Sport Fi ECU RevC User`s Manual (ENG)
Contents
1. 20 Figure 3 12 Mini Bar of Sport Fi ECU Application Software cece e ee e 21 Figure 3 13 Dynamic Track Mode on the Mini Bar of Sport Fi ECU Application Software 22 Figure 3 14 Full Screen Engine Status of Sport Fi ECU Application Software a anaananneana 22 Figure 3 15 EZECU Product Information Window 23 List of Tables Table A 1 Main Connector PIN NUMDETS iiecccezccecssendeecssactedcsseunsousteniecensesdsesrsenteosecenieensGuasvensae 24 Table A 2 Main Connector Gonale AE 24 iv EZECU Sport Fi ECU User s Manual 0 E ES 38 Fl HT ER EJ P IC Leader Technology Corporation Contents Revision History a s Z version and add A harness ees am cA He ef H UU ARI INS R ApFCroOoO tp c Da RI B eee e UI ANS EZECU Sport Fi ECU User s Manual d RS BRAA 5 IC Leader Technology Corporation 1 Introduction 1 Introduction With the gradually increasing trend of electronic fuel injection engines the EZECU series Sport Fi ECU Engine Control Unit developed by IC Leader Technology Corporation is announced for cooperating with the factory ECU to tune fuel injection amounts from 100 to 100 Unlike other piggyback products that generate a faked signal MAP TPS or MAF sensor to cheat the factory ECU Sport Fi ECU drives the fuel injector directly according to a base fuel inj2. save as and upload operations On the right top corner three buttons are used for setting step in RPM maximum RPM and fuel compensations The fuel tuning map and the graphical fuel tuning curve display are resided below EZ R port L File Run View About Step In RPM 9000 imi Low RPM Fuel Comp mei 0 0 Z Fuel Tuning Map Throttle Position a RPM 0 el 5 10 ell 20 30 D 40 50 ell 60 80 elt 100 d 0 cooococccccco coc CoCo oO CO O O O O O O G G G G co co CH 9161616111116111 coocccc E e e E E e oO e e S S S e e e e o G O G G G G G G O O oO CO OO OO OO OO OO OO OO OO OO OO OO CH S S 5 S e 5 e e e e e 9 S O OO S O S S S e e e e o O O O G G O O G O G O O 0 E 0 0 0 0 Resolution 250RPM JI 1 i CiearAl Fuel Tuning Curve Step In RPM Limit Fuel Compensation Fuel Tuning Inj Mode NIA Flywheel Type N A ECU Inj ms 0 000 EZECU Inj ms 0 000 Fuel Map C Fear Figure 3 1 Overview of Sport Fi ECU Application Software Unconnected g EZECU Sport Fi ECU User s Manual EE Fl B242 5 BR 2 EJ IC Leader Technology Corporation 3 Application Software If Sport Fi ECU is powered on and connected to PC the green LED on the right bottom corner will be turned on as shown in Figure 3 2 Furthermore the corresponding firmware date and board version of the Sport Fi ECU will be shown also Step In RPM 900
3. LS 4 IC Leader Technology Corporation BUY A242 puno SAOJIOUUO 2J0MDJ PUD apy JOSU2 UOYISOd L DYSYUDAD OF 410J92UUOo sojzaluy jany Jo jousis uoysaluy NDA OL 10J92UUuOo sojzaluy 1914 JO ATI OL J0 22 lu Jon OL 24144 JVUSIS 10su uonisod 211044 I 24 11101 122UUuo yeg O um molg 10J22UU0 BueiO Ry utd 9 3bue10 umoig ong 40J299uu02 ay edd g ISA Pew poy JOSU9S UOIISOd ANJOU SdL INAS ODINAM 10 NIA 14 Mods Jo weisbeig BuLIM Wiring Diagram of Sport Fi ECU for KYMCO SYM Figure 2 4 EZECU Sport Fi ECU User s Manual Wid BP FLAS EIRA IC Leader Technology Corporation 3 Application Software 3 Application Software The application software can be installed on Intel 80x86 compatible computers with Microsoft Windows 2000 XP Server 2003 Vista 7 operating systems At least one USB 1 1 2 0 compatible interface port is required to communicate with Sport Fi ECU The screen resolution requirement is at least 1024 x 768 and the memory requirement is at least 1 024 MB 3 1 Overview The first screen of the application software is shown in Figure 3 1 Buttons on the left top corner are responsible of semi detection of TPS Throttle Position Sensor voltages Buttons on the middle bottom are responsible for fuel map and firmware file open save
