) 480 lecravet Vale Close ALATOC (dog) 160 0 frtsko Vata Gioaranco At Cod (rim) oa [evan Vales Clenrance At Gal on lccoiry Syiers lccoirs Matroa iter Coted jvaer Capacty dite “en ater Pure Type ‘Contuglimpotor Type Friermostat Type |Treemostat Opening Temperatura (dog, C/ dog. War Peiet 2k a5/ 1808 Tas [Lubricating System [uoncatog ened Ful Pow Pressure Gretation ISU2U SR AHK-TC Engine fou Pure Type ear fou capactytzrea) 134) loi Fier Tyee (args Paper Element larcieaner Type Dy Papa Element Leck syeom WO Gel aan Cn! |W Cane ate Conte pov sjaem pon Typ8 Preheating System Gow Pg bering Syston [tartor Mtr Ouout KW) man lorarge sytem mstar Out (VA) 280, 600780 FReaustor Type ic [Batery Se TERA? ISU2U GEAR TRAIN Valve Train SR AHK-TO Engine s ‘To rotato the fuel supply pump with engine speed, idlo gear has changed with three steps, The crankshaft (ear (42 teeth) corresponds with the large diameter of ‘dle gear A (72 testh). The fuel sunply pump gear (25 teoth) corresponds. with tho middle diamotor of Idle gear A (60 teeth). The ile gear B (61 tooth) Corresponds withthe small diametar of idle gear A (30 teeth, Casta Gon (295) Ie Gaur C(2as1) be oor (2-61) Io Gar (Lago) (272) ee Goer pte) (2-60) eo Goer (Smal) 220) us! Supay Purp Goar (2-38) Crankshaft Gear (2942) To_improve exhaust emission and engine output performance, four valve machanism is newly adopted for 4HKi-TC engine. Note thatthe adjustment method of valve clearance has bean changed from 4HK‘-TC tenging as following stops 1. Rotate the crankshall to make the No.1 eyfnder meet ‘the compression top dead center (TDC). There are 2 marks stamped on the crank pulley. The mar (1) is Lod Io ring tho engine No.1 oF No. 4 cyindor to TOC. The mark (2) i melevant, Do not Use the mark (2). SR AHI Engines 2, Loosen filly esch adjusting screw (8) & (2) ofthe brielge ‘and the rocker stm. 3. Insert a 0.4mm (0.016in) thickness gauge betmeen the lp ofthe rocker arm and bridge cap (5), and adjust the clearance with the adjusting screw (3) on the rocker frm, and then fic it with 2 tock mt (8, 4, With a thickness gauge kept inserted, check that the ‘adjusting serew (6) contacts tre valve shaft end and the ‘movement of tho thickness gaugo has bocomo tight vine the adjusting screw (6) on the ondge is tightened fight. 5. Check the valve shaft and on the apposite side floats or it contacts obliquely. In case of a floating or oblicus contact, loosen litle tia adusting screw (6) on the bridge sice and adjust so that tne valve shaft ends on both sides get in contac! propery. Bridge (2) & valve Shaft end elaarance les than 0.1 mn (0.004). 6. After the acjusiment so thatthe end of the valves on both sides touch propery, tghten up te lock nut (7) 00, the beige (8) Note that unless the bridge is kept horizontal, the bridge Is pressed obliquely, thus causing the ordgo ane bridge guide to be sezed or damaged. Therefore, exact diustmont is required. + Valve clearance: 0.4mm (0.016in) intake & exhaust side atcold + Adustng screw lock nut tightening torque: 22Nm (616) At the No.1 cylinder compression top dead center, the valvos with “O" mark in the following table, or ai the No.4 oylinder compression top dead center, the vaive wih °X" mark can ba adjusted, ISU2U NR an Te Engine Fuel Supply Pump Installation 1. Aonly wnt sit othe tp of tefl supply pum gear tooth crecly above the stamped "O° me 2, Rolale the crankshaft 0 the comoression top dead center (TDG). There are 2 mares stamped on the orank pulley The matk (1) is used to bring the enghve No.1 or No. oyinderto TDC. The matk (2)'s aelavant. Do not use tne mark 2) 2. Install the O-ring othe