Daytona Twin Tec
Contents
1. Twin Tec User Instructions for Twin Scan Il ABS CAUTION CAREFULLY READ INSTRUCTIONS BEFORE PROCEEDING THE USER IS ASSUMED TO BE FAMILIAR WITH MICROSOFT WINDOWS AND PC OPERATION OVERVIEW These instructions are applicable to all Twin Scan Il versions New Harley Davidson motorcycles use the SAE J1850 data bus for communications between the engine control module ECM instrument module IM turn signal security module TSM TSSM anti skid braking system ABS and diagnostic scan tools The Twin Scan Il is a low cost J1850 scan tool that is compatible with 2001 2014 H D fuel injected models using the Delphi fuel injection system including V Rod and 2003 2006 carbureted models with new 12 pin ignition module Please note that 1999 2003 carbureted Twin Cam 88 models and all models with the earlier Marelli fuel injection lack the SAE J1850 data bus and are not compatible with the Twin scan lI 2011 and later Softail and 2012 and later Dyna and 2014 touring models use CAN bus and are not compatible with the Twin Scan Il The Twin Scan II connects to the four terminal Deutsch style data link connector on the H D wiring harness and requires a laptop PC for user interface and data display You can read and clear diagnostic trouble codes from the ECM TSM TSSM speedometer tach on models with IM data bus and ABS if equipped You can view real time engine data on an instrument panel type display The2. 15 You can analyze data from multiple files that you previously saved If you want to add more data perhaps logged under conditions that will yield coverage of additional cells use the Open Additional File command from the File menu The data will be analyzed and incorporated into the table You can open an unlimited number of additional files However you cannot refresh the table format or parameters once Daytona Twin Tec LLC 933 Beville Road Suite 101 H S Daytona FL 32119 386 304 0700 www daytona twintec com 20 Filter Unstable Data AFR Target 10 5 19 5 25 30 40 es ax 100 you open an additional file These selections will become grayed out Also you cannot save or view the original data once you open an additional file Make sure you save any downloaded data before opening an additional file To start a new analysis you must exit from AFR Table Display and then use the Open File or Download command from the main menu Twin Scan Il ABS 10 2013 Page 11 SUPER TUNER TUNING RECOMMENDATIONS You can use two approaches to make the required corrections in the Super Tuner program If you have Microsoft Office with Excel you can directly copy and paste data from the Twin Scan II software to an Excel spreadsheet and then copy and paste from the Excel spreadsheet into the Super Tuner program In the Twin Scan II software you can select a range of cells with the mouse and right
3. the required volumetric efficiency VE correction in percent with the same RPM rows and throttle position sensor TPS or manifold pressure MAP columns used in the Super Tuner or Power Commander tables When used with the Daytona Twin Tec Twin Tuner series the program can directly export VE correction data to Twin Tuner data files Several sample data files are included in the program folder when Twin Scan II software is installed Twin_Scan2_Sample1 log Twin Scan II data from a fuel injected Twin Cam 88 showing a trouble code being set Twin_Scan2_Sample2 log amp Twin_Scan2_Sample3 log Twin Scan Il data from a fuel injected Twin Cam 88 showing air fuel ratio data logged from attached WEGO Figure 1 Twin Scan II ABS E TwinTec Twin Sean N ABS Par Twin Scan Il ABS 10 2013 Page 1 PC REQUIREMENTS The Twin Scan II connects to your PC by means of a USB interface A USB cable is supplied with the unit The PC must have a free USB port If you have an older PC without USB capability you cannot use the Twin Scan Il We recommend a laptop PC with Pentium processor and super VGA display SVGA with 1024 x 768 pixel resolution running Windows XP Vista 7 8 Data chart display is graphics intensive and a high speed Pentium processor is recommended Processors slower than 300 MHz will exhibit sluggish program loading and response The PC must have a CDROM drive for program loading Twin Scan software i
4. throttle control you must set the offset value back to Zero REAL TIME ENGINE DATA DISPLAY You can display real time engine data by using the View Real Time Data command on the View menu Real time engine data is displayed on an instrument panel type layout with round tach and speedometer gauges and bar graph type gauges for most other parameters Barometric pressure idle RPM and system status are displayed in additional boxes If the engine is not running most values will appear as zero Figure 8 shows the parameters displayed for a 2011 touring model with electronic throttle control A subset of these parameters is displayed for other engine control systems Displayed parameters include RPM engine crankshaft RPM numeric value displayed beneath gauge Daytona Twin Tec LLC 933 Beville Road Suite 101 H S Daytona FL 32119 386 304 0700 www daytona twintec com Page 6 VSS vehicle speed numeric value displayed beneath gauge TGS twist grip sensor 0 to 100 for 2008 and later touring models only when the Display Twist Grip Data check box is selected as explained in the Twin Scan II Setup topic Caution When the Display Twist Grip Data check box is selected the Twin Scan Il unit must interrogate the ECM for an additional response frame data This substantially increases the amount of traffic on the J1850 data bus and may cause a time out error if a fast short data logging interval is selected We
