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Nistune Type 1 Hardware Installation

1. LI e 1 lu E T P P b i gt la Ta la i ae tiia OL LN terface ReLL 1 fal amp amp amp amp amp nt USB Consult Hardware Installation Manual V3 5 JECS ECCS 1984 1989 Legacy Engine Control Units HITACHI ECCS NICS 1985 1989 Legacy Engine Control Units Copyright 2004 2012 Nistune Developments INTRODUCTION Welcome to Nistune The Nistune hardware and software solution provides a means for the car enthusiast to retune their vehicle whilst retaining their factory ECU and its default programming This solution provides many advantages over aftermarket ECUs in that the e Factory default tuning is maintained once the Nistune board is installed Upon installation of the board vehicle will be operational as usual e Additional tuning can then be made against the factory maps for modifications made to the vehicle There is no need to tune the car to get it running from scratch reducing time and costs of tuning required on dyno e There is no need for wiring loom modifications Nistune provides realtime tuning and maptracing It provides the ability to make changes on the fly to the factory ECU and then the desired results are achieved save these permanently in non volatile memory on the programmable board Nistune also provides data logging and playback facilities the first available for legacy type 1980s Nissan JECS Hitachi ECUs Nistune softw
2. EH aede ELT E Tha 3 Bed o 2 On reverse side of ECU count from the outside edge inwards and bridge pins 7 and 8 with solder 3 Connect a 5 1 volt zener diode with stripe side on pin 8 and other end on pin 6 ground as pictured below ida LA E nu nn se 7 2i hl 999 Ee 9990955550 i n M MEE pe al Pam LS in r 959999555 hd Pg 34 02 24 aa 4 He ae i n e 4 A 4 Rewire the AFM as per pinouts in the AFM section of the Nistune Software Users Manual Nistune Type 1 Hardware Installation Page 30 of 33 REVISION HISTORY DATE VERSION DESCRIPTION 21 12 2005 Document Creation 24 01 2006 Correct HD6802 wiring to X3 header connection 11 6 2006 1 1 Pictures include Rev 2 board Baud RE Cover different Z31 variants Add HR31 CA18 ECU installation documentation Fix Z31 1984 part of document 30 1 1 201 1 3 4 Removed zener diode from R31 VLT Removed reading EPROM section Hevised various sections 28 3 2012 Minor formatting updates 23 1 2013 3 6 Desoldering updates pictures added opamp pin removal updates Nistune Type 1 Hardware Installation Page 31 of 33 TERMS AND CONDITIONS Nistune Developments has performed necessary measures to ensure that the Nistune software and boards are built to high standards By using this product you agree to the following terms IMPORTANT READ CAREFULLY This License Agreement Agreement is a legal agreement between you and Nistune Development
3. A holder of an Individual User Licence may only sell that licence to a third party if a Nistune Developments consents to the sale in writing and b the third party agrees in writing to be bound by identical obligations to those in this Agreement If you sell your Individual User Licence you are no longer authorised to use the Software Resale of your Individual User Licence does not enable the Software to be used on more than five vehicles in total Resale by Commercial Users If you hold a Commercial User Licence the Software may only be resold by you if you have a current written Resellers Agreement with Nistune Developments Only Commercial User Licence holders may obtain Resellers Agreements In reselling the Software you agree that a you will ensure that any person you sell the Software to Your Clients execute an agreement in favour of Nistune Developments in similar form to this Agreement obliging Your Clients to observe like obligations to those of an Individual User under this Agreement and b You agree to indemnify us against all claims losses costs liability and damages which we may incur whether directly or indirectly in connection with or arising from i any claim whatsoever brought against us by Your Clients relating to their use of the Software li the use of the Software by you or Your Clients iii the unauthorised replication of the Software or onsale of the Software by Your Clients iv your installation of the