fuel supely pump. 4. Agna sitof the fuel supply pump bracket with 8 white paint on the gear and install the fuel supply pumpin the (est case using the stud Gols asa guide CYLINDER HEAD COVER & HEAD COVER CASE SR AHK-TC Engines 5. Check through the hole 1) that a white paint (2) on the (gear isin te positon shown an the le. + Fiung nut tgntening torque: EONm (371 t) + Fixing bolt ightening torque: 76Nm (58D) ‘Along wih the employment of a common rail type fuol injection system, the head cover is split and housed in a Nowy invoduced head. cover case attached with an intermediate connector forthe injector. The head cover case Is s0 dosignod that itis secured individually to the Cylinder Read with four cols, and further it bghtenes together wih the head ‘cover with nine bots ‘Accordingly, the hesd cover is removable individually regardless of the injector harness, thus enabling easy Inspection and sovvice incuding tho valve ccarance adjustment. 1. Gasket 2 OV Filercao 2. Head Cover Bot 4 Hoad Cover 5 Gasket 6 Head Cover Case 7. Ilernmdte Hariess Connector 8 Cynder Hosd Cover Case Boh 9 Cynder Hooa 10, Gaskst 11. Connector Fng ot ISU2U SUR ALTE Eng ENGINE CONTROL MODULE (ECM) ‘The engine control module (ECM) is located at inside of tengine-side cover on the left via mounting bracket and Is boside the cngino. Tho ECM is mado by Transtton The ECM mainiy conros the folowing + Fuel injection contol + Fuel tming contre! + Exhaust gas recculation (EGR) system control + Preheatng system contrl 1 Exhaust brake contol + Power lake off (PTO) contol + On-board diagnostics for engine control ‘The ECM constantly observes the information from various sensors. The ECM controls the systems that fffect vehicle performance. The ECM performs the lagnostic function of the system. The ECM can recognize operational problems, alert the civer through the malfunction indicator lamp (MIL), and store clagnostic trouble code (DTC). DTC identity tne system fauite fo aid the technician in making repair. This diagnostic apples to intemal microprocessor Intorty conestions within the ECM. The elsctronically frasable programmasie read only memory (EEPROM) memocze learning data and injector ID code data for fengine control and communication wth other contro! module, i Symbol" warns you ofan electric shock hazard. To avoid || | seo an possibie soreus jury, ‘D0 NOT touch the terminals. When disconnecting the hamess connector, {] | aitays tun OFF the ignition wich er disconnect the batiery cable, =) x qa FD | Parts number of each ECM mainly ditfors with folowing contents, + Engine specification (output or torque) + Transmission specification (MYY, MZZ or Smoother) 1 Speed miter application Notice! If the ECM is to be replaced the fuel injector 1D Code Data (24, 0-9 or A-F characters for each fue! injector) MUST be programened into the new ECM Notice This ECM doos not have abiliy of ro‘Nash function by Service Programming System (SPS) via Tech 2 scan 100, NR AMKI-TC Enginet0 ISU2U NR AMK TC Engh ECM Connector Pin Assignment ‘Cade P21 Tagine ae OPI ja ele COREPEE = in Functor ee PaFunton er Pa Functor 7 | Een Paver ae [Noes 6 [Reivoed 2 [an Rao Voge aa [ Nexus oe [Rar Uiwa 3 [EcM Power are a | Noes 7 [Nei eed + [EoM Power wre at | Nees = [Net oed| 3 [an Rao Vargo ae [Nxtes oo [Rar iea otra raeaTTATETA a | nagar Swan roa cana] wo | NESTE SARC Seich ipa Spe cn | APP Sencar 2 BAO Soa, 7 [emus Biate tay consol |] 54 [Ac sien pa Sp APP Sensar 2 SARC 7 Ts fai w lenrsorra o [nosed ae [ete [APP Sear Tp Sona {© | Gow Ps Ray Coro ar [canton Sara ca | APP Sancar2rpat Sona 11 | Gow tdeatorLono Conrar[| 28 [Koywor'00 