Motec M880 User Manual

M oTe C M400/M600/M800/M880 User’s Manual Contents Introduction ... 1 Addition

8 Overview M400 Up to four ignition outputs are available for multi coil applications. M600 Up to six ignition outputs are available for multi coil a

98 Notes

MoTeC Notes 99

MoTeC Overview 9 Used for Telemetry Output (M800 & M880 only).

10 Overview Calibration & Setup Calibration Tables The Calibration Tables determine how the output devices should be controlled for various senso

MoTeC Overview 11 Setup Parameters The Setup Parameters allow the ECU to be configured for almost any engine. The Setup Parameters include Number

12 Overview Digital Input Functions The following functions are setup in the Digital Input Functions menu • Speed Measurement • Period Measurement

MoTeC Overview 13 • DC Servo Motor Control • Cam Control • Power Hold Output • Servo Stepper Motor Control • Fuel Pressure Control

MoTeC Software 15 MoTeC Software The following software is available. Note that the same software is used for all ECU models. ECU Manager: Used

16 Software Installing the Software The M oTe C Software must be installed on to the PC hard disk before it can be used. The main software required

MoTeC Software 17 The items to be logged and the logging rates must be setup using the M oTe C ECU Manager software. This is done in the Data Log

Calibration ... 47 Warning Alarms ...

MoTeC Installation 19 Installation Throttle Position or MAP Load Sensing The load point for the fuel and ignition calibration tables may be based

20 Installation Sensors Throttle Position Sensor The Throttle Position sensor must be a potentiometer type, older switch types are not suitable. The

MoTeC Installation 21 Avoid severe vibration of the sensor as this can cause fluctuations in the reading. Do not mount rigidly to the engine. Nor

22 Installation The ECU Sensor Setup parameters must be set to indicate the particular type of sensor. Engine Temp Sensor The Engine Temperature sens

MoTeC Installation 23 REF / SYNC Alignment Most modern distributors supply both REF and SYNC signals in which case the alignment is pre-set. When

24 Installation Wiring Reliability The wiring is critical for reliable operation of the ECU. The following points will help to ensure that the wiring

MoTeC Installation 25 Soldering the terminal is a last resort if the correct crimping tool is not available. Soldering will cause a stress point w

26 Installation Fuel System An ideal race fuel system is shown below InjectorsFuel RailPressureRegulatorPressure Pump Filter SwirlPotLift PumpStraine

MoTeC Installation 27 It is very important that the pump is capable of maintaining the correct fuel pressure at full power otherwise the engine co

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

28 Installation Fuel Rails The fuel rails must be free of any debris that could block the injectors. Welded fuel rails can often cause a problem unle

MoTeC Installation 29 As a rule of thumb the engine will require about 5cc per minute per horse power for petrol or gasoline. For alcohol a higher

30 Installation Duty Cycle The Injector Duty Cycle is a measure of the ratio of the time the injector is open (pulse width) to the available time per

MoTeC Installation 31 Coil per plug One coil for each spark plug, fired sequentially. Double Ended Wasted Spark Double ended coils have two high

32 Installation  Do not use resistive suppression leads as they will reduce the spark energy. Auxiliary Valves The ECU can control various auxiliary

M oTe C Initial Setup 33 Initial Setup Before attempting to start the engine the setup parameters must be correct. Use the M oTe C ECU Manager s

34 Initial Setup Crank Reference Teeth (CRT) Crank Index Position (CRIP) These parameters are dependant on the type of trigger system. Refer to the a

M oTe C Initial Setup 35 Input / Output Functions Setup any essential Input / Output functions. It may be best to start with any non essential fun

MoTeC Initial Calibration 37 Initial Calibration Before attempting to start the engine the calibration tables should be initialised to sensible va

38 Initial Calibration Fuel - MAP Check the Fuel - MAP compensation table. The fuel must be increased by 100% every 100 kPa increase in air pressure

MoTeC Initial Calibration 39 -20 -10 0 10 20 30 40 50 60 70 80 90 100+ -12 -9 -6 -3 0 0 0 0 -3 -6 -9 -12 -15 Other Ignition Compensation Tab

M oTe C Initial Starting Procedure 41 Initial Starting Procedure The ECU Manager software should be used to assist during starting. The ECU Mana

42 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 43 Check that no REF or SYNC Diagnostic Errors occur during constant cranking. Diagnostic errors may occur as