4. no event will IC Leader Technology be liable for damages arising directly or indirectly from any use of the information contained in this document IC Leader Technology Corporation No 6 Nanning Rd Jhudong Township Hsinchu County 31063 Taiwan E mail support icleader com URL www EZECU com n EZECU Sport Fi ECU User s Manual RS Wie IC Leader Technology Corporation Contents Contents PROVISION FIIS TOV PENE V T at CG ON EE 1 1 1 Product Package List of Sport EECH 1 1 2 PROC ir Et 2 1 3 Product ee tte len 3 AE ae DEG T EE 4 2 1 ONGC OFS ANG EE D EE 4 2 2 Wiring Harness and Wiring Diagram for YAMAHA 4 2 3 Wiring Harness and Wiring Diagram for KYMCO SYM 6 3 Application Software l R GEER RR RW 8 Jed Overview 12000 Ma RRS eee ae ENa 8 3 2 Fuel Map and Firmware Operations sese eee ee ee eee eee 10 3 3 TPS Vollgata SEE ANNEN KS WW 11 3 4 K et tba 0 ste JV LINTE R JR 13 S5 io epn Be BT LJ 15 3 6 Programmable Revolution mt 19 3 Fuel Compensation When Closing Throttle 20 3 8 METT EE 21 3 9 DYNAMIC TACK TOG er e A E E E E 22 3 10 Full Screen sa SE EE ER 3 11 ADOUL EZE OE 23 Appendix Mella KO e j a Le gelen EC 24 EZECUS Sport Fi ECU User s Manual i Con
5. 0 imi Z Low RPM Fuel Comp me Fuel Tuning Map Throttle Position ada 0 l 5 10 20 SE v 40 v 50 60 80 S sls O O O O O O O O O G O C S O OO O O O O O e e e e jo cio oc oc O 9 9 9 9 9 090 9 S O 5 io co oc e e e e e e e o O S S e S e e e o CO OO OO OO OO O OO OO e CO OO OO OO OO OO OO OO OO OO OO OO CH CO OO OO OO CO OO OO OO CO CO OO CO CH ooo io ico co oc cio oo 0 ooocococcccococeoc jo lann SH 1 Max Length 512 Alphanumeric Letters Clearall Sr Fuel Tuning Curve Step In RPM Limit Fuel Compensation Fuel Tuning Inj Mode N A Flywheel Type N A ECU Inj ms 0 000 EZECU Inj ms 0 000 Ze Fuel Map Sg o Figure 3 2 Overview of Sport Fi ECU Application Software Connected EZECU Sport Fi ECU User s Manual 9 Wid BE Bz TB PRD BJ IC Leader Technology Corporation 7 3 Application Software 3 2 Fuel Map and Firmware Operations As shown in Figure 3 3 and Figure 3 4 file operations for the fuel map and the firmware are slightly different The fuel map file can be opened saved and saved as another file name However the firmware file can be opened only Er Sed Save Savers AS L E Open Figure 3 3 Fuel Map Operation Buttons Fuel Map Open Firmware e Firmware h pe Figure 3 4 Firmware Operation Buttons Before pressing the Upload button please make sure that the
6. EE ZZ IC Leader Technology Corporation EZECU Sport Fi ECU Piggyback 3D Programmable Fuel Injection Computer for BOSCH Compliant EFI Systems User s Manual January 2012 Version 2 00 Wid BE RAL A BRA BJ IC Leader Technology Corporation Copyright Copyright IC Leader Technology Corporation 2008 2012 All Rights Reserved Printed in Taiwan 2012 IC Leader IC Leader Logo EzFi EFR EzFC EzLog EzSpark Energy Zone 7 IS and EZECU are trademarks of IC Leader Technology Corporation in Taiwan and or other countries Other company product and service names may be trademarks or service marks of others All information contained in this document is subject to be changed without notice The products described in this document are NOT intended for use in implementation or other life support application where malfunction may result in injury or death to persons The information contained in this document does not affect or change IC Leader Technologys product specification or warranties Nothing in this document shall operate as an express or implied license or indemnity under the intellectual property rights of IC Leader Technology or third parties All information contained in this document was obtained in specific environments and is presented as an illustration The results obtained in other operating environments may vary THE INFORMATION CONTAINED IN THIS DOCUMENT IS PROVIDED ON AN AS IS BASIS In