eraibats [| 66 [Net Uoed 1 [Norues aa [per Semr2 she [ke Up Sanaor pik Sia 7 [Notes 70 [Me asyPovor Sippy [| 67 [RetUsea AFP Sersort He Us Sener 14 | ster ct lay Con! a1 [ohoeProieesinaes || oa |norusea Sart Low Reference APP soo le Us Sonor 15 | extout ke sera conrat || 42 |Romoie TO Acmiortes = || 62 | not Use Sotuors'newre, Tate PYG Rar arr we [noses 45 [ eeu sore ceuns 7 | es 17 | soures a OGRRTERTIOR [7a | ao Sesorinpt Sat 1 [can High tna as [Epeareme Santon TT 72 [ar Ser np Sa! 7 [eS rea Sanat | Sato raster [| 72 [reve barr Seman apo a [RE ORS [pera Bi] nats Ray Paver Si [| Parca Sener np Sens || TS [ her Usea Ze [peruses 20 [Naural Suton pe Sanw | | 77 | esse 24 [anton ON Swath most signat_[[ 21 | Epsge WarmUe Sater TomA TT Te [pei sea 2 [Used 2 [Bag Such 7 [atm ISU2U WR AHKI-TC Enos a [nae = [hates & [EON ae Gas ik ide Pa Ee wae fa Bee ‘f ays 1 feats ahi) a te Be Frm] parnten = PaFurice e Pa Fursan 2 | Fe Senora Sn se |Neees vo [nese 02 [ FF enor Sa 3 | Sev ow Gaia 11 E5R vane BC Wr Cone [BET Senor pat Sa! e_ [cur Seo tav Rens] 12 [Reruaes | Na Us [curseornpuesns || 13 | Sov Hen coneat ps | EER War Poston Sonar [95 | FRPSeror CHP Sonor 4 [nes Sora Shee FEF Sir ESRVSTG P|, | PP SRO EGR Vie 87 | Sensor input Signal 101 | postion Sensor Low Reference | | 178 | Not Used ae [aes voz | fie ie Scere vabe 1] 93g | Se Re Cone Ses a3 NV Low Control 10g | EGR Valve DC Motor Power 147 | Cynder #4 Injector Control so ia ‘Supply oF ctr Com 3 FR Serr So ios [hats 1 | eo Soo FET SOIT] Tag Soret a 105 [ 56¥ on Gow 19 | onset naeor on = [Noes 105 [BaP Sersertov Serve _|| 129 | incor inner Coma oe | Nas 107 [ex eran ona wp 121 | Sane AT PrP oe [aaa on | PSUS Sear Esreo Shoe oes Petes SOG EST ‘95 | Boost Pressure Sensor EV" 108 | Sensor, FT Sensor Low: Fesference Reference ISU2U WR AHKH-TCEMgnets ECM Inputs & Outputs ‘Sensor mput Feel injection Concel Ou ‘+ rankshaf poston (CKP) sansor * Suton conta waive (SCV) 1 canshaft positon (CNP) sensor 1 Fualingeorst + rte air temperature (AT) sensce eee | Funlnjcir 82 1 Engine colar temperate ECT) semsor 1 Fuslijecor #2 + Fusltomgerature (FT) soncor — + Ful inctor #4 + Fortra pressure (FAP) sersor + Baromerrepreceur (BARO) sonar + Boos pressure sensor ‘Actuator Contol Ouout 1 ‘Accelerator pedal poston (APP) sensor * nt thot slenoi valve + Vehicle speed sensor (VSS) femme = Sxncust roto satenoe vane 1 EGR valve postion sensor EGR valve motor + le up cant sensor ec 1 Remote PTO acceler sensor ™ Flay & Larp Gantol uipat + Gt relay ‘Sriteh Input HP = Storr cut rotoy gation sich (ONS postion) # Mattuneton heaton amp a) Guten owen (WT) + Gen inaeatriame Park brake seh 1 Eatin rake ear amp appropriate vehicle Keniicaion > Powervain > appropriate engine model > Programming » 1D Cade Registration 4, Select replaced cylinder and press Change. Input 22 Figures. Then, input in order fom the upper sequence to the lower soquanco trom the loft end to tho right fend. The correct order for the left dluskation sas Fallows: ‘56.00 D1 CA 00 00 EC 00 23 1421 5. flor comploto to rogisraton, tum OFF the ignition foe 40 socond: 6. Tum ON tho igavon. TT. Solace injector ID Code. At thie point. al relctood fue injector 1D code data can be verified. Compare the 1D Code values registered into the ECM withthe replaces ach fel injector including the last 2 figures. The Correct ordar forth lf listraton i a Fallows: 136 00 D1 CA 00.00 EC 00 23 14 21 B7 ECM Roplacoment Ovorviow Uploading the Fuel Injector ID Code Data from the ECM Important: Only porform this procedure if tho ECM is beng replaced. The current fuel injector ID. cose data ‘an be dotarmined with the Tach 2. tthe ECM does not ‘communicate with the Tech 2, go tothe next procedure. 