5. In Hg or kilopascals kPa manifold pressure units injector pulse width or duty cycle and air fuel ratio in gasoline AFR or Lambda Twin Scan Il ABS 10 2013 Page 5 units The program remembers the selections you have made Figure 7 Units Selection Pressure AirfFuel Ralio AFH In Ha a Gasollne AFR kPa l Lambda Temperature Injector Data i Fahrenheit Pulse Width msec Celshus C Duty Cycle 3 Idle TPS Offset 2008 and later touring models with electronic throttle control will display non zero throttle position sensor TPS values at idle Dynojet Power Commander and Daytona Twin Tec Twin Tuner systems report the hot idle TPS value as zero percent on these touring models When the Twin Scan II is used to log data for tuning these systems on 2008 and later touring models the idle TPS value must be offset to match the values reported and used by the Power Commander Use the Idle TPS Offset command on the Edit menu An offset value of 2 5 3 should work for most applications Once the correct offset has been entered the hot idle TPS value shown in real time engine data display and data downloaded for chart display should be very close to zero Please note that changing the offset does not affect data that has already been downloaded and saved The program remembers the offset value If you subsequently use the Twin Scan II with a Super Tuner or SERT system or on a motorcycle that does not have electronic
6. _ __ Display DTG Set Log Interval 0 25 sec Twin Scan Il ABS 10 2013 Page 8 DATA LOGGING CHART DISPLAY You can display the contents of the program data buffer on a chart recorder type screen by using the View Chart Logged Data command on the View menu The last data logged will appear at the right end of the chart You can save the data by using the Save File command from the File menu after closing the chart display data is not lost by closing the chart display You can display a previously saved data file by first using the Open File command on the File menu and then using the View Chart command on the View menu Data parameters are the same as those listed on pages 6 7 for real time data display The only difference is that some abbreviations are spelled out An additional box at the lower right side of the screen shows the actual data logging interval in seconds You can use the Maximum RPM command from the Edit menu to change the maximum RPM value displayed on the chart You have a range of capabilities for analyzing the data displayed in the chart recorder format You can select two parameters for display Trace 1 is displayed in red with its Y axis legends on the left side of the chart Trace 2 is displayed in green with its Y axis legends on the right side of the chart The X axis is always elapsed time You can zoom in zoom out or zoom all displays entire data file At the maximum zoom in level appro
7. advance in buffer memory that normally stores 1450 data points degrees BTDC using the data logging interval you entered on the Twin FRONT KNOCK REAR KNOCK knock retard Scan Il Setup dialog box You can start and stop data value in degrees logging as desired The last 1450 data points will remain in the program data buffer in the laptop PC BARO barometric pressure in In Hg or Please note that data logging to the buffer within kilopascals 29 92 In Hg or 101 3 kPa the Twin Scan Il is disabled during real time corresponds to sea level atmospheric pressure display width in milliseconds Figure 8 Real Time Engine Data Display Twin Scan Il Program Fie Edit View Communications Help STATUS ENGINE RUN VTD ACTIVE VEHICLE TIP DTC SET 160 BARO Start Data 180 102 3 Logging 500 IDLE RPM 1088 REAR CYLINDER INT 125 120 115 110 105 100 95 90 85 80 O NWUANNO I ee oe nee ee II a E et Daytona Twin Tec LLC 933 Beville Road Suite 101 H S Daytona FL 32119 Twin Scan Il ABS 386 304 0700 www daytona twintec com 10 2013 Page 7 BUFFER MEMORIES AND DOWNLOADING DATA There are two separate buffer memories the scan tool data buffer within the Twin Scan II and the program data buffer in the laptop PC When the Twin Scan Il is operated in stand alone mode without a laptop PC attached data is logged to its internal memory This scan tool data buffer contains th