7. USB cable is correctly connected between your computer and Sport Fi ECU Finally please confirm the power good LED 1s lighted on You can press the Upload button even if the engine is running still However you must stop engine before pressing the Update button When programming is in progress the application software will show current programming progress After uploading or updating the application software will have a pop up window to indicate that the operation is completed 0 EZECU Sport Fi ECU User s Manual eebe BRAA 5 lt IC Leader Technology Corporation 3 Application Software 33 TPS Voltage Calibration The voltage values of TPS for each bike scooter should be calibrated before operating correctly because the 0 and 100 throttle may be mapped to different voltages for different TPS models For example some TPS outputs OV through 3 1V corresponding to 0 through 100 while some TPS outputs 0 7V through 4 1V corresponding to 0 through 100 Consequently the application software provides semi auto detection and manual input for the TPS calibration values As shown in Figure 3 5 there are two Copy buttons and two fields for inputting the voltage values corresponding to 0 and 100 throttle wherein two Copy buttons are responsible for the semi auto input function and two fields are responsible for the manual input function TPS Voltage TPS 0 Voltage 0 700 gt 0 704v TPS 100 V
8. are listed below 1 Open Fuel Map Open Firmware Save Fuel Map Save As Fuel Map Dynamic Track Mode er Full Screen Engine Status The first four buttons have same functions as aforementioned in Section 3 2 The dynamic track mode is described in Section 3 9 The full screen engine status is described in Section 3 10 The display language options are also shown on the mini bar EZECU Sport Fi ECU User s Manual 21 EC IC Leader Technology Corporation 3 Application Software 3 9 Dynamic Track Mode When the Dynamic Track Mode button on the mini bar is pressed as shown in Figure 3 13 Sport Fi ECU will report which cell inside the fuel tuning map has been referenced This may be helpful for technicians who are tuning engines Press the same button on the mini bar again will exit the track P CH Chinese English Figure 3 13 Dynamic Track Mode on the Mini Bar of Sport Fi ECU Application Software mode 3 10 Full Screen Engine Status When the Full Screen Engine Status button on the mini bar is pressed the application software of Sport Fi ECU will switch to a full screen as shown in Figure 3 14 This may be helpful for longer distance observing Press the same button on the mini bar again will switch back to the original screen ECU Inj ms EZECU Inj ms Inj Mode 1x Inj 4T Flywheel Type 12 1 Step In Q RPM Limit Q Fuel Compensation Figure 3 14 Full Screen E
9. ection width by the factory ECU In other words this product can control the fuel injector directly even when the factory ECU stops fuel injecting operations 1 1 Product Package List of Sport Fi ECU Thank you for purchasing the Sport Fi ECU originally designed and manufactured by our company in Taiwan When you open the product package all contained accessories are listed below I x Sport Fi ECU 1 x wiring harness 1 x USB A type male to B type male cable I x CD ROM containing the USB driver and the application software EZECU Sport Fi ECU User s Manual l 1 Introduction Wid BE Bz A PRD BJ IC Leader Technology Corporation 1 2 Product Features Sport Fi ECU is a high technology after market product for electronic fuel injection engines with features as listed below Piggyback fuel injection ECU dedicated for BOSCH compliant fuel injection systems Remove fuel cut revolution limit of factory ECUs and support up to 15 000 RPM Programmable 100 100 fuel tuning percentages with 1 resolution Fuel tuning 3D table with 59x10 cells and 250 500 1 000 RPM resolutions Supports 12 1 18 1 24 1 12 2 18 2 24 2 12 3 18 3 24 3 1 12 18 24 teeth crankshaft flywheel types Programmable 0 0ms through 3 0ms fuel compensation when closing throttle Up to 10 customizable throttle position voltage levels Semi auto detection for both fully closed and fully opened TPS calibration voltages Table uploading while engine is r