4. product is allowed to terminate this license agreement if you offend against the terms and conditions of this agreement If so you will have to remove and destroy all copies of the Software and its components 2 INTELLECTUAL PROPERTY RIGHTS You may not copy modify or distribute the Software except under the terms given in this Agreement You may not sublicense the Software or in any way place it under any other licence than this one The Software is protected by the intellectual property laws of Australia and international intellectual property treaties You acknowledge that no intellectual property in the Software passes or accrues to or vests in you and that your rights in the software are limited to such use as is specified in this Agreement 3 TITLE AND RISK At all times title in the Software remains with Nistune Developments Risk in the Software and Hardware passes to you upon despatch to you 4 TERM Your licence is effective upon your acceptance of this agreement and installing the Software and Hardware This agreement will continue indefinitely unless terminated by reason of your breach of this Agreement 5 DECOMPILING You agree not to reverse engineer or allow a third party to reverse engineer the Software change split decompile disassemble or translate the Software in part or in whole without prior written consent from Nistune Developments or except as permitted under applicable law 6 RESALE Resale by Individual Users
5. 2 ECU throughole 2 Connector Wire 3 ECU throughole 3 Connector Wire 4 ECU throughole 4 Nistune Type 1 Hardware Installation Page 20 of 33 Y30 VG30ET similar to HR31 ECU Connector Wire 1 ECU throughole 4 R W Connector Wire 2 ECU throughole 1 A14 Connector Wire 3 ECU throughole 2 A15 Connector Wire 4 ECU throughole 3 E Nistune Type 1 Hardware Installation Page 21 of 33 5 USB Connector Installation X2 The USB B style connector that comes with the Nistune board is recommended for install where the diagnostic potentiometer normally sits It is up to the owner where they wish to locate this port The existing bracket from the diagnostic potentiometer fits the USB connector but requires the hole to be drilled and filed out to fit the connector plug through The potentiometer is normally used for idle fine select and diagnostic indicator The diagnostics can be retrieved from Nistune software so this is no longer required The diagnostics selector will be replaced by the USB Socket 1 Firstly remove the screws under the ECU warning socket connecting the diagnostics selector bracket Unscrew the potentiometer from the bracket and either cut or desolder the wires to the potentiometer from the ECU Ensure that if the wires are cut that the exposed ends are adequately insulated Using a drill size slightly larger than the hole that contained the diagnostics selector enlarge this hole This must be of s
6. J9 by desoldering one end and repositioning it Be careful when desoldering the track to ensure that it does not lift These ECUs are very old and the circuit boards are fragile nen aa Ha Egat Y Er 134 yee i t L yb F E LEJ 5 k n IF a de E j pm MP se 2 ud e x 4 T B in E FA La i T c d E Hu Eni z c E H i 7 D rx FN dT LESE dl A 1 T A i l A F UE ce ui r ee MT 111 i L j F F sa 7 Kl us pM Y 3 LETT JI in CFFE zu a z Li a E il Br gt x E at E E 36 Pa inane 4 osi e RAS AOC 4 pele A t Nistune Type 1 Hardware Installation Page 8 of 33 The below picture shows the removed ICs installed 28 pin machine drilled socket and four wire link jumpers installed in their new locations Existing brown links can be reused into the new jumper positions in the ECU Orsy 22877 ON _ PS wn 6eSHY USO _ BEGY zesd o DIN A 1060060000 zz Orypg o AMETS a 99SECG Fes ku n DS DI x D A mu fe e of Ol DE te n A cia i P es m E ES b di rn pamane il ME I x gt k w Y pe S s c xe I a v S x ie N f w Vow j n 7 i P cm A i gt i J a A x _ gen mn ge Hi pa NUS n L O e Next remove R15 which is below J9 J10 This is no longer used with the Nistune board installe
7. ND HARDWARE Nistune Type 1 Hardware Installation Page 33 of 33
