ECU Master Digital ECU Tuner 3, User Manual

Page 1: ...DIGITAL ECU TUNER 3 User Manual Page 1 www ecumaster com ...

Page 2: ...CU Tuner 3 DET3 Modification of the tables should be conducted only by people who understand the working rules of the device and working rules of the modern injection and ignition systems Always use the AFR meter during the modification of fuel settings Never short circuit the lines of the engine s wiring loom as well as the outputs of the DET3 device All modifications of the engine s wiring loom ...

Page 3: ...10 Analog Inputs 15 Analog output Analog Out 17 Controlling ignition angle 18 Power outputs Power Out 1 i Power Out 2 25 Parametric Output 29 Modification of frequency signals 32 Scales configuration 36 Signals logging 37 Road dynamometer 39 Launch control 42 Scope 43 MAF 0 5V to MAP conversion 44 Conversion of the frequency MAF into analog MAP sensor 46 Page 3 www ecumaster com ...

Page 4: ...er supply voltage an option to modify a signal from the frequency based MAP and MAF sensors in range of 17Hz 4kHz supporting the ignition signal with using variable reluctant sensors Hall s optical sensors and signals which control the ignition module The device services both the single ended and differential signals support of many ignition types 60 2 36 2 36 1 18 1 18 1 EDIS Multitooth Ignition ...

Page 5: ... of resistors and a rectifying diode useful for the installation of the device Firmware Firmware is the internal software of the device which is responsible for its functioning Because Firmware is upgradeable it is possible to update it which will make the device more functional in the future Additionally to use a new firmware a proper software client should be used for Windows The software is com...

Page 6: ...er accepting a window informing about the progress of the firmware s change will be displayed At this time don t switch off the computer nor the device If during the installation communication with the device will be broken to rescue the installation do the following 1 Connect the device to a laptop 2 Power up the device 3 Start the client for Windows 4 Choose Upgrade Firmware from the menu and fo...

Page 7: ...tion out Ignition output for the unipolar signal 7 Frequency out Frequency output 8 Pullup Pullup resistor 2K to 12V 9 Ignition in Ignition input for unipolar and bipolar signals 10 Frequency in Frequency input 11 Ground The device s Ground 12 5V out Output 5V for feeding of the additional sensors for example map sensor 13 Analog 1 in Analog Input 1 14 Analog 2 in Analog Input 2 15 Analog 3 in Ana...

Page 8: ...ppear informing that a new equipment is found Next choose the option Install from a list or specific location When installing from a CD from the set choose CD and DET3 USB_DRIVER folder for example D DET_3 USB_DRIVER If the driver is installed from a hard drive for example downloaded from www ecumaster com choose a proper folder The above directions should be repeated for every new equipment found...

Page 9: ...ory of the device Saving them is necessary so that they are not lost after power off COLORED CELLS Turns on off the colouring of the tables MARK VISITED CELLS Based on a data log marks cells which have been visited during a session DISPLAY ANALOG IN x VALUES covers the table with the values from a given analog input which are placed in a current log It helps to for example cover a table with AFR o...

Page 10: ...nput signal Analog In or a change of the frequency of the signal from the input Ignition 2 In more on the topic can be found in the chapter about frequency signals modification for the PWM1 PWM2 tables values in the cells denote the level of impulse duty cycle 0 100 In the mode of the direct injectors steering table values range from 0 200 for the Ignition table values in the cells denote the angl...

Page 11: ...ncrement key enables the change of the increment cell s value by 1 with the SHIFT key pressed by 5 Decrement key enables the change of the decrement cell s value by 1 with the SHIFT key pressed by 5 Zero 0 key resets cell s value to 0 Interpolate linearly interpolates cells values within a marked area 12 Display As in case of frequency signals it is possible to change the presentation of data from...

Page 12: ...th the SHIFT button 5 unit change 0 key resets cells value to zero There are 4 tables to choose from Fuel Table F1 It is the basic table where modifications of the fuel dose can be made with using modifications of analog and frequency signals PWM Table 1 F2 It is a table used for the configuration of the power output 1 PWM signal duty cycle 0 100 or in the case of direct injectors steering it is a...