10. imes e per Fuel Injection Time gaciory ecu Fuel Inejctor Turn On Time x 100 X Fuel Inejctor Turn On Time wherein the X is the 32 bit bilinear interpolated percentage value by the Sport Fi ECU with the range of 100 00 lt X lt 100 00 The initial values of the fuel tuning map are all Os That is the fuel injection time of Sport Fi ECU is the same as the factory ECU If user has an enlarged cylinder from 125CC to 164CC the enlarge percentage is 164 125 125 x100 30 If the fuel injector remains the same the fuel tuning map may be all filled by 30 as a tuning basis Use the wideband oxygen sensor contact us if required and the optional dyno machine to fine tune the engine and modify the cells in the fuel tuning map Ride the bike scooter as the final feedback for tuning You may get your best performance for your engine mm 0 EZECU Sport Fi ECU User s Manual SAHR 9 BA El IC Leader Technology Corporation 3 Application Software 3 6 Programmable Revolution Limit The factory ECU may stop fuel injection when the engine RPM 1s greater than a threshold value for example 9 300 9 600 RPM Sport Fi ECU can let user set a step in RPM and a RPM limit to enable the fuel cut relief function as shown in Figure 3 10 Step In RPM a RPM Limit 15000 Figure 3 10 Programmable Revolution Limit Functions The step in RPM can be set from 7 000 RPM through 15 000 RPM with a 250 RPM s
11. m RPM setting inputted by the user The injection mode shows the number of fuel injection times within the 4 stroke cycles The crankshaft flywheel type shows one of 12 1 18 1 24 1 12 2 18 2 24 2 12 3 18 3 24 3 1 18 24 teeth 14 EZECU Sport Fi ECU User s Manual EE A IC Leader Technology Corporation 3 Application Software 3 5 Fuel Tuning Map The fuel tuning map with 250 RPM resolution is shown in Figure 3 7 Fuel Tuning Map Throttle Position sd oe le u zhao Se slum es slem ES e C3 mal udi i i oN min amp w bh E oo zl mon P GA NS on mon kwh io Sm tn amp Ga hs ech d Ra w I a W C3 Z om WN E LM M A Soon Om P GA SOON Mo CO BO LD oo oO k k KA A S Fuel Tuningi in Figure 3 7 Fuel Tuning Map with 250 RPM Resolution EZECU Sport Fi ECU User s Manual 15 Wid BE TRAY TB PRD EJ IC Leader Technology Corporation EZ 3 Application Software Sport Fi ECU provides a fuel tuning map with 500 RPM through 15 000 RPM by programmable 10 level TPS resolutions with 1 step the default TPS levels are 0 5 10 20 30 40 50 60 80 and 100 The 500 RPM through 15 000 RPM can be set by selecting the RPM resolution as one of 250 RPM 500 RPM and 1 000 RPM Fuel tuning maps with 500 RPM and 1 000 RPM resolutions are shown in Figure 3 8 and Figure 3 9 respectively Fuel Tuning Ma
12. measured voltage values into the TPS calibration fields nn EZECU Sport Fi ECU User s Manual Im ERR AH IC Leader Technology Corporation 3 Application Software 3 4 Real Time Engine Status As shown in Figure 3 6 real time engine status includes a RPM gauge a TPS gauge a fuel injector duty gauge a battery voltage gauge a Sport Fi step in indication LED a RPM limit indication LED a fuel compensation indication LED a fuel injection mode a flywheel type an ECU fuel injection time and a Sport Fi ECU fuel injection time 4 Fus m LN Step In GA RPM Limit GA Fuel Compensation G Inj Mode N A