Motec M8 Manuale Utente

M oTe C M4, M48 & M8 User’s Manual i Contents Introduction ... 1 Additi

8 Overview All ECUs All ECUs may drive up to 8 coils when used with the M oTe C Ignition Expander. Auxiliary Outputs The Auxiliary Outputs may be us

M oTe C M oTe C Software 9 MoTeC Software The M oTe C Software is a collection of software programs that allow the user to perform various tasks

10 M oTe C Software Software Installation The M oTe C Software must be installed on to the PC hard disk. To install the software place the M oTe C

M oTe C M oTe C Software 11 chosen. The currently selected ECU type and version are shown at the top right of the screen as shown below. Currently

12 M oTe C Software E.M.P. includes the following features :  Storage of the Calibration Data on disk.  Transfer of any Calibration Data File fro

M oTe C M oTe C Software 13 Upgrading The ECU Control Software controls the function of the ECU. Upgrading the control software allows the latest

14 Installation Installation Throttle Position or MAP Load Sensing The load point for the fuel and ignition calibration tables may be based on the Th

M oTe C Installation 15 Sensors Throttle Position Sensor The Throttle Position sensor must produce a voltage between 0 and 5 volts, proportional to

16 Installation If used for Manifold Pressure Sensing For normally aspirated engines use a 100 kPa sensor. For turbo charged engines a 300 kPa absolu

M oTe C Installation 17 Engine Temp Sensor The Engine Temperature sensor is mainly used for cold start enrichment. The sensor contains a temperature

For racing and off highway use only Not legal on emissions controlled vehicles unless appropriately certified  Copyright - Electronic Performance

18 Installation When using separate REF and SYNC sensors the alignment of the two sensors relative to one another is critical. Ensure that the sensor

M oTe C Installation 19 Wiring Reliability The wiring is critical for reliable operation of the ECU. The following points will help to ensure that t

20 Installation Soldering the terminal is a last resort if the correct crimping tool is not available. Soldering will cause a stress point where the

M oTe C Installation 21 Fuel System An ideal race fuel system is shown below InjectorsFuel RailPressureRegulatorPressurePumpFilterSwirlPotLiftPumpSt

22 Installation It is very important that the pump is capable of maintaining the correct fuel pressure at full power otherwise the engine could be da

M oTe C Installation 23 Fuel Rails The fuel rails must be free of any debris that could block the injectors. Welded fuel rails can often cause a pro

24 Installation Sequential Operation The injectors are fired once per engine cycle and must be wired in the firing order of the engine. Sequential op

M oTe C Installation 25 Current Different injectors require different operating currents. The ECU injector drives must be programmed to suit the inj

26 Installation HEI Distributed High Energy Inductive (HEI) distributed ignition systems are generally limited to about 8000 RPM on an 8 cylinder eng

M oTe C Installation 27 Button RotationButton just leaving tower at TDC The button must be a wide tip type to cater for a wide range of advance poin

M oTe C Introduction 1 Introduction Thankyou for purchasing a M oTe C Engine Management System. This manual will help you understand the installat

28 Installation Mount so as to minimise vibration, this will help to prolong the ECUs life. ECU Cleaning Avoid high pressure washing or degreasing of

M oTe C Initial Setup 29 Initial Setup Before attempting to start the engine the setup parameters must be correct. Use the M oTe C E.M.P. Software

30 Initial Setup SYSn Sync Sensor Type (M4 & M48 only) rEF Ref / Sync Mode crt Crank Reference Teeth criP Crank Index Position These paramete

M oTe C Initial Setup 31 RPM Limit The RPM Limit and associated parameters should be set appropriately. Refer to the E.M.P. help screens for details

32 Initial Calibration Initial Calibration Before attempting to start the engine the calibration tables should be initialised to sensible values. Use

M oTe C Initial Calibration 33 If using Engine Temp compensation the following table can be used : -10 0 10 20 30 40 50 60 70 80 90 100 110+ 60 50

34 Initial Calibration Other Ignition Compensation Tables Typically all other ignition compensation tables should bet set to zero. Cold Start Start w

M oTe C Initial Starting Procedure 35 Initial Starting Procedure The E.M.P. Software should be used to assist during starting. The E.M.P. Software

36 Initial Starting Procedure Test the Sensors Before starting the engine test that all sensors are giving sensible readings by viewing their values