44 Initial Starting Procedure If the Engine won’t start  Check for correct fuel pressure.  Check for fouled plugs.  Re-check for diagnostics erro

M oTe C Initial Starting Procedure 45 Injector Errors Open The Injector is open circuit - check the wiring. Short The Injector is short circui

46 Initial Starting Procedure SYNC Error The SYNC signal has occurred before expected. Possible causes :  A bad SYNC signal has caused extra SYNC p

M oTe C Calibration 47 Calibration The Calibration Tables determine how the output devices should be controlled for various sensor readings. For e

MoTeC Overview 3 Overview The M oTe C M400, M600, M800 & M880 ECU’s are powerful and compact programmable Engine Management Systems or Engin

48 Calibration Site Tables The RPM and Load sites for the various calibration tables may be modified in the Setup Sites screen. A number of site tabl

M oTe C Calibration 49 The Air Fuel Ratio should be adjusted according to the engine load and the desired results, e.g. power, economy, emissions

50 Calibration The Ignition Timing should be adjusted for maximum torque without knocking, by increasing the advance until the torque stops increasin

M oTe C Calibration 51 Fuel - Cold Start The Cold Start parameters may be adjusted after the Fuel - Main Table has been adjusted and the 0 RPM sit

MoTeC ECU Manager Software 53 ECU Manager Software Introduction The following is an overview of the main concepts of the ECU Manager software.

54 ECU Manager Software PC Requirements See the MoTeC Software section earlier in this manual. Connecting a PC to the ECU See the MoTeC Software sec

MoTeC ECU Manager Software 55 This also allows the configuration to be sent and retrieved much faster. Making Adjustments To enter adjust mode se

56 ECU Manager Software Context sensitive help is available by pressing F1 or clicking on the help button, this shows help that is relevant to the c

MoTeC ECU Manager Software 57 reason that it is not connected is shown where the Diagnostics Errors are normally shown.  The number of diagnosti

4 Overview • Other optional functions include: Traction Control , Boost Enhancement (Anti-lag), Hi/Lo Injection, Gear Change Ignition Cut, CAM Contr

58 ECU Manager Software Matching Versions The version of ECU Manager and the version of the firmware in the ECU must match in order to be able to co

MoTeC ECU Manager Software 59 Screen Layouts The screen layouts are completely user definable and may be optimised to suit the user’s preference,

60 ECU Manager Software Layout Objects To add an object to the layout page select Add from the Layout menu or right click on an empty space in the l

MoTeC ECU Manager Software 61 Y Axis Reversing On certain graphs it may be desirable to reverse the Y axis so that the graph surface is easier to

62 ECU Manager Software Making Adjustments On Line / Offline Changes may be made directly to the ECU (Online) or to a file (Off line). Online (ECU

MoTeC ECU Manager Software 63 Selecting the Adjust Table Once a file or the ECU has been opened the appropriate table or setup screen may be sele

64 ECU Manager Software Changing Table Values Selecting the Item to be Adjusted The cursor selects the table value that may be adjusted. The cursor

MoTeC ECU Manager Software 65 For best calibration the indicator should be within or close to the centre rectangle, this ensures that the ECU tun

66 ECU Manager Software Quick Lambda The Quick Lambda feature allows the Fuel - Main Table values to be adjusted to the correct lambda by simply pre

MoTeC ECU Manager Software 67 Tools The Tools Menu allows selection of various functions as listed on the menu below. The Tools Menu may also b

MoTeC Overview 5 compatible with the Bosch 4 wire LSM sensor. (Dual Lambda not available on M400) Telemetry Enables the ECU to send telemetry data

68 ECU Manager Software The comparison file may be selected by choosing Select Compare File from the Tools menu. When Compare Mode is turned on an i

MoTeC ECU Manager Software 69 Lambda Was Adjusts the fuel table value by an appropriate amount by comparing the value entered by the user to the

70 ECU Manager Software Copy Vertical Column Right Copies the data in the current Column to the Column immediately to its right. Copy Horizontal Row

MoTeC ECU Manager Software 71 Copy Table from Another File Copy a table from another calibration file into the current table. Warning - The curr

72 ECU Manager Software View Screen The View Screen may be shown by pressing the V key or by selecting the desired view page from the View menu. The

MoTeC ECU Manager Software 73 Testing the ECU Outputs The ECU Outputs (Fuel Injectors, Ignition Outputs and Auxiliary Outputs) may be tested by s