1 Install the Tech 2 2, Turn ON the ignition, with the engine OFF {8 Select Diagnostics > appropriate vehicle Mentitation > Powertrain > approprats engine model > Programming > Upload 1D Code, 4. After complete the upload, tun OFF the Tech 2. 5. Tum OFF the ignition ISU2U fa eee so fe anaie VEY NR AMKI-TC Engine.2 Retrieving the Fuel Injector ID Code Data with a Non-communicating ECM Important: Only perform folowing procedure Ifthe ECM is being replaced and the Tech 2 does not ‘communicate, The cutrent fas injector ID code data can ot be determined with the Tech 2, tho fuel injector Fumbers must be recorded from the factory affixed label ‘onthe cylinder read cover oF @2ch ua injector ID plate. Recording from the label on cylinder head cover; Important: Only perform this procedure it the ‘ue! injectors are not being replaced inthe pas. 41. Record all numbers ofeach cylinder on the label CGnger amber 1 Fuel ter 1D Code Ginger arbor 2 Fuel itr 1D Code {Ganger ber 3 Fuel eter 1D Code Gide Ho 4 Foe ict 19 Code Inject 12 Cooe Late! Cynder sed Cove Recording from the each injector ID Plato; 1. Remove the eyinder head cover. 2 Record 24 figuras of each {vel injector ID plate. The correct order fr tre lf lustraton 13.28 fallow: 5600.01 CA.0000EC 00 23 14 21 00-00-00 87 ECM Removal & ECM Installation Fue! injector ID Code Data Programming Procedure Important: Only perform this procodure it tho ‘ue! injector ID code data can be unloaded with tne Tech 2 Ifthe ECM ean not be uploaded with the Tech 2, go to tho next procectre. 1, Instalithe Tech 2 2. Tum ON the ignivon, with the engine OFF 3 Select Dlagnostics > appropriate vehicle ldanitcation > Powertrain’ > approprate engine model > Programming > Download ID, 4. After complete the download, turn OFF the igniion for 0 eecond, ISU2U NRAHKI-TC Engines Bue 5, Tum ON the ignivon 6, Select Injocter 1D Code then prase Enter. AL his point, All dovrloaded fuel injector ID code data can be Vetifed. Compare he ID code values downloaded inl the ECM and eae ful injector, 7. Stat the engine and let ido Important: In order to mako tho fuel supply puma characteristic learn into the cepiaced ECM, let the engine idle until warm-up. If the fuel system DTC's Stored in the meantime, ance clear DTC and warmup tho ongine again. Important: if the current injector ID cade data can not ‘bo uploaded with the Tech 2, the recordod all numbers ‘must be entered into the Tach 2 1, Install the Tech 2 2. Tum ON the ignivon, with the engine OFF. 3, Select Diagnostics > eppronrate vehicle identification > Powertrain > approprats. engine model > Programming > ID Case Registration 4, Select the cyinder 1124 and press Change, Input 22 figures. Then, putin order fom tho upger coquence to the lower sequence from tre ltt end to the right fend. The cotrect order for the left dlustaion is as falows: '56.00D1 CA 00 00 EC 00.23 1421 5. Afler complete the registration, tum OFF the ignition for 30 second 5, Tum ON the ignivon 7. Select injector ID Code, At this point. al registered fue injector 1D code data can be verified. Compare the ID code values register int the ECM with tho roplacod each fuel injector including the last 2 figures. The Correct onder forthe lft iistralion is a fells 156.0001 CA 00 00 EC 00 23 14 21 87 ISU2U NR AMALIE Enghese TECH 2 DATA & DEFINITIONS Tech? Parameter] Unis Displayed Dafne Ignition Vonage Vats | This parameter aisplays the ignition voliage measured by the ECM al the ignition feed circut. Volage is applied to the ECM when the ‘anton eurten is ON postion Batery