8. and hold steady pressure on front brake lever Bleed Front okiContinue Abort Exit Bleed Rear TWIN SCAN II SETUP Prior to using the real time engine data display or data logging features you must set up the correct parameters Use the Edit Twin Scan II Parameters command from the Edit menu A dialog box will appear as shown in Figure 6 You can select the type of engine control presence of a WEGO IID or IIID interface for logging air fuel ratio data and the data logging interval The fuel injection system with EGO sensors option is only for 2006 2012 models with closed loop engine controls For 2008 and later models additional check boxes allow for display of Daytona Twin Tec LLC 933 Beville Road Suite 101 H S Daytona FL 32119 386 304 0700 www daytona twintec com twist grip sensor data correct display logging of AFR command data for ECMs reporting in Lambda units and correct display logging of narrow band EGO sensor data for ECMs reporting offset EGO sensor voltages see the Real Time Engine Data Display section for more details Based on current information only 2008 and later touring model require selecting these check boxes The Twin Scan II data buffer normally stores the last 1450 data points If you set the data logging interval to 2 0 seconds the unit will log about 45 minutes of data Data logging intervals of 0 5 2 0 seconds are suitable for on road tests a shorter interval of 0 25 seconds is r
9. can use the Twin Scan II with optional WEGO system to automatically calculate required fuel corrections throughout the entire engine operating range from idle to wide open throttle Temporarily installing the WEGO sensors in place of the original equipment narrow band oxygen sensors disconnect sensors will cause the Delphi ECM to remain in open loop without any fuel corrections that would affect the tuning process After tuning is completed reinstall the original equipment sensors and clear any trouble codes Power Commander Twin Tuner and Other Add On Controllers 1 As stated above unless you disable the oxygen sensors by installing oxygen sensor eliminators you cannot change the 14 6 AFR value at idle and part throttle Closed loop AFR control in the ECM will counteract any attempt to change the 14 6 AFR value in the idle and part throttle range if you increase fuel in this range with the add on controller 2 Youcan use the Twin Scan II with optional WEGO system to automatically calculate required fuel corrections throughout the entire engine operating range from idle to wide open throttle Temporarily installing the WEGO sensors in place of the original equipment narrow band oxygen sensors disconnect sensors will cause the Delphi ECM to remain in open loop without any fuel corrections that would affect the tuning process After tuning is completed reinstall the original equipment sensors and clear any trouble codes
10. click to bring up a copy menu You can also left click on the upper left legend cell to select the entire table and then right click to bring up the copy menu For more details on using Excel including sample spreadsheets please visit the Twin Scan II Tec FAQ on our website at http www daytona twintec com Alternately you can manually enter the required corrections in the Super Tuner software by referring to the printed VE percent correction table and marking off cells as you edit them You are adding the calculated VE correction values from the Twin Scan II to the Super Tuner VE table Select 1 increment decrement 2 units in older SERT software to allow one click per percent Mark off each cell on the printout after you correct it Corrected cells will also appear shaded in the Super Tuner program Super Tuner Tuning Steps 1 Temporarily install the WEGO sensors on the front and rear exhaust pipes 2 We do not recommended that you use the cumbersome tuning approach outlined in the Super Tuner manual where all Super Tuner AFR table cells are set to 13 2 during tuning This is not necessary as the Twin Scan logs the AFR command at any given point in time and uses it as the target value to calculate the required VE correction Leave the Super Tuner AFR table set to the values you actually want the engine to run when you are done tuning 3 Use the Twin Scan Il system to log download and save several sets of data under va
11. suggest that you only select Display Twist Grip Data for diagnostic purposes and not during routine tuning Twist grip data is not required for tuning and is not logged TPS throttle position 0 to 100 MAP manifold pressure in In Hg or kilopascals 29 92 In Hg or 101 3 kPa corresponds to sea level atmospheric pressure ET engine cylinder head temperature IAT intake air temperature BAT battery voltage IAC idle air control stepper motor position higher number means more idle air FRONT AFR REAR AFR depending on engine control system the air fuel ratio bar graph may have dual pointers as shown above The yellow pointer on the left side is the air fuel ratio command from the AFR table in the Delphi system The white pointer on the right side is the actual air fuel ratio measured by the Delphi system EGO sensors or the WEGO For EGO sensors the AFR range is limited to about 14 5 15 0 For the WEGO AFR values will remain near 10 until the sensors have warmed up For other system configurations only a single pointer is displayed as appropriate Note Some 2008 and later models have ECMs that report the AFR command in Lambda units and offset EGO sensor voltages If the yellow AFR command pointer goes up to 20 after the engine has warmed up the ECM is reporting in Lambda units and the Lambda AFR Command check box should be selected as explained in the Twin Scan Il Setup topic to allow correct dis