Flywheel Type N A ECU Injfms 0 000 EZECU Inj ms 0 000 Figure 3 6 Real Time Engine Status The Step In indication LED will be lighted if the Sport Fi takes over the fuel injection operation without referring to the factory ECU This is especially useful to achieve racing or heavy sport oriented purposes The ECU injection time will show zero when the engine RPM value is too high for the factory ECU For example many ECUs will cut fuel injection operations when the engine RPM value is greater than 9 300 RPM The Sport Fi can extend the fuel cut restriction up to 15 000 RPM The RPM Limit EZECU Sport Fi ECU User s Manual 13 Wid BE RAL A BRA BJ IC Leader Technology Corporation 3 Application Software indication LED will be lighted when the engine RPM exceeds the maximu
13. ngine Status of Sport Fi ECU Application Software mn EZECUO Sport Fi ECU User s Manual 2 UZBEK AIR EJ IC Leader Technology Corporation 3 Application Software 3 11 About EZECU The information about EZECU series products and our company can be found by clicking the About menu The following window with trademarks and URL will appear JTERENREGA RDA http www icleader com Sn 71 43a ENERGY ZONE E ntelligent Injection and Ignition ECUs for Al arnal Combustion Engines Figure 3 15 EZECU Product Information Window EZECU Sport Fi ECU User s Manual 23 Wid BE Bz TB PRD BJ IC Leader Technology Corporation lt Appendix Appendix Main Connector Signals Table A 1 Main Connector Pin Numbers Ir Table A 2 Main Connector Signals Signal Description TPS Throttle Position Sensor Input White PowerGround Black avPower L Red gt Fuel Injection Output to Injector 24 EZECU Sport Fi ECU User s Manual
14. o worry about losing control precision due to selecting the 1 000 RPM resolution EZECU Sport Fi ECU User s Manual 17 Wid BE Bz TB PRD BJ IC Leader Technology Corporation 3 Application Software If user wants to increase resolution for tuning the fuel map the 500 RPM resolution can be selected The fuel tuning map with 500 RPM resolution is formed as a 30 by 10 table Since there are double cells as compared to the 1 000 RPM resolution user may tune the fuel injection amount in a more detailed order The application software will average and interpolate the fuel map values into each cell of the 250 RPM fuel tuning map User does not need to worry about losing control precision due to selecting the 500 RPM resolution The maximum resolution is to set as the 250 RPM resolution The fuel tuning map with 250 RPM resolution is formed as one 59 by 10 table Since there are almost double cells as compared to the 500 RPM resolution user may tune the fuel injection amount in a most detailed order When editing the fuel tuning map user may mark an area to perform addition subtraction clear all by pressing corresponding buttons below the fuel tuning map The addition subtraction button will add subtract each cell inside the marked area by the value of the addition subtraction value field The clear all button will reset each cell of the fuel tuning map to 0 The fuel injection time is calculated as follows Fuel Injection T
15. obe to battery ground a as Use the red probe of the multi meter to test both terminals of the female fuel injector connector and find out the female terminal with 12V battery voltage 5 Connect the male fuel injector connector provided by the Sport Fi ECU to the female fuel injector and insert the red wire male terminal to the corresponding position of the female terminal with 12V battery voltage and 6 Insert the blue wire male terminal to the remaining position of the male fuel injector connector DN SK nr ST Al MA o0E 13g S i L Ca EE d CSA IE Figure 2 3 Wiring Harness of Sport Fi ECU for KYMCO SYM Furthermore most KYMCO SYM ECuUs are integrated with