Valage Vals | This parameter displays the system vollage measured by the ECM al tho ECM main relay votago toad cut, Dested We Speed RPM | The ie speed frat s requested by the ECW The ECU wil change dosired ilo opcad based on ongino coolant tmporaturo (ECT) and Idle up sensor status Engine Speed RPM [Ths parameter deplays the spesd of the crankshaft signal input to the ECM from the crankshaft postion (CKP) sensor. If the CKP ‘sensor is faled, the camshaft postion (CRAP) is substituted with CKP senscr. The Tech 2 will display the engine speed in revolution per minuto (RPM). “APP Sensor Vals | This parameter displays the valiage signal input tothe ECM irom the (Aceotorator Pod ‘accoleraor pedal positon (APP) sonsor 1 of tho APP sonsor Positon) assembly. APP sensor {is @ range of values indicating a low voliag= when the aecelorator pedal is not depressed to a high volage wien the accelerator pedals fully depresses. ‘APP Senor 2 Vots | This parameter displays the voltage signal input to the ECM from the (Accelerator Pecal ‘accelerator pedal positon (APP) sensor 2 of the APP sensor Positon) assembly. APP sensor 2s a range of vals indicating a high voliage hon tho accelerator pedal Ic not dopressed to 2 low volage whan the accelerator pedals filly depresses. ‘Acosleraior Pedal % This parameter displays the angle of the accelerator pedal as Position ‘calculated by the ECM using the signal input ftom the accelerator pedal position sensors. The APP incicated angle isa range of values Indleating 2 low percentage when the accelerator pedal Is not dopressed to a high percentage when the accelerator pedal is fully soprosecd. Foal Ral Pressure] MPa/pai [is parameter deplays The Giference of aclal and dened Tost val resoure (aclual - dered) a calcula by the ECM using the signa from tre fue eal pressure (FRP) sensor. [The nesative value is indicating a lower actual pressure. The posit flue is indicating @ higher actual pressure. This value i stein psi o kis Fuel Ral Pressure Vats | This parameter displays the vllage signa input tothe ECM terminals ‘Sensor ‘nor fuel al pressure (FRP) sensor. FRP sensor isa range of values Inoleating © low Valiage wnen the fue! raul preasure is 1ow to @ high ‘ollage when te fuel al pressure is high RallPrescure | Restart Made! | This parameter displays the sala of the fuel ral pressure foadback to Feedback Shutoff Mose / | the ECM. "Wait Mode” indicates the ignition switch s turned ON ‘WaitMods/ | positon, “Feacback Mode" indicates the engine Is during crank ot Feesback Mode | run. “Shute! Mode" Incicates the ‘gniton viteh tumed OFF positon. "Restart Mode" inicatas the igniion switch continues being ‘OFF postion ftom "Shut Mode ISU2U WR AHKH-TCEMgness ‘Teoh 2 Parameter | Unie Displayed Detnitone SCV Duly Cycle % This parameler deplays the suction contol valve (SCV) contrl duty ‘sgnal ram the ECM tarminals, When the small Sut signal, tho SCV 's controlled to open (fuel supply to the fuel ral is increased). When tne large out signa, the SCV is controled 1o close (uel supply 1 the fuel rai is reduced) SOV Current mA [This paramoler cleplays tho cuction contol vale (SCV) contol feedback current input tothe ECM terminals fom the SCV. When the low currents supplied, the SCV is contoled to open (fuel supply to ‘he fuol ral increased). Whon the high eurtent is cupstod, tha SCV 's controlled fo close (uel supp to the fuel rails reduced). ‘Coolant Tomporature Vets | This paramelor displays tho lemporalure of the engine e2olant based ‘Sensor ‘on signal input from the engine coolant temnerature (ECT) sensor to the ECM. The Tach 2 wil ispizy a low sigial voltage