12. 1 H S Daytona FL 32119 386 304 0700 www daytona twintec com Page 2 Control UAC during installation If you are not familiar with the UAC please refer to the Vista UAC Tech Note on our website s PC Link Tech FAQ for details 1 Make sure your Twin Scan Il is not connected to your PC Insert the Twin Tec CDROM When the Twin Tec autorun menu appears click on Software Scroll down and click on the USB Driver link When the File Download dialog box appears click on Run this program from its current location Ignore any security warnings and click on Yes to continue After installation of the driver is complete connect the Twin Scan II to the PC with the supplied USB cable The Windows Found New Hardware Wizard will appear and complete installation of the USB drivers COM Port Configuration After completing the installation steps outlined above you must configure the new COM port using Device Manager 1 Windows XP click Start Settings Control Panel System Hardware and then Device Manager Windows Vista click Start Control Panel System and Maintenance and then Device Manager Windows 77 8 Click Start Control Panel System and Security and then Device Manager For more information visit www pcsupport about com Scroll down to Ports COM and LPT The new Twin Scan II will appear as a USB Serial Port Click on this new port Click on the Port Settings tab Click on Advanced In most cases
13. 6 AFR value in the idle and part throttle range if you increase fuel in this range with add on controllers such as the Power Commander or Twin Tuner 2 Make sure that all engine components are designed to operate properly at idle and part throttle cruise with this relatively lean 14 6 AFR Some aftermarket camshafts heads or head modifications may result in excessive lean surge or Stalling at idle 3 If installation of an aftermarket exhaust is planned it must have provision for the oxygen sensors Reversion effects in open exhausts will cause problems with the oxygen sensors giving a false lean indication at idle and part throttle If you can insert a broomstick through the mufflers you have the equivalent of open drag pipes and the exhaust may not work properly with a closed loop system The tuning strategy depends on the type of system used Twin Scan Il ABS 10 2013 Page 14 Super Tuner and Other Systems that Remap the ECM 1 The first step is to edit the AFR table The values at wide open throttle are reasonable for most applications and should not be changed However you must decide whether or not to retain closed loop control throughout the idle and part throttle range Closed loop operation is enabled in any cell with the value 14 6 Calibrations for 2010 and later touring models use Lambda values and allow closed loop operation over a limited range Refer to the Super Tuner documentation for details 2 You
14. IMPORTING DATA INTO EXCEL Data files saved from the Twin Scan program are in comma delimited ASCII format You can easily import a data file into other programs such as Microsoft Excel for further analysis You can also view data files with a text editor such as Windows WordPad To import a data file into Excel 1 Start Excel In the File Open dialog box select Files of type All Files Then browse for the data file 2 The Text Import Wizard appears For step 1 select delimited file type For step 2 select comma delimiter For step 3 select general column data format Then click on Finish 3 You can then format the data and save the spreadsheet as an Excel file COMMUNICATIONS TROUBLESHOOTING FLOWCHART Follow the communications troubleshooting flowchart shown below Experience has shown that most communication problems are motorcycle electrical system faults user error or PC compatibility issues STARTING POINT IS COM TIMEOUT OR ECM NOT FOUND ERROR MESSAGE DISPLAYED WHEN ATTEMPTING PC COMMUNICATIONS YES NO FOR MISC PROBLEMS CALL TECH SUPPORT USE DVM TO CHECK DATALINK CONNECTOR ON MOTORCYCLE PIN 2 GROUNDED AND 12V ON PIN 4 WITH IGNITION KEY ON NO YES REPAIR WIRE HARNESS FAULT ON MOTORCYCLE USE WINDOWS DEVICE MANAGER TO VERIFY THAT CORRECT COM PORT IS SELECTED IS PROBLEM FIXED YES NO DONE TRY USING ANOTHER PC IF THIS DOES NOT SOLVE THE PROBLEM CALL TECH SUPPORT FOR FURTHER INFORMAT