74 ECU Manager Software Enabling ECU Options A number of options are available which allows the ECU to be configured for a particular need or update

MoTeC ECU Manager Software 75 Keyboard Reference PgUp Adjust Up PgDn Adjust Down Ctrl + PgUp Fast Adjust Up Ctrl + PgDn Fast Adjust Down Shi

76 ECU Manager Software Alt+1...0 Select Individual Cyl 1…10 table (Only when an Individual Table is currently selected)

MoTeC Appendices 77 Appendices Appendix A: General Specifications Physical Case Size 147mm x 105mm x 40mm (5.8in x 4.1in x 1.6in) Weight M400, M

6 Overview ECU Inputs & Outputs The ECU analyses signals from the sensors, then controls the Fuel Injectors, Ignition System and other auxiliary

78 Appendices Appendix B: Sensor Supplies Maximum Current 5V ENG Sensor Supply: 0.20 Amps Max 5V AUX Sensor Supply: 0.15 Amps Max 8V ENG Sensor

MoTeC Appendices 79 Appendix C: Input Characteristics Analog Voltage Inputs Suitable for: Potentiometers, Voltage output sensors & Variable re

80 Appendices Lambda Inputs Wideband Sensor Type: NTK or Bosch LSU Measurement Range : 0.70 to 32.0 Lambda Narrow Band The LA1S and LA2S inputs may b

MoTeC Appendices 81 Appendix D: Auxiliary Output Characteristics The following tables list the characteristics for the Auxiliary Outputs, includin

82 Appendices Appendix E: Ignition Output Characteristics Source Current: 20mA (Single Coil / Coil per Plug) / 40mA (Wasted Spark) Source Voltage: 5.

MoTeC Appendices 83 Appendix F: Injector Output Characteristics The Injector outputs can operate in two modes: Peak and Hold mode and Saturated mo

84 Appendices Appendix G: M880 Connector Mating Connector (for M880 only) Deutsch : AS6-18-35SN Wire Wire to suit connector : 22# Tefzel, Mil Spec :

MoTeC Appendices 85 Appendix H: Wire Specifications M22759/16 Wire Ratings (For Various Wire Gauges) Insulation Material : Tefzel Conductor : Tin

86 Appendices Appendix J: CAN Wiring - Multiple Device The CAN bus should consist of a twisted pair trunk with 100R (0.25Watt) terminating resistors

MoTeC Appendices 87 Appendix K: CAN Bus Wiring - Single Device When a single device (such as an ECU) is connected to the CAN bus then the wiring s

MoTeC Overview 7 The Throttle Position, Manifold Pressure, Air Temp and Engine Temp are used as inputs to the various calibration tables. Optional

88 Appendices Appendix L: Pin list by Function M400 M600 M800 M880 Pin No Pin No Abrev Description Battery A26 23,32,41 VBAT Battery Positive A1

MoTeC Appendices 89 A21 63 INJ3 Injector Output 3 A22 66 INJ4 Injector Output 4 A27 24 INJ5 Injector Output 5 (Not a

90 Appendices Comms B17 40 TX-232 RS232 Transmit Data B18 31 RX-232 RS232 Receive Data B24 47 CAN-LO Can Bus Low B23 48

M oTe C 9 1 BlackGreyYellowWhiteRedNot UsedHeater +12Heater-Sensor 0VVsIp654321ECU SetupLa1 ( La2 ) VALUE 38 =La2

92 REF(Magnetic)ManifoldPressureThrottlePositionA13B2B1A15A14AV 2AV 1A20AUX OUTPUTSStepper Motor, Relays or ValvesInjector 2IgnitionSystemSee D

M oTe C 9 3 REF(Magnetic)ManifoldPressureThrottlePositionA13B2B1A15A14AV 2AV 1A20AUX OUTPUTSStepper Motor, Relays or ValvesInjector 2Igni

94 REF(Magnetic)ManifoldPressureThrottlePositionA13B2B1A15A14AV 2AV 1A20AUX OUTPUTSStepper Motor, Relays or ValvesInjector 2IgnitionSystemSee D

M oTe C 9 5 REF(Magnetic)ManifoldPressureThrottlePosition256491826AV 2AV 150AUX OUTPUTSStepper Motor, Relays or ValvesInjector 2IgnitionS

96 Notes

MoTeC Notes 97