when the ‘temperature is high and 2 high signal voltage when the temperature is fon Coolant Temperature | -G/-F | This parameter dloplaya the temperature of te engine coolant a2 caleulated by the ECM using the signal nput from the engine coolant ‘temperature (ECT} sancor. The Tech 2 wil dsolay @ low temperature when signal voltage is high and a high temperature shen the signal voltage i low Triake Air Temperature | Vos | This parameter displays he temperaiure of the inlake air based on ‘Sensor signal input from the intake ai terperature (IAT) sensor tothe ECM, The Tech 2 wil dlspiay alow signal voltage when the temperature Is high and high signal voltage when the temperature slow. Intake Air Tomporaturo | °C/-F [This paramotor aeplays the tomporaturo of tho intake air ac calculated by the ECM using the signal input from the intake air temperature (AT) sensor. The Teen 2 wil display 2 low temperature when signal voltage is high and a high temperature wen the signal valage i low. ual Tomporature Vots | This paramotor aiplays tho temporature of tho fuel based on signal Sensor input from the fuel temperature (FT) senso: to the ECM. The Tech 2 \wl clay 2 low signal vokaga when the tomporatuto Is high and 2 igh signal vallage when the temperature i low. ual Tomporature °C/-F | This paramotor displays the tomporatiro of tho fuol as calculatod by the ECM using the signal input from the fuel temperature (FT) sensor ‘The Tech 2 will display 2 low temperature when signal voltage is high anda high tomporatura when tho signal votage Is fw. Baromeirc Pressure Vats | This parameter displays the voltage signal input © the ECM trom ‘Sensor aromatic pressure (BARO) sonco: BARO sonsor is a rango of values indicating alow volage where in high aliuce area, Baromeitc Pressure KPa___| This paramoier displays the barometric pressure as calculated by the EGA using the signal input from te barometn pressure (BARO) EGR Postion Seneor Vots | This parameter dleplays the voltage elgnal input to the EOM irom the EGR’ positon sensor of the EGR vahe. EGR position sensor is @ range of values indicating a low voltage whon the EGR valve Ie ‘Sosed fo «high voltage when the EGR valve is opened ISU2U NR AHKI-TC Engines “Tesh 2 Parameier Units Displayed Detnitone EGR Postion (OC Motoe) % This parameter displays the diference of actual and desived EGR vaNvo positon (actial - desired) a6 calculated by the ECM using the Signal rom the EGR position senser. The negative value is indicating lower actual vale position. The postive value is inlcatng 2 higher ‘actual valve postion. EGR Motor Duty Gye ‘This parameter displays the EGR valve contol duy signal fom the ECKL When the small duty signal, the EGR vahe is controled to dose. When the large duty signa, the EGR vahe is conitoled to pon, ‘Boost Pressure Sensor Vals “Ths parameter Gapiays The vatage Signal ipa To Whe ECM er boost pressure sensor Boost Pressure We This parameter displays the boost pressure inthe intake manifold as ‘aleulated by the ECM using te signal input from the boost prassure ‘sensor. True boost proseure is determined by custacing BARO ftom the actual reading. ‘ASR Contot ‘Accelerator This parameter indicates we rango of tho operation with te accelerator pedal when arti sip regulator (ASR) system operates is spayed. 