Page 13: ...ignal for the Fuel Table can be chosen among Analog 1 Analog 4 Frequency and Zero Depending on the kind of a sensor analog frequency a proper input can be chosen Zero means that the value of a modified input signal will be 0 This option is used for the MAF to MAP conversion For the Load it is possible to choose all analog inputs and frequency input For the correction maps apart from the choices me...

Page 14: ...changed with a switch while driving the car The current set of tables is displayed on the toolbar as Current map set To change tables pull the input 2 of the device down Maps switch Attention When saving a project on a disc only the currently chosen set of tables will be saved Page 14 www ecumaster com Maps switch 2 DET 3 Table switch SW1 ...

Page 15: ...able value AnalogOutOffset Analog output offset menu Analog Output Configuration Correction1 Proportional value from the first correctional table s cell Correction2 Proportional value from the second correctional table s cell Load Load is used to determine the table s column where the value will be used X axis The example of the sensor which voltage or frequency can be used as load are for example...

Page 16: ...efine the range of the input voltages and to switch the filtering of the signal using digital low pass filter This option can be very useful if the input signal is noisy Each analog input can be configured as a correction input eg ignition angle in function of the temperature intake Also all spare analog inputs can be used for logging additional signals like signals from WBO controller Using logge...

Page 17: ...e the output will never be lower than Analog Out Min or higher than Analog Out Max In the Setup bookmark it is possible to set the offset Analog Out Offset for the analog output the way of calculating the value of the output voltage can be found at the description of the analog inputs The possibility to set the value of the device s initial voltage is an additional option DET3 needs about 7ms for ...

Page 18: ...ut can serve both signals the VR and Hall s optical sensors Input mode of Ignition 1 In Description VR Sensor adaptive threshold Input mode which serves VR sensors Thanks to the signal true zero cross detection and the adaptive hysteresis this input mode is very noise immune VR Sensor fixed threshold This mode is used to serve VR sensors using true zero cross detection and hysteresis at the 200mV ...

Page 19: ...ankshaft the angle between the teeth is 90 degrees and it is the maximal angle of the ignition retard Ignition configuration can be done in the Setup Ignition Configuration menu Ignition Mode choosing the ignition mode suitable for the ignition system of the modified vehicle Ignition input type choosing the ignition input mode of working enables the choice between sensors induction or Hall s Maxim...

Page 20: ... which means that one of the sensor s poles is connected to the ground and the signal is taken from the other one The second approach is treating the signal form the sensor as a balanced one differential and using both halves of the signal Another kind of sensors are optical Hall s sensors They require power supply and generate a rectangular unipolar signal Unipolar signal Bipolar signal Informati...

Page 21: ...y of the sensor is crucial in case of the balanced signal Reversed connecting will cause an inability to start the engine or errors in controlling the ignition For the VR sensors in the menu Setup Ignition Configuration choose the Ignition Input Type VR Sensor Adaptive Threshold applies to the single ended sensors as well as balanced ones Caution Signals from the VR sensors should be lead by shiel...

Page 22: ...ype of sensors have the open collector output which requires connecting the pullup resistor to 12V or using device s pullup pin For the Hall s optical sensors in the menu Setup Ignition Configuration chose the Ignition Input Type Hall Effect or optical sensor Page 22 www ecumaster com ECU Ignition In 9 Ignition Out 6 Pullup 3 DET 3 HALLSensor ...

Page 23: ...ed For this signal type in the menu Setup Ignition Configuration choose the Ignition Input Type Hall Effect or optical sensor As the ignition mode choose the Retard single signal This mode considers the coil dwell time and copies it in the output signal Page 23 www ecumaster com ECU Ignition In 9 Pullup 3 DET 3 Ignition Out 6 Ignition Module Ignition Coil ...