the throttle body so that it is almost impossible to connect with the TPS signal inside User may buy an additional TPS contact with us if required to be installed on the opposite axis of the throttle and take the white wire out from the PVC cable to solder with the added TPS signal It is strongly recommended that using soldering and covered with the heat shrink pipe can extend the life for the wiring of TPS Please connect the wire with CARE AND PATIENCE Any fault can cause either the product or any parts of the bike scooter to be damaged permanently If you are not familiar with this procedure you should ask expert EFI engine technicians for wiring these signals 6 EZECU Sport Fi ECU User s Manual 2 Wiring Diagrams BF AE BR ZS BJ FE H
16. of Sport Fi ECU for YAMAHA 4 EZECU Sport Fi ECU User s Manual 2 Wiring Diagrams LIS AS ABRA F IC Leader Technology Corporation 18 LEE O S ZHIN MIAIS PUNOAD yorlg SAOJJJUUOJ Bueio 40J299uu02 ajpula PUD apy yoeIg uwy U1ld 9 AOSUIS UONISOJ yoelg YDYSYyUvAD og 3bue10 Se AOJIOUUOD SAOJIOUUOD dia ayy d4 l g TSN 31013 J PUD apy a ss 40J u Jan OJ ped E AAO A 24144 Du51 JOSUDS uonsod 9JHOMY I p 24 YM J9 uu0O JOJOBUUOD M eM PIN SdL VHVINVA 104 N33 14 Mods jo weibeig DUuUIM Wiring Diagram of Sport Fi ECU for YAMAHA Figure 2 2 EZECU Sport Fi ECU User s Manual Wid BE Bz TB PRD BJ IC Leader Technology Corporation lt 2 Wiring Diagrams 23 Wiring Harness and Wiring Diagram for KYMCO SYM For KYMCO SYM scooters the wiring harness is shown in Figure 2 3 and the wiring diagram is shown in Figure 2 4 Most signals are connected directly by the wiring harness However since the wiring definitions for the fuel injector are different for various scooter bike models users have to confirm the correct wiring definition by the following steps Disconnect the fuel injector connector from the fuel injector Turn on the power Switch the multi meter to 20VDC and connect the black pr
17. oltage 4 100 Figure 3 5 TPS Calibration Buttons At first the semi auto input function is introduced as the following steps Step I Connect Sport Fi ECU and your bike scooter Step 2 Connect the USB cable between Sport Fi ECU and your computer Step 3 Execute the application software Step A Turn one the bike scooter power but do not start the engine and confirm the blue power LED on Sport Fi ECU is lighted Step 5 Press the upper Copy button to copy TPS voltage of 0 throttle Step 6 Rotate the bike scooter s throttle to 100 and hold press the lower Copy button to copy TPS voltage of 100 throttle and Step 7 Release the bike scooter s throttle Since the TPS is made of resistor the voltage output may vary according to different working temperatures Consequently we suggest to increase the fully closed TPS voltage by 0 1V and to decrease the fully opened TPS voltage by 0 1V In this manner the TPS mapping range for your bike scooter can be detected Both TPS setting EZECU Sport Fi ECU User s Manual 11 Wid BE RAL A BRA BJ IC Leader Technology Corporation 3 Application Software values can be saved into the fuel map file If user wants to update the fuel map again the TPS calibration process can be skipped by reloading the saved TPS setting values Finally user may use a precise voltage meter to measure TPS voltage values corresponding to 0 and 100 throttle and then fill the