8. SICAL OR ENVIRONMENTAL DAMAGE AND OR VIOLATE ANY ENVIRONMENTAL SAFETY TRANSPORTATION OR OTHER LAWS OR REGULATIONS IT IS THE USER S RESPONSIBILITY TO OBTAIN ANY CERTIFICATION RECERTIFICATION OR NEW CLASSIFICATIONS PERTAINING TO USE OF THE SOFTWARE AND HARDWARE IF ANY WARRANTY OR CONDITION IS IMPLIED BY THE TRADE PRACTICES ACT 1974 CTH OR OTHER RELEVANT LEGISLATION WHICH MAY NOT BE EXCLUDED THEN OUR LIABILITY OF ANY BREACH OF SUCH AN IMPLIED WARRANTY IS LIMITED SOLELY TO THE RESUPPLY OF THE RELEVANT GOOD OR SERVICE OR PAYMENT TO YOU OF THE COST OF HAVING THE GOOD OR SERVICE PROVIDED AGAIN AT OUR OPTION SOFTWARE AND HARDWARE INSTALLATION REMAINS THE SOLE RESPONSIBILITY OF THE VEHICLE OWNER 11 GENERAL This License is personal between you and Nistune Developments It is not transferable except in accordance with this Agreement and any attempt by you to rent lease sublicense assign or transfer any of the rights duties or obligations hereunder is void This Agreement and the conduct of the parties hereto shall be governed by the laws of South Australia YOU ACKNOWLEDGE THAT YOU HAVE READ THIS AGREEMENT UNDERSTAND IT AND AGREE TO BE BOUND BY ITS TERMS AND CONDITIONS YOU FURTHER AGREE THAT IT IS THE COMPLETE AND EXCLUSIVE STATEMENT OF THE AGREEMENT BETWEEN YOU AND NISTUNE DEVELOPMENTS WHICH SUPERSEDES ANY PROPOSAL OR PRIOR AGREEMENT ORAL OR WRITTEN AND ANY OTHER COMMUNICATIONS BETWEEN YOU AND NISTUNE DEVELOPMENTS RELATING TO THE SOFTWARE A
9. Software on Your Client s computer v your breach our Your Clients breach of this Agreement or vi any other action by Your Clients related to their purchase of the Software from you Nistune Type 1 Hardware Installation Page 32 of 33 For the avoidance of doubt this indemnity shall extend without limitation to any third party claims against us any loss or damage to property and any injury to or death of any person 7 INDEMNITY You indemnify us against all claims losses costs liability and damages which we may incur whether directly or indirectly in connection with or arising from any negligent act omission or wilful misconduct by you or your officers employees subcontractors or agents in the use of the Software or Hardware any defect in your installation of the Software or Hardware or your use of the Software or Hardware or your breach of the Terms For the avoidance of doubt this indemnity shall extend without limitation to any third party claims against us any loss or damage to property and any injury to or death of any person 8 UPDATES Nistune Developments may from time to time revise or update the Software or Hardware In so doing Nistune Developments incurs no obligation to furnish such revision or updates to you 9 WARRANTY The author of this Software has verified as best as possible that the main features and functions of the Software and Hardware work as described when used normally on compa
10. are also provides a user friendly responsive graphical interface to perform modifications Contained in this manual are the instructions for installing a Nistune board into 1980s Nissan vehicles Nistune Type 1 Hardware Installation Page 2 of 33 WARNING If your ECU pulses the fuel pump injectors fuel regulator flashes LEDs randomly or they just stay on when they shouldn t or your engine does not start then your ECU may not have your board fitted correctly Testing has shown on early Nissan ECUS that this can potentially keep the Mass Airflow Meter heater element on longer than 1 second and blow it like a fuse Check e Poor connection between the Nistune board and ECU due to failure to secure the board correctly using hot glue or similar mechanism e Poor header cable connection to the ECU from Nistune board e Mismatched Nistune board configuration for the ECU image you are attempting to use How to fix this e Always firstly try ECU with the factory ROM without the Nistune board to attempt to start the car properly e Ensure your Nistune board has the correct base ROM image loaded for your ECU e Ensure your solder joints are good and header connector is installed correctly e Attempt USB Consult connection to the Nistune board to verify communication The Nistune diagnostics document covers problem diagnosis in more detail Nistune Type 1 Hardware Installation Page 3 of 33 1 2 3 4 0 o0 TABLE OF CONTENTS au