100% indicates that tie ASR dose not operate, Fuel injection decreases in te eifect of ASR system while becaming alow percentape, Vehice Speed ‘ih MPH This parameter indicates the vehicle speed calculated by the ECM based on nul from the vehicle speed sensor (VSS) tothe ECM. The ‘och 2 wil ispiay a high valuo at higher vehicle speeds, and a low value at lower vehicle speeds, Cylinder 1 Compensation nels “Tis paramotor displays tho adjustmant of ool volume Yor eyingor 1 ‘at low engine speed area (irom idle to around 1000RPM) a Calculated by the ECM. When the compensation volume is negatve| the fuel volume is reducing. When the compensation volume posive, he fuel volume is increasing. if there is a cylinder that is ‘excessively high or low, It may inccate faulty fuel inector, weak of Slghty seized. cyinder. Or fuel injector ID code may incorrect brogrammed: Oyinder2 Compensation Toast This parameter displays the adjustment of fuel volume for oyinder 2 at ow ongine speod arsa (om idle to around 1000RPM) as ‘aleultes by the ECM, When the compensation volume is negate the fuel volume is reducing, When the compensation volume Is postive, the fuel volume is increasing, If there sa cyiner that is xcessively high oF lou, it may indicate faulty fuel injector, weak oF Sightly selzed oyinder. Or fuel Injector 1D code may Incorrectly programmed ‘yiindor 3 Compensation rmeist This paramotor displays tho adusiment of ful volume for oylindor 3 fat Tow engine speed aren (om idle to around 10D0RPN) as ‘aleulated by the ECM, When the compensation volume is negative, the fuel volume is reducing. Yen the compensation volume Is postive, the fuel volume is increasing, If there is 2 cyinder that is ‘xcossivaly high or lo, t may indicat faulty fuel Injector, woak of Sightly seized cylinder. Or fuel injector ID code may incorrect proprammed. ISU2U NRAHKI-TC Engines? “Tesh 2 Parameier Units Displayed Detnitone Cylinder 4 Compensation relat This parameter deplays the adjustment of ful volume for ojindor 4 tow ongine speed arsa (from idle to around 1020RPM) as Calculated by the ECM. When the compensation volume is negative, the fuel volume is reducing. Yihen the compensation volume Is postive, the fuel volume is increasing, If there i a cyiner that is ‘excossivaly high or low, t may indicate faulty fuel injector, woak or Sigtly seized oyinder Or fel injector ID’ code may incorrectly programmed. Engine Mocs alt Mado / Wait Mode / Crank Modo | Fuel Mode This paramator deplaye the cate of engine, Wal Moga” Indioaios he ‘grin switch is tuned ON position. “Crank Mode” incicates the ‘engine Ie during erank. “Fuel Modo” inccaloe the engine fs run. “Hal Mode” incicates the ignition switch s tuned OFF postion. (QWS Switch Onjon ‘This parameter ceplays the input status of the engine warm up seftch ‘o the ECM. The Tech 2 wil display On or Off On indicates the engine warm up switch is closing te engine quick warm up system request arcu tothe ECM. Of indoates tie engine warm up swticn Is open, Igaiton Swen onjon Tis paramotordisslaye tho input status ofthe ignition switch to the ECKL The Tech 2 wil splay On or Off On indicates the ignition suite i turned ON positon, ‘Starter Switch Onio# This parameter diplays the inpul status of the steter swien to the ECM The Tech 2 will splay On oF Off, On Fidcales the ignition ‘eh Is tuned at START postion. Ghach Switch Gnlo# “Ths parameter d'plays the stale ofthe chICh petal as deterrined bh tho ECM based of an ingut from the elutch podal switch. Tho Tach \il display On oF OF. On indicates the cuten pedal s not being pu ‘down, Of indicates the cute sinich is being depresses, Parl Neutal Switch ‘Onsow “This paramoteraispaye te input slau ofthe nautral seitoh (MIT) to the ECM. The Tech 2 wil dsplay On or Off On indicates the neutral Sih is ON position (actual poston) Parking Sten ‘onion This parameter displays the input status ofthe park brake switch to the ECM, The Tech 2 will display On