Page 24: ...hrough the length modification of the controlling SAW signal For this type of signal in the menu Setup Ignition Configuration choose Ignition Input Type Hall Effect or optical sensor Page 24 www ecumaster com 1 PIP 2 IDM 3 SAW 4 IGN GND 5 VRS 6 VRS 7 VRS Shield 8 VPWR 9 PWR GND 10 COIL1 11 CTO 12 COIL2 EDIS 4 CYL Ignition Out 6 Ignition In 9 DET 3 ECU ...

Page 25: ... controlled by PWM within the frequency range of 10Hz 2000Hz The PWM frequency for every output is defined in the Setup PWM Outputs Configuration window The Enable fast PWM 10x option increases the output frequency 10 times PWM controlling is used in all kinds of solenoids for example boost solenoid valve control or when using an additional injector injectors Values on the PWM table range from 0 1...

Page 26: ... between the endings 2 3 if it s not powered With the power on the opened connection is between 1 2 endings In the above connection 0 of the PWM duty cycle gives minimal boost defined by the wastegate actuator s spring 100 of DC causes maximal boost that the turbocharger can achieve To control the boost MAP sensor must be used for the Load It allows to control the boost in the feedback loop in the...

Page 27: ...esult enriching the fuel mixture A typical connection of the additional injectors is as follows The PWM frequency should be set in range of 30 40 Hz Using the PWM 1 map it is possible to control output DC extra fuel dose from 0 100 A typical example of this usage is a N A car with a turbocharger When the boost increases the DC of additional injectors also increase rising the fuel doses Due to the ...

Page 28: ... connections should be as follows To activate the option of the direct controlling of the injection time choose Setup Injection Control Configuration from the options then choose Injection control type Full group input Power Output 1 It is also possible to set the injectors opening time default value is 1ms that is not scaled by tables values The injectors scale factors can be found on the PWM Tab...

Page 29: ...l LED diode electrovalves buzzer etc If the required current exceeds 5A for example fuel pump water injection pump etc electric relay must be used It is important to remember to connect an extra Ground to the 19 pin Power Ground when using the Power Out 2 output Warning Current draw that exceeds 5A will damage the device Sample wiring diagrams 1 Connection of the LED diode eg Shift Light 2 Connect...

Page 30: ...each input it is possible to choose a condition that needs to be fulfilled to activate an output The Hysteresis Hist is used to define hysteresis value This value defines the condition for the output deactivation For example if the LED diode is used as a shift light when the engine revolutions are higher than 5000 and hysteresis will be defined at the level of 500 revolutions the LED diode will tu...

Page 31: ...LED diode will turn on When the RPM drops under 7100 the LED will turn off Activation of the Nitrous Oxide Systems NOS In Analog In 1 there is connected the TPS sensor The NOS system will be activated if the throttle body is fully open TPS voltage over 4 0V and RPM are higher than 3000 Page 31 www ecumaster com ...

Page 32: ...equency from the flow meter or frequency map sensors connect signal to the Frequency In input In most cases it will be necessary to connect the pull up resistor as most of the sensors are open collector type Depending on the frequency range of t sensor it is possible to use one of two modes of the signal s value change linear or nonlinear For a linear mode frequency change is linear proportional t...

Page 33: ... If FreqOut FreqMin FreqOut FreqMin If FreqOut FreqMax FreqOut FreqMax It is possible to preview the nonlinear values on the map To do this click the right mouse button on the map area and choose Display As Frequency on the context menu Page 33 www ecumaster com 128 120 112 104 96 88 80 72 64 56 48 40 32 24 16 8 0 8 16 24 32 40 48 56 64 72 80 88 96 104 112 120 128 2500 2000 1500 1000 500 0 500 100...

Page 34: ...of the generated signal is calculated in the non linear way For this mode input signal from the Frequency In input is ignored FreqOut F MapValue If FreqOut FreqMin FreqOut FreqMin If FreqOut FreqMax FreqOut FreqMax The chart below presents the dependency between values on the table and the output frequency Page 34 www ecumaster com 128 120 112 104 96 88 80 72 64 56 48 40 32 24 16 8 0 8 16 24 32 40...