11. circuit board using through holes provided by Nissan Locate the header connector through holes and silkscreen and solder directly to this POT DI SI CA PI 1989 Z31 300ZX Connector Wire 1 ECU throughhole 33 Connector Wire 2 ECU throughhole 32 Connector Wire 3 ECU throughhole 31 Connector Wire 4 ECU throughhole 30 64 I E dI on ij F T c a 2 8L i k 1 IE E LAM EET O da ds Oll AS J30 Maxima Connector Wire 1 ECU throughhole D Connector Wire 2 ECU throughhole C Connector Wire 3 ECU throughhole B Connector Wire 4 ECU throughhole A Nistune Type 1 Hardware Installation Page 18 of 33 513 CA18 Connector Wire 1 ECU throughhole 1 Connector Wire 2 ECU throughhole 2 Connector Wire 3 ECU throughhole 3 Connector Wire 4 ECU throughhole 4 S13 KA24E Connector Wire 1 ECU throughhole R W Connector Wire 2 ECU throughhole A14 Connector Wire 3 ECU throughhole A15 Connector Wire 4 ECU throughhole E Nistune Type 1 Hardware Installation Page 19 of 33 A31 RB20 Connector Wire 1 ECU throughhole near 61 Connector Wire 2 ECU throughhole Connector Wire 3 ECU throughhole Connector Wire 4 ECU throughhole near 9 HR31 RB20 Early Connector Wire 1 ECU throughole 3 Connector Wire 2 ECU throughole 1 Connector Wire 3 ECU throughole 4 Connector Wire 4 ECU throughole 2 Late Connector Wire 1 ECU throughole 1 Connector Wire
12. connectors One is for the USB socket and the other connects to the ECU processor marked HD6802 or HD6303 Early model ECUs will require direct connection to the processor whilst later model ECUs provide a silkscreen connector socket which needs to be soldered to The CPU header connector plugs into connector X1 on your Type 1 Nistune board and has a marking on the connector to signify which pin is pin 1 Important note Due to recent changes in manufacture colour coded wires will no longer be used on Type 1 boards The pin 1 will be identified by a marking on the connector itself as well as the end of the wire Nistune Type 1 Hardware Installation Page 16 of 33 A Early Model ECUs You need to solder the following wires to the HD6802 processor similar to the picture below rrr ee eee A e a a oa lt es te du M M A E E L ud M M PM W M M EM M n e A a i a at a AN E P The header connector you are supplied with is marked with a 1 on the left hand side This corresponds to the 1 on the diagram below Solder the ends of the wires to the CPU pins below ensuring that there is no possibility of the wire shorting to a neighbouring pin Hot glue over the wiring connections afterwards to ensure they do not move Any short circuit will stop the ECU from working and may damage it HD6802W Nistune Type 1 Hardware Installation Page 17 of 33 B Later Model ECUS Later model ECUs connect directly to the
13. d Note that You will no longer be able to use the factory ROM chip in this ECU once these jumpers are changed Installation of the Nistune board now follows the same procedure as for other 6802 based ECUs in the following sectionf of this document Nistune Type 1 Hardware Installation Page 9 of 33 B 1986 Single Board Dual ROM ECUs Vehicles Z31 300ZX VG30 1986 1987 CR31 VL VLT RB30 Note Some 1986 era ECU have both 28 pin IC4 and 24 pin 1C5 chips which will need removing These chips are located next to each other 1 Remove both of these ROM chips per picture below The second smaller ROM is not needed for normal ECU operation once the Nistune Type 1 board has been installed e ES 9 c ue uy a Nistune Type 1 Hardware Installation Page 10 of 33 a Single ROM ECU Only IC4 needs to be removed and replaced with a socket L T a i qu i IL h Em FU p ren b Dual ROM ECU Both IC4 and IC5 need to be removed Jumpered J3 by using a solder blob between J4 and the J3 pad fa N s La Y ui UTI RETI 9a ill LIS p sn A M M FE PE PE oF 8 Tee add dn rere RERAN p m SA ail Ll 2 Where the 28 pin ROM ICA has been removed replace this with a 28 pin machine drilled Socket Note the orientation of the socket must have the crescent indent facing the same direction of the previously installed ROM chip If IC5 was removed f