or Off On indicates the park brake is ON postion (lovar is pulled postion) Exhaust Brake Switch Gnio# This parameter daplays the input status ofthe exhaust brake saitch to the ECM. The Tech 2 wil display On or Off. On indicates the ‘exhaust brake swich is closing the exhaust brake request circuit to the ECM and allowing to energize the exhaust brake thvatle valve ‘and intake tnrotte solenoid valve depending on criving concition. Of incicales the exhaust brake switch is open and exhaust brake relay wil not engage, Exhaust Vave RIL Contrl Status Gnlow “This pavametor displays tho commanded stato of ihe exaust bral oloneid valve contol cicut. The Tech 2 wil dgplay On or Off Inlcates the exhaust brake colenald vale Is being enarglzod by th ECM, Off blcates tre exhaust brake solenoid valve Is not bein ‘commanded On by ta ECM. PTO Svtch Gnlo# “This parameter displays input Salus of he PTO such Wo the ECU ‘The Tech 2 wil dsolay On or Of. PTO Acwalerator ‘Opening This parameter displays the angle of the remote PTO accelerator sensor af calculated by the ECM using the signal input fom the ISU2U NRAHKI-TC Engines ‘Teoh 2 Parameter | Unie Displayed Detnitone Tents accelerator padal postion Sensors, PTO Avceleranr Vots | Th parameter displays the voltage signal sent fo the ECM Wom T oer PTO rails sensor. The PTO thatle sensor is @ range of vale Indicating alow valiage whan the thle sensor isnot operated fo igh votage when te twotle sensor ie ful operated, Te Up Voume Sencar] Vans TH parameter displays the velloge signal sent fo fhe ECM fom thd {dle up sensor. The idle up sensor has a range of values indicating low votiage when the Idle up sensor rotates in a counterclocr dlrection to 2 hgh weltage when the isle up sensor rotates in ‘clockwise direction "Wie Gluten Swen nso [Ths parameter displays the state of the ar condiboning (VO) compressor engage. On indicates the ECM receiving an AIC ‘compressor On signal. Ort indicates the ECM is not receNing an AVG ‘Samprassor On signal ABS Exh Brake Gat | OnJO# | Ths parameter displays the Inpul slalus of the exhaust brake aut Roguost roquest trom tho EHCU (ABS unt) to the ECM. The Tech 2 wil «dspiay On or OF. On incites the EHCU is commanding o the ECM to release tie exhaust brake. Off indicates the EHCU's not boing commanded: TCM Exh. Brake Gut | On/O# | Tobe removed Request ale Stop System onlot [Tobe removed Reigotor Switch ‘Onson [This parameter displays tie stale of the reffigaetor compressor ‘engage. On indicates the ECM recewving a retigator compressor On ‘Sana Off indicates the ECM ie not raoaiving a rtrigatat compreseot On signal Giow RelayConvol | On/Ot [This parameter displays the commanded stale of the glow relay conto! erout. The Tech 2 will deplay On of OFt. On incicatos the low relay control circuit is being grounded by the ECM, allowing Yollago 12 the glow plugs. Off indicates tne glow rolay is not boing ‘commanded ON by the ECM, Diagnostie Switch To be removed Engine Siar Gounts| Tobe removed Engine Siar Counts Tobe removed (Starter Exchange) ISU2U NRAHKI-TC Engine 99 ENGINE CONTROL SYSTEM CHECK SHEET fnspeccre Name Customors Name Maco! & Neel Year Divers Nome hss No Date Vehele Brauer in Ena No. sense Na vonetrRasane ia TERRE | _ eng ern cant Neral orbuan Nocera etn arian | Engne sare wy ore 1 . ‘rural gs Ta ng Towiaigseees) RU) B | rmsreatae | asserting & Taio ea San CERT 4 | Bray | Settswt tate snincs | Siar , Siar , oben manner aT — pa RT ony , seas VariousiOther | Hy = Yreepon JW a ar J 5 hee avert ug ead oer 1 conan | Or EBay Seta E [ineesn trp toe) 3 [em

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