Page 35: ... FreqMin FreqOut FreqMin If FreqOut FreqMax FreqOut FreqMax An exemplary wiring diagram of the VSS sensor connecting 4 Generating the output signal for digital tachometers It is possible to generate frequency signal for digital tachometers where signal is received from ECU and not from the ignition coil Frequency of the output signal depends on the current engine speed mulitplied by the RPM Multip...

Page 36: ...he analog inputs can be used To find the window with scale choices choose Setup from the menu and then Scales Configuration In this window it is possible to choose a proper scale for every analog input The choice is voltage scale proportional percent scale for example for TPS pressure sensors for example MPX4250AP GM 115kPa Greedy 3Bar temperature sensors AFR narrow band Zytronix WBO linear wide b...

Page 37: ...bout scales can be found in the chapter Scales Configuration Also it is possible to save and read the saved logs on the disc This can be done in the File Load Log File Save log menu 1 Log s area with the signals graph logged in 2 Scales ascribed to signals The color of a scale matches the color of a logged in signal 3 Values currently indicated by the point of the cursor s log 4 Menu right mouse b...

Page 38: ... option 6 Options of displaying the device s outputs and inputs on the log Every signal is logged even when it s not marked as a displayed signal Smooth Graph option switches on filtering of the displayed data which causes the straightening of the curves Enable log option turns the logging on off It is important that rewinding and analyzing of the log is possible only when the option Enable Log is...

Page 39: ...he rotational speed of the engine Another method is giving the precise parameters of the gear box and tires of a car Gearbox and tires section Gear ratio The difference in rotational speed from the input to the output shaft Driving axle gear ratio Współczynnik przełożenia głownego Tire section width Tire s width in millimeters Tire profile Profile of a tire Wheel diameter Wheel diameter in inches ...

Page 40: ...ed by using the Save option and read in again by using the Load option To generate the dyno graph data should be collected in the first place To do this press the Start Dyno button in the log bookmark After finishing measuring the drive press the End Dyno Button It is also possible to generate the power graphs from a normally collected data log However in the Dyno mode the software is able to coll...

Page 41: ...P format To do this choose Export Dyno Graph as BMP option from the Dyno menu It is also possible to export text data in CSV format for further analyzes in other programs eg Microsoft Excel To do this choose Export Dyno Graph to CSV file option from the Dyno menu Page 41 www ecumaster com ...

Page 42: ...f when the car speed is greater than the defined value VSS sensor must be connected to the Frequency In input of DET 3 Parameters Activation input analog input used for activating the launch control function Activation RPM engine speed which the ignition retardation and the fuel mixture enrichment takes place Cut off RPM engine speed when the ignition will be cut off Ignition Retard ignition retar...

Page 43: ...ps permanent function After selecting the Scope ignition mode the button Get Data from Scope window menu Tools Scope is enabled To gather signal information press Get Data button The gathered signal waveform appears The amplitude of the signal doesn t represent the amplitude of the real signal The user is able to get additional signal information by selecting the area of interest by using the mous...

Page 44: ...a gathered during the ride will be used to generate the conversion table so it is very important to drive with diverse load and RPM After the stage of data gathering on the log window press the right mouse button and choose Convert MAF to MAP option Fuel table will be created which has to be saved in the devices memory MAKE MAPS PERMANENT It is also important to change settings in the tables and a...

Page 45: ...eds about 6ms for initialization During this time on the analog output there is the value from the analog input In our case it will be 0V To avoid the ECU limp mode in the device s configuration Force Startup Output Value option should be set and later in the Startup Value set the MAF sensor voltage of non running engine Corrections on the map should be made if needed special attention should be p...

Page 46: ...tab press the Clear button to reset the previous log and then take a ride The data gathered during the ride will be used to generate conversion table so it is very important to drive with diverse load and RPM After the stage of data gathering on the log window press right mouse button and choose Convert Freq MAF to MAP option Fuel table will be created which has to be saved in the devices memory M...

Page 47: ...tention should be paid to idle revolution Additionally using the air temperature sensor in the intake manifold it is possible to make correction of the fuel dose depending on the intake air temperature lower the fuel dose when the temperature of the intake air rises Page 47 www ecumaster com ...