14. hardware to handle the difference in air flow meter voltage This is done by either altering or removing the circuitry path via the opamp and then limiting the maximum voltage using a zener diode These instructions details the steps to take when modifying the ECU Further instructions regarding MAF pin outs are available in the Software Users Manual 1984 1986 CR31 Z31 VLT 1 Locate the op amp surface mount board in your ECU as pictured below 2 Remove pin 14 on RHS of mini board from the board Do this by applying heat to the top of the connector and then pushing away from the mini board with a flat blade screw driver Note It is not necessary to completely remove the pin from the ECU as long as the pin is pushed back and no longer touching the opamp board Note Previous zener diode modification when using this method is no longer required 3 Rewire the AFM as per pinouts in the AFM wiring document on the Nistune website Nistune Type 1 Hardware Installation Page 28 of 33 1987 1989 Z31 1 Disconnect parallel resistors pictured below and and remove resistor R201 i TENT o AME 2720 3 ili ro 2 Rewire the AFM as per pinouts in the AFM section of the Nistune Software Users Manual Nistune Type 1 Hardware Installation Page 29 of 33 1986 1988 HR31 RB20DET Note the later year models such as MEC R70 do not require this modification 1 Locate opamp daughter board ea Eom Am a a MER an amp gs i j
15. ich the Nistune board connects to on this particular ECU e ez Lg s il aii ala ese ig a 1535353h 14113 iene ay eg ji e n Ch H pal Hajaj ih d si que s HRS x a rS umm mr s LE i shines a fn X Nistune Type 1 Hardware Installation Page 13 of 33 HR31 RB20DET i ivan o og 1o00 Sale LIFT VITIELITITA Ez E ar a asi ioi Foa Mri Tip HE rai 1 om i a H n gie ina TL entis l Aga si Dini Vasi E TE ELA dgr Oe 9 c Tare LIU Te E EGE GLE LEIS E 3 1 E 4 a a n a LI n a E LE EN Eta ELLA Ee Ron s sw a LELE paz n LELE Nistune Type 1 Hardware Installation Page 14 of 33 A31 RB20DE DET m of ada Oi JEEEEE ELLAS reina vel re UN za M n x SEGARA PEELE GE EE ET ni 1 LOL pd 12213110 al L rg ilh nm T Te Po LES dh p i i fett a A i E EK10 MAO9ERT S13 KA24E 1 Remove the factory ROM chip install a 28 pin machine drilled socket 2 Then test that the ECU still works by placing the factory ROM chip in the socket and checking the vehicle runs and flashes LEDs when in diagnostic mode Installation of the Nistune board now follows the same procedure as for other 6802 based ECUs apart from the header connector Nistune Type 1 Hardware Installation Page 15 of 33 4 CPU Header Connector Installation X1 The Nistune board will come supplied with two header
16. ill in the through holes where the 24 pin ROM was mounted with solder 3 Use some solder to connect J4 to J3 as seen in the picture above on the Dual ROM ECUs This will enable useage of only the 28 pin chip 4 Verify ECU operation with new socket using only the factory 28 pin ROM chip The LEDs should flash when in diagnostic mode and vehicle should function as normal If not then immediately remove power and recheck your soldering Installation of the Nistune board now follows the same procedure as for other 6802 based ECUs Nistune Type 1 Hardware Installation Page 11 of 33 C 1987 Single Board Single ROM ECUs Vehicles Z31 300ZX VG30 1987 VL RB30 These ECUs only contain a single chip such as pictured below one 28 pin ROM chip e E E 3 e T EN p 4 d m Jon T LA Tg I 4 z5 i oF Iu aT 4 1 LA E i x i f i 2 Then test that the ECU still works by placing the factory ROM chip in the socket and checking the vehicle runs and flashes LEDs when in diagnostic mode Installation of the Nistune board now follows the same procedure as for other 6802 based ECUs Nistune Type 1 Hardware Installation Page 12 of 33 D 1989 Single Board Single ROM Header Connector ECUs Vehicles Z31 VG30 late HR31 RB20 S13 CA18 A31 RB20 EK10 MA09 S13 KA24E These ECUS either only contain a single chip such as shown in the pictures below These contain a header connector wh