18. p Throttle Position ee Ale de zhao ee ee lem Ze H SCH i 4 6 10 12 14 16 18 20 22 22 2 2 22 24 24 24 24 24 26 26 26 26 26 26 gt Max Length 512 Alphanumeric Letters a Clear All Fuel Curve at 30 TPS Fuel Tuningi 1 Figure 3 8 Fuel Tuning Map with 500 RPM Resolution WW EZECU Sport Fi ECU User s Manual 0 ETRE NARAT Z IC Leader Technology Corporation 3 Application Software Fuel Tuning Map RPM Throttle Position To elen ell 10 Je Jas zh o Je hax v 100 z 1000 2 2 2000 b b S 3000 10 10 10 10 10 10 10 10 10 10 4000 14 14 14 14 14 14 14 14 14 14 5000 18 18 18 18 8 18 18 18 18 18 26 26 26 26 26 26 26 26 8000 3 3 30 30 U 3 3 30 30 9000 2 217 217 27 217 21 of 217 21 21 10000 23 23 23 23 23 23 23 23 23 23 11000 2 ot 21 or 217 21 or ot 21 21 12000 31 31 31 31 31 31 31 31 31 31 13000 35 35 35 35 35 35 35 35 35 35 14000 38 38 39 38 38 39 38 38 38 38 D 1000 2000 3000 4000 S000 6000 7000 8000 S000 10000 11000 12000 13000 14000 15000 RPM Figure 3 9 Fuel Tuning Map with 1 000 RPM Resolution In general the 1 000 RPM resolution 1s recommended as a startup basis The fuel tuning map with 1 000 RPM resolution is formed as a 15 by 10 table Since there are fewer cells it is easier for roughly tuning the fuel map The application software will average and interpolate the fuel tuning map values into each cell of the 250 RPM fuel tuning map User does not need t
19. tents Wid BE RAL A BRA BJ IC Leader Technology Corporation List of Figures Figure 2 1 Wiring Harness of Sport Fi ECU for YAMAHA 4 Figure 2 2 Wiring Diagram of Sport Fi ECU for YAMAHA 5 Figure 2 3 Wiring Harness of Sport Fi ECU Tor KYMCO SYM 6 Figure 2 4 Wiring Diagram of Sport Fi ECU for KYMCO SYM 7 Figure 3 1 Overview of Sport Fi ECU Application Software Unconnected cece eee 8 Figure 3 2 Overview of Sport Fi ECU Application Software Connected 9 Figure 3 3 Fuel Map Operation Buttons 10 Figure 3 4 Firmware Operation Buttons REESEN 10 Figure 3 5 TPS Calibration Buttons EA OR 11 Figure 3 6 Real Time Engine Status eee ee ee eee 13 Figure 3 7 Fuel Tuning Map with 250 RPM Resolution 15 Figure 3 8 Fuel Tuning Map with 500 RPM Resolution 16 Figure 3 9 Fuel Tuning Map with 1 000 RPM Resolution 17 Figure 3 10 Programmable Revolution Limit Functions 19 Figure 3 11 Fuel Compensation When Closing Throttle
20. tep The step in RPM should be set to a nearest RPM less than and the revolution limit RPM of the factory ECU For example if the factory ECU cuts fuel at 9 300 RPM the step in RPM of 9 000 RPM will be a nice selection The RPM limit function can be used for protecting the engine from over RPM if it is well used The RPM limit can be set from 9 000 RPM through 15 000 RPM with a 250 RPM step Please ask professional technicians to confirm the maximum allowable working RPM for your engine Our company is not responsible for any damage and loses EZECU Sport Fi ECU User s Manual 19 Wid BE Bz TB PRD BJ IC Leader Technology Corporation VEG 3 Application Software 3 7 Fuel Compensation When Closing Throttle When a rider is closing throttle to de accelerate the engine revolution the factory ECU may stop the fuel injection operation for a while until the engine revolution drops to the idle RPM range Without fuel supply during the de acceleration period the re acceleration response time for the engine is not good enough Besides the engine may possibly stop for most enlarged cylinders since no fuel supply being injected Sport Fi ECU can overcome this by a programmable fuel compensation setting when closing throttle as shown in Figure 3 11 The valid fuel injection time is from 0 0ms through 3 0ms with a 0 1ms step It should be noted that this fuel injection time includes the injector turn on time For most fuel injec