M oTe C Initial Starting Procedure 37 the errors need to be cleared by pressing the Enter key while viewing the E.M.P. Diagnostics Errors screen,

2 Overview Overview The M oTe C M4, M48 & M8 are powerful and compact programmable Engine Management Systems or Engine Control Units (ECUs) M4

38 Initial Starting Procedure  Check that the ignition is wired in the correct firing order.  Check that the ignition is firing on the compression

M oTe C Initial Starting Procedure 39  The Injector Current Setup Parameter IJCU is set too high.  The battery voltage is too low. Over Duty The

40 Initial Starting Procedure  A bad REF signal has caused missing REF pulses - check voltage levels with a scope.  Bad REF / SYNC alignment.  In

M oTe C Calibration 41 Calibration The Calibration Tables determine how the output devices should be controlled for various sensor readings. For exa

42 Calibration Dyno The alternator should be connected while tuning the engine to ensure that the injectors are working at normal operating voltage.

M oTe C Calibration 43 desired lambda value must be set in the Misc Functions - Lambda Control Table. (Requires Advanced Tuning). If the maximum val

44 Calibration Use the Trims Screen to check that all the ignition trims and compensations are correct (Press the T key). Refer to the E.M.P. Softwar

M oTe C Calibration 45 Data Logging & Road Testing The calibration must be verified on the road, this is best done by logging the air fuel ratio

46 E.M.P. Software E.M.P. Software The Engine Management Program (E.M.P.) is used for Setup, Calibration and Diagnostics of the ECU. Main Screen When

M oTe C E.M.P. Software 47 Options Bar The options bar shows the ECU serial number and which options are currently enabled, a tick indicates that t

M oTe C Overview 3 Advanced Tuning Option (M4 and M48 Only) Allows access to the Advanced Tuning features, which include : Traction Control & L

48 E.M.P. Software Help The Help item shows general help that is not necessarily available through the context sensitive help system. Quit To exit th

M oTe C E.M.P. Software 49 Selecting the Adjust Screen The Select Screen menu will be displayed when entering the Adjust Screens so that the desired

50 E.M.P. Software Calibration Screens The FUEL - Main Table calibration screen is shown below, the other adjust screens are similar. Not all the cal

M oTe C E.M.P. Software 51 Making Adjustments Up / Down Adjustment Up or Down adjustments may be made to the selected table value using the PgUp and

52 E.M.P. Software Set Indicators (*) An * will appear next to items that have been set, with the exception of tables that are dependent on the engin

M oTe C E.M.P. Software 53 Warning Alarms If the Warning Alarms have been set then a warning screen will be displayed if any sensor goes outside its

54 E.M.P. Software Diagnostic Errors Screen The Diagnostic Errors Screen may be viewed by pressing the F3 key or by selecting Show Diagnostic Errors

M oTe C 55 eCMoTM4 ECU WiringDate Drawn Rev22 / 8 / 1994 TW ADrawing NoECUAppTitleREF HallREF Mag65ECURef(Hall or Optical)5V(Manifold Pressure)(Opt

56 eCMoTM48 ECU WiringDate Drawn Rev15 / 1 / 1995 TW ADrawing NoECUAppTitleREF HallREF Mag65ECURef(Hall or Optical)5V(Manifold Pressure)(Optional)MAP

M oTe C 57 Ref+Ref -35A33A34AECURef(Hall or Optical)5V(Manifold Pressure)(Optional)MAP11213252436Sensors Injectors1A13AInjector 1GNDCBA11A+Sig- 8VR

4 Overview Load. Various other calibration tables will also affect the fuel injector pulse width. A typical 3 dimensional fuel calibration table is s

58 Notes

M oTe C Notes 59

60 Notes

M oTe C Notes 61

M oTe C Overview 5 Setup Parameters The Setup Parameters allow the ECU to be configured for almost any engine. The Setup Parameters include Number o

6 Overview ECUFuel InjectorsAuxiliary OutputsIgnition OutputsMain Engine SensorsINPUTS OUTPUTSeg. Idle Speed Valveeg. Waste Gate ValveThrottle Positi

M oTe C Overview 7 Fuel Injector Outputs M4 ECU Up to four groups of injectors may be driven by the ECU. On engines with more than 4 cylinders 2 or