17. muemg sz95m 5 Opening need 5 miis ieomi z 05m 6 1984 1985 Dual Board Dual ROM ECUS iii 7 1986 Single Board Dual ROM ECUS iia vitet xt debt bel etit es da tewirbveve t Dole eo 10 1987 Single Boatd Sinole ROM ECUS acilia 12 1989 Single Board Single ROM Header Connector ECUS 13 CPU Header Connector Installation X1 ccccescecsseceeseeeceeeeteneeteeeeeeeeeceaeeteneetegeeeeeaeetsneeteaeetas 16 A EgllWvMOOerEGUS sicroio UU iano Siate iero ale LS 17 Eater MOdErE CUS Riace 18 USB Connector Installation 2 a ou Deed 22 MSEMO BOW M RERO EU t E 24 SCC SSO ANG ciccia 26 ASAT VS NOVA CLG Re TE UU UT 27 JearaainadEGbu WAE nnar Wale Nasen edera 28 Nistune Type 1 Hardware Installation Page 4 of 33 1 Removing the ECU Locate the ECU in vehicle to be modified The location of the factory ECU can be identified from the vehicle service manual Usually for most Nissans the ECU is located in the passenger kick panel Disconnect your negative battery terminal prior to removing the ECU Remove the screws holding in the mounting bracket Then slide the ECU out from the kick panel and unplug unscrew the connectors Below is a picture of the ECU with the mounting bracket removed If sending the ECU away for Nistune board installation please send without the mounting bracket 2 Opening the ECU For Nistune board installation firstly remove
18. nt coverage of circuit board components is made such that vibration will not affect the adhering of hot glue WARNING If removable jumpers are not secured correctly and temporarily or permanently become disconnected ECU will not function Note that the four pin header must be also secured using hot glue or similar method Nistune Type 1 Hardware Installation Page 26 of 33 8 Installing In The Vehicle Put the ECU casing back together and reinstall ECU into the metal bracket The diagnostic indicator now containing the USB B port should be accessible as seen below Reinstall ECU into vehicle You may need to enlarge kick panel diagnostics hole for correct line up of the USB B connector to the ECU Connect the USB cable to the ECU through this port and other end to the laptop Turn the vehicle Ignition switch to ON without starting the car Your fuel pump should operate as normal and the car should be able to start If not then immediately turn off the engine and attempt to diagnose the problem following the Nistune diagnostics document If your ECU pulses the fuel pump injectors fuel regulator flashes LEDs randomly or they just stay on or does not start then your ECU could be reading a corrupt ROM image Testing has shown that a corrupt ECU can keep the heater element on longer than 1 second and blow it like a fuse Ensure a corrupted image in your ECU is rectified immediately and is powered off if corruption is suspected to avoid
19. s for the software product Nistune Software and any computer chips circuit boards or any other physical carrier or medium on which the Software is loaded or programmed Hardware The Software includes computer software and programs printed materials and electronic documentation By installing the Software and Hardware copying or any other use of the Software you agree to the terms of this Agreement If you do not agree to the terms of this Agreement you are not allowed to use or copy the Software 1 GRANT OF LICENSE Individual User Licence If you purchase an Individual User Licence you are granted a licence as a single user of the Software And are authorised to install and use it on up to five 5 vehicles but you may not install the Software for any other person and may only make a single backup copy of the Software Commercial User Licence If you purchase a Commercial User Licence you are granted a licence as a commercial user of the Software And are authorised to install and use it on an unlimited number of vehicles but you may not install the Software for any other person unless you have a written Reseller Agreement with Nistune Developments and may only make a single backup copy of the Software Use of the software by both Individual and Commercial Users The Software may be installed on multiple computers belonging to you for so long as those machines remain your property Regardless of other rights the author of the software