21. tion or double InJections per 4 stroke cycle RB Indication LED gt 1 x blue LED for power good indication m USD interface gt Standard USB B type male connector RB Form factor of Sport Fi ECU gt Length 79 mm without including the connectors gt Width 69 mm gt Height 22 mm gt Net weight without including wiring harness 225 10 gram EZECU Sport Fi ECU User s Manual 3 Wid BE Bz TB PRD BJ IC Leader Technology Corporation lt 2 Wiring Diagrams 2 Wiring Diagrams 2 1 Connectors and LED There are two connectors on Sport Fi ECU One is a 6 pin main connector and another one is a B type USB connector Sport Fi ECU also provides one power good indication LED 2 2 Wiring Harness and Wiring Diagram for YAMAHA For YAMAHA scooters the wiring harness is shown in Figure 2 1 and the wiring diagram is shown in Figure 2 2 Most signals are connected directly by the wiring harness The only signal to be connected via the mid way wire connector is the TPS Throttle Position Sensor signal It is strongly recommended that using soldering and covered with the heat shrink pipe can extend the life for the wiring of TPS Please connect the wire with CARE AND PATIENCE Any fault can cause either the product or any parts of the bike scooter to be damaged permanently If you are not familiar with this procedure you should ask expert EFI engine technicians for wiring these signals Figure 2 1 Wiring Harness
22. tors the required turn on time is 0 8ms through 1 2ms Consequently if the filled fuel injection time is equal to or less than the fuel injector turn on time no fuel would be injected Users may ask your injector provider for the turn on time specification Low RPM Fuel Comp me 0 0 Figure 3 11 Fuel Compensation When Closing Throttle The operations of the fuel compensation when closing throttle are described as follows When the rider accelerates the engine RPM the throttle is almost open When de accelerating the throttle will be closed Two necessary conditions to enable the fuel compensation when closing throttle are listed below 1 TPS level is less than 5 and RPM is less than 8 000 and 2 The factory ECU fuel injection width is less than the programmed fuel compensation width When fuel compensation is enabled Sport Fi ECU will activate one fuel injection for each engine revolution The fuel injection time per engine revolution is according to the filled value in the fuel compensation field 20 EZECU Sport Fi ECU User s Manual EE IC Leader Technology Corporation 3 Application Software 3 8 Mini Bar On the left top corner of the application software there is a mini bar shown in Figure 3 12 to provide quick accesses to functions el tate en 1 Z Chinese English Figure 3 12 Mini Bar of Sport Fi ECU Application Software Functions for buttons on the mini bar from left to right
23. unning Dynamic tracking of referenced cell within fuel tuning 3D table Graphical 2D curve for displaying fuel tuning percentages Graphical gauges for real time engine status monitoring via standard USB interface Fast table uploading within second Adopt water proof metal case sealed by epoxy silicon or equivalent Support languages Traditional Chinese and English Support Microsoft Windows 2000 XP Server 2003 Vista 7 32 64 bit Operating Systems EZECU Sport Fi ECU User s Manual PIETER IC Leader Technology Corporation T 1 3 Product Specifications R Power supply input gt 8 20VDC gt 40VDC Max reverse protection M Sensor inputs gt TPS Throttle Position Sensor signal with an analog voltage ranging from 0 to SVDC gt CPS Crankshaft Position Sensor signal with an analog voltage ranging from 3 to 120VAC with 12 1 18 1 24 1 12 2 18 2 24 2 12 3 18 3 24 3 1 18 24 teeth per revolution m Fuel injection signal input gt Connects to the fuel driver output of the factory ECU gt Supports either single injection or double injection per 4 stroke cycle gt Pulse width modulation voltage ranging from 0 to 12VDC M Fuel injection signal output gt Direct drive of the BOSCH compliant fuel injector with resistance greater than 10Q Pulse width modulation voltage ranging from 0 to 12VDC Supports up to 90 duty cycle of the fuel injector Supports high flow rate fuel injectors v v Vv Y Supports etther single InJec
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