15. ION All trademarks on this document whether registered or not are the property of their respective owners The authors of this document are not sponsored by or affiliated with any of the third party trademark or third party registered trademark owners and make no representations about them their owners their oroducts or services Daytona Twin Tec LLC 933 Beville Road Suite 101 H S Daytona FL 32119 386 304 0700 www daytona twintec com Twin Scan Il ABS 10 2013 Page 15
16. Refer to the WEGO instructions for installation and operation details The system does not require that both front and rear AFR data channels are always utilized If you are using a sniffer on a 2 into 1 exhaust you can connect a single WEGO sensor and associate it with either cylinder The data for the opposite cylinder will show zero values You can also use any of our earlier single channel WEGO units They all have a compatible 0 5 volt analog output AFR data that has been logged can be analyzed and displayed by using the View AFR Table command on the View menu After the AFR Table screen appears you can select the table format by using the Table Format command on the Edit menu Select the table format that matches the Screamin Eagle Pro Super Tuner Race Tuner SERT Dynojet Power Commander PC or Daytona Twin Tec Twin Tuner system you are using Note that Version 7 0 uses a clearer naming convention i e 11 x 17 means 11 TPS columns and 17 RPM rows Click on OK and then click on Refresh Table back in the AFR Table screen when you have selected the appropriate table format Figure 10 AFR Table Format OX w AFR Table Format Table Format E Super Tuner Twin Cam 13 x 19 Super Tuner Twin Cam 13 x 20 super Tuner Twin Cam 11 x 20 MAP Based super Tuner Twin Cam 12 x 20 MAP Based Super Tuner RSG 15 22 super Tuner RSG 15 25 PC Twin Cam 9 413 PC Twin Cam 9 x24 PGVRSC 9X1 PG VRSC 9X 95 Twin Tuneri w
17. Twin Scan II also features stand alone data logging no laptop PC attached This feature provides diagnostic capabilities not found in any other available tools The Twin Scan Il is especially useful for diagnosing hard to find intermittent trouble codes The motorcycle can be operated while the unit is installed Under normal conditions no trouble code the unit can be set up to store data for the last hour of operation If a trouble code is set the unit automatically stops logging data 30 minutes after the code is set Even days or weeks later you can download the data You can examine in detail what happened before and after the code was set You have a range of capabilities for analyzing and printing out logged data that is displayed in a chart recorder format Daytona Twin Tec LLC 933 Beville Road Suite 101 H S Daytona FL 32119 386 304 0700 www daytona twintec com All Twin Scan II units include two analog inputs that can be connected to a Twin Tec WEGO IIID dual channel wide band oxygen sensor interface When the WEGO is connected the Twin Scan II will log engine data along with the actual air fuel ratio AFR for both front and rear cylinders The Twin Scan Il is an ideal tuning aid for use with the new Screamin Eagle Pro Super Tuner Screamin Eagle Race Tuner SERT Dynojet Power Commander and Daytona Twin Tec Twin Tuner series on fuel injected motorcycles The software analyzes logged data and displays AFR and
18. ady speeds and a short interval 0 25 3 Use the Twin Scan II system to log download and sec for runs with rapid acceleration and transients save several sets of data under varying conditions 4 Analyze the front cylinder data and print out the VE Use a medium data logging interval 0 5 sec for percent correction table for reference Then use runs at steady speeds and a short interval 0 25 the Export to Twin Tuner command on the File sec for runs with rapid acceleration and transients menu to automatically apply the corrections to your 4 Data in decel areas low 0 2 TPS above idle gi MOE S STP RPM should be regarded with caution as exhaust 5 Analyze the rear cylinder data and print out the VE reversion effects may cause errors Unless you are percent correction table for reference Then use experiencing a significant problem during decel we the Export to Twin Tuner command on the File suggest that you ignore these cells menu to automatically apply the corrections to your 5 Analyze the data print out the VE percent lie BORE correction tables enter the required corrections in 6 Use the PC Link Tuner software to open the the PC map save your edited map to a file and modified Twin Tuner setup file and compare the send the map to the PC printouts made in steps 4 and 5 with the front and i l l rear cylinder fuel trim tables to verify that the 6 Repeat steps 3 5 until no shaded cells excessively aue rerea ibe MEME mbernarciVE rich or lean a
19. data link connector on the motorcycle Use the supplied USB cable to connect the unit to a free USB port on your laptop PC Turn the ignition switch on After the Twin Scan program is launched the main screen appears as shown in Figure 4 but without any data displayed The Twin Scan program has auto connect capability and a COM port scan function to aid in initial setup of the communications link You can use the Port Setup command from the Communications menu to display the dialog box shown in Figure 3 and select the correct COM port If you are not sure what COM port the Twin Scan II has been assigned to you can click on the Scan button to automatically detect and select the Twin Scan Il ABS 10 2013 Page 3 correct port Before you do so make sure that the Twin Scan Il is connected to your PC Once the correct COM port has been selected the program will remember this setting Figure 3 Data Port Setup Data Port Setup Port Com3 A If you enable the Auto Connect check box the program will try to connect to the Twin Scan II every time the program is started Please note that you must have the correct COM port selected and the Twin Scan Il connected in order for auto connect to work properly You can test communications between the Twin Scan II and the laptop PC by using the Read Firmware ID command on the Help menu a connection to the motorcycle is not required for this test If you get an error message please
20. e last 1450 data points 3600 data points when in the reduced data set mode with a WEGO attached You can download this data into the laptop PC using the Download Data from Scan Tool command on the Communications menu You can clear the data within the Twin Scan II by using the Clear Twin Scan Data Buffer command from the Communications menu The Twin Scan program running on the laptop PC also has a buffer memory The program data buffer can obtain data from one of three sources 1 Data can be logged directly to the program data buffer in the laptop PC during display of real time engine data A count down timer appears at the top of the program title bar showing how much time remains before memory over write during real time data logging Please note that data logging to the buffer within the Twin Scan Il is disabled during real time display 2 Data can be downloaded from the Twin Scan Il In this case the data is transferred from the scan tool data buffer to the program data buffer Note Any PC communications such as displaying real time engine data or reading diagnostic trouble codes cause the Twin Scan Il to stop logging data To restart data logging disconnect the Twin Scan Il unit from the PC and cycle the ignition switch off on 3 You can also open a previously saved file using the Open File command on the File menu Data in the file is loaded into the program data buffer Any existing data in the program data buffer i
21. ecommended for dyno or shop tests Figure 6 Twin Scan II Setup Twin Scan II Parameters 2008 and Later Models Only v Display Twist Grip Data C Carburetor System C Carburetor System with WEGO IIID C Fuel Injection System lv Lambda AFR Command lv EGO Sensor Offset C Fuel Injection System with WEGO IIID Data Logging Interval 0 2 2 0 sec 0 50 Upload To Twin Scan Il OK When the Twin Scan Il is setup for use with an attached WEGO a reduced set of data is collected and the data buffer capacity is expanded to store the last 3600 data points To adequately capture acceleration transients a data logging interval of 0 20 seconds is recommended The unit will then log about 12 minutes of data Once you have selected the appropriate parameters click on the Upload to Twin Scan button You can clear the data within the Twin Scan II by using the Clear Twin Scan Data Buffer command from the Communications menu If you change the data logging interval you should also clear the Twin Scan Il data buffer You can also select the vehicle speed temperature pressure injector data and air fuel ratio units used for real time engine data display and data logging chart display Use the Units Selection command on the Edit menu A dialog box will appear as shown in Figure 7 You can select miles per hour MPH or kilometers per hour KPH vehicle speed units Fahrenheit F or Celsius C temperature units and inches of mercury
22. in Tuner Il 9 18 EA i r A n 2 z x 3 z Twin Scan Il ABS 10 2013 Page 9 The screen snapshot in Figure 11 shows AFR data display in Super Tuner Twin Cam 13 x 19 format AFR data is displayed with the same RPM rows and throttle position sensor TPS columns used by the Super Tuner Figure 11 AFR Display Twin Scan Il Program AFR Table Fie Edit Table Data Front AFR C Rear AFR Table Parameters AFR Data Display C AFR Command Display C VE Percent Correction Display Use AFR Command as Target ts 20 Under Table Data you can select front or rear AFR Under Table Parameters you can select AFR Data Display air fuel ratio sensor data as shown above Any cells that differ at least 0 5 AFR from the target AFR value are shaded blue for rich or red for lean AFR Command Display air fuel ratio command useful for determining what values the Delphi system is attempting to maintain VE Percent Correction Display required volumetric efficiency correction in percent based on the target AFR value AFR command or manually entered target value Any cells that differ at least 0 5 Daytona Twin Tec LLC 933 Beville Road Suite 101 H S Daytona FL 32119 386 304 0700 www daytona twintec com Filter Unstable Data AFR Target 10 5 19 5 25 30 0 100 AFR from the target AFR value are shaded blue for rich or red for lean Use AFR Command as Target recom