20. stallation Page 6 of 33 A 1984 1985 Dual Board Dual ROM ECUs Vehicles Early Z31 300ZX and E12 Nissan Exa This is a multiboard ECU with a 1K and 8K ROM chip The two chips need to be removed and jumpers changed on the board before the Nistune board can be installed The ROM images must be read using a special adaptor plugged into an EPROM programmer These are then combined into a 16K image and converted into a Nistune ENT file for programming the board Nistune Type 1 Hardware Installation Page 7 of 33 To remove the two ROM chips U3 and U4 desolder from the top side of the ECU Be very careful with the heat of the desoldering gun because the pads on these ECUS lift very easily It doesn t take much to break a track on these earlier circuit boards Insert the supplied IC socket in IC3 and solder in Fill in the through holes if IC4 with solder DA ITITTYTT ge p TTTIIILLLAA r a 4434344444449 4 Jd 4 357 Ld Lu t ceceecee N e 1117 A N LM e LIII SS LIE E TELDE v a P vd eee geaseree Peseserer a ara ACARAR R R ra eeceere ia aa SSS 2401 11 d 3 d dz TATA ao LAA vOvopi 4 LLL NK N ded TITLE TTITILIE ey itt E SS T e ERRATA rr ee Dor M pa E cedit DERE ERROR REL OR RAE EUER UE LE Next remove the four brown jumpers These are J4 J5 J8 and J10 You can shorten these existing jumpers positions to J3 J6 J7 and
21. the machine drilled socket previously installed Connect the CPU cable to connector X1 and the USB cable to connector X2 f removing the board tilt slowly side to side to avoid damaging the pins Ensure the PGM jumper is not soldered if the board was previously programmed Where there is a knock sensor board being wary of the knock sensor cable m LE Lai 13 CA18 M30 VG30 A31 RB30 S13 KA24E Installation Nistune Type 1 Hardware Installation Page 24 of 33 m i J a n ir por DOO a H Ls iy OLIO s i n 14 F A eni ing da 7 ate Plo SE hie T dei HR31 HR20 Installation EET e Nistune Type 1 Hardware Installation Page 25 of 33 7 Securing the Board It is the responsibility of the installer to ensure that an vibration that the ECU is subjected with the installed Nistune board i e unsurfaced roads train lines speed humps grates etc will not affect to operation of the vehicle The Nistune board must be installed using machine drill pin sockets which ensure firm connection to the ECU However the board itself must also be secured to the ECU through suitable means such as hot glue to surrounding components Also be aware that surrounding components are sprayed with conformal coating This coating may lift during vehicle operation and hot glue may become separated from components Ensure that either conformal coating is removed where hot glue is adhered to or sufficie
22. the top and bottom lids from the ECU Screws require a correctly matched Philips head screw driver as they are usually fitted from factory with a red or blue epoxy which requires some force in order to remove the screws POPP PPP rer rb there A 3 2 rad a LET J OGRE gt E UY env 5 Way ptt ETit cubi badada S ETET T The following chapter is split into different sections dependent on what ECU you have Nistune Type 1 Hardware Installation Page 5 of 33 3 Resocketing the ECU IMPORTANT Nissan ECUs are sprayed with conformal coating at the end of manufacture This is to protect digital circuitry from moisture Remove conformal coating around the chips to be removed from the ECU before desoldering SI e E Use Acetone or paint thinner to remove the coating on both sides of the chips with a hard bristle brush and cloth to remove excess coating This solution should also be used for removing flux after soldering in the ECU socket and CPU connector to give the ECU a clean finish after installation sP a gm BU TA 7 c After removing the conformal coating then the chips can be desoldered Ensure that a suitable desoldering gun is used and that there is a sufficient heat bridge between each soldered pad and the desoldering gun Flux or additional solder can be used to create the heat bridge if reugired Read our soldering guide for more information Nistune Type 1 Hardware In
23. this situation possibly occurring to you Following Nistune USB device installation configuration and connection pressing the USB Consult button should highlight in red and viewing the Consult Display should show the battery temperature and AFM voltages ajes mu immo var Tuner h ECU 23710 00000 PREV 11 Perform Comparison Turn the vehicle Ignition switch to START briefly to run the engine Whilst the engine is running the Consult Display should indicate more parameters and map tracing should be available in the various graphic windows available from the Nistune software Refer to the Nistune Software Operators Manual and Type 1 Quick Start Manual for more information regarding the installation of USB drivers and usage of the Nistune software Refer to the Nistune Diagnostics Manual if you have problems connecting to the Nistune board Nistune Type 1 Hardware Installation Page 27 of 33 9 Upgrading ECU MAF hardware Early model engine control units such as Z31 R31 most HR31 1985 1988 and VL Turbo use a 2 volt hotwire airflow meter These air flow meters then have their voltage converted to 0 5 volts for the internal microprocessor using what is known as opamp circuitry The later model ECUs and airflow meters all work on 0 5 volt circuitry When installing a later model mass airflow meter from a later model vehicle to one of these earlier model vehicles it is necessary to modify the ECU
24. tible equipment Due to the complexity of computer software we can not guarantee that the software or documents do not contain errors or works without intermissions on any equipment and software configuration To the extent permitted by law and except as set out in this Agreement all express or implied warranties guarantees and conditions relating to the Software and Hardware however arising are excluded 10 DISCLAIMER OF LIABILITY NO LIABILITY FOR CONSEQUENTIAL DAMAGES IN NO EVENT SHALL NISTUNE DEVELOPMENTS BE LIABLE FOR ANY SPECIAL INCIDENTAL INDIRECT OR CONSEQUENTIAL DAMAGES WHATSOEVER INCLUDING WITHOUT LIMITATION DAMAGES FOR LOSS OF BUSINESS PROFITS BUSINESS INTERRUPTION LOSS OF BUSINESS INFORMATION OR ANY OTHER PECUNIARY LOSS ARISING OUT OF THE USE OF OR INABILITY TO USE THE SOFTWARE OR HARDWARE EVEN IF NISTUNE DEVELOPMENTS HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES IN NO EVENT WILL NISTUNE DEVELOPMENTS BE LIABLE FOR ANY COMPUTER DAMAGE VEHICLE DAMAGE PERSONAL INJURY DEATH FINES LAWSUITS PROSECUTION LOST PROFITS LOST DATA INCORRECT DATA ENVIRONMENTAL DAMAGE GOVERNMENT LAW AND REGULATORY VIOLATIONS OR ANY OTHER INCIDENTAL OR CONSEQUENTIAL DAMAGES THAT RESULT FROM USE OR INABILITY TO USE THE SOFTWARE OR HARDWARE THE SOFTWARE AND HARDWARE IS NOT INTENDED FOR USE IN OPERATION OF MOTOR VEHICLES AND OR MACHINES WHERE THE USE FAILURE OR MISUSE OF THE SOFTWARE OR HARDWARE COULD LEAD TO DEATH PERSONAL INJURY OR PHY
25. ufficient size that the USB B type connector cable can fit through the hole to the socket in the ECU Ensure that all ECU housing debris caused by the drilling is blown away from the ECU circuitry afterwards Any debris that is remaining may cause short circuit to ECU components Nistune Type 1 Hardware Installation Page 22 of 33 lt Ha Then put the USB B socket inside the bracket and refasten the bracket as seen below If your ECU has no daughter board then the USB connector board may face upwards If you are using a daughter board then ensure that the USB adaptor board faces downwards and does not touch any other components Notes A31 RB20 S13 CA18 It may be necessary to use longer screws to hold the original potentiometer bracket U13 KA24E EK10 MAO9 The bracket has a single screw You will need to fabricate a custom bracket using two screw holes to hold the USB adaptor HR31 RB20 We have found that there is no room for the USB connector You may have to relocate this bracket by drilling and tapping new holes in a different location if you wish to have this fitted permanently Ensure your USB socket is installed correctly and pressed against the ECU casing This provides a ground contact point for the USB shield to the board to absorb electrical noise and prevent unwanted USB disconnects during operation Nistune Type 1 Hardware Installation Page 23 of 33 6 Inserting the Board Push the Nistune board into

Nistune Type 1 Hardware Installation

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