23. mended choice as this will give the most accurate results If not selected you can manually enter a target AFR value Target AFR manual target AFR value used to determine required percent VE correction You might use a manual target AFR of 13 2 if you are using the tuning approach outlined in the earlier SERT manual where all SERT AFR table cells are set to 13 2 during tuning Minimum Samples Per Cell default value is 5 Setting a higher value results in more accurate table Twin Scan Il ABS 10 2013 Page 10 values but may result in fewer total cells with enough samples to appear in the table Filter Unstable Data when this option is selected a data sample is only included if the preceding sample was also in the same cell This option reduces errors during transients but may prevent any data from being included during rapid acceleration After you select a different table format or change the table data or table parameters you must click on the Refresh Table button to display the revised table The screen snapshot in Figure 12 shows VE percent correction display in Super Tuner Twin Cam 13 x 19 format You can click on the Print button to print out the table Figure 12 VE Percent Correction Display Twin Scan Il Program AFR Table Fie Edit Table Data Front AFR C Rear AFR Table Parameters C AFR Data Display C AFR Command Display VE Percent Correction Display M Use AFR Command as Target
24. ncludes print commands to print downloaded data The program has been tested with Hewlett Packard laser and inkjet printers and Epson inkjet printers We recommend using a color inkjet printer CAUTION Real time display and data logging direct to program data buffer may fail with a time out error if the PC has other programs running or is also used to control a dyno system Windows was never intended for multi tasking real time control systems We recommend using a separate PC with the Twin Scan ll USB INSTALLATION The Twin Scan II USB interface is based on the FTDI FT232R chip and drivers that allow the unit to emulate a standard Windows RS 232 COM port Updated Windows drivers installation instructions and troubleshooting tips are available on the FTDI website at www ftdichip com Additional information and troubleshooting tips can be found on the PC Link Tech FAQ on our website at www daytona twintec com A new USB driver that simplifies the installation process is available This installs as an executable file similar to other Windows programs The Windows Found New Hardware Wizard will then detect the USB device when tt is first connected and automatically install the correct driver without the user having to browse out to the CDROM Before proceeding with installation shutdown any other applications that may be running For Windows Vista you must disable the User Account Daytona Twin Tec LLC 933 Beville Road Suite 10
25. nostic codes None TS5M historic diagnostic codes None Clear Codes Print Codes Daytona Twin Tec LLC 933 Beville Road Suite 101 H S Daytona FL 32119 386 304 0700 www daytona twintec com LOX Twin Scan Il ABS 10 2013 Page 4 ABS BRAKE BLEEDING FUNCTIONS Use the View ABS Tools command on the View menu ABS brake bleeding functions are only available on Twin Scan II units with the ABS legend on the product label These units have version 3 0 or higher firmware that supports the special codes used for ABS brake bleeding If you attempt to use the ABS brake bleeding functions with older Twin Scan II units an error message will be displayed ABS brake bleeding should only be performed by a trained and experienced mechanic The ABS brake bleeding procedure includes manual bleeding of the hydraulic brake system You must have the proper tools and access to an appropriate service manual The battery must be fully charged before starting the procedure Since the ignition key and run stop switch must remain on during the entire procedure you should connect a battery charger Individual front and rear ABS brake bleeding functions are available If you are only servicing the front or rear brake section you do not need to bleed the opposite section To bleed an ABS brake section click on the appropriate button and carefully follow the prompts on the screen Figure 5 ABS Tools ABS Tools Apply
26. onic throttle control Please read the section on idle TPS offset on page 6 Figure 13 Twin Tuner Fuel Trim Table FA PC Link Tuner Front Cylinder Fuel Trim Table File Edit Communications Help RPM TPS 0 2 5 5 10 20 500 750 MODELS WITH ORIGINAL EQUIPMENT OXYGEN SENSORS 2006 fuel injected Dyna and all 2007 and later models are equipped with dual narrow band oxygen sensors and a Delphi ECM that supports closed loop AFR control based on feedback from the sensors After the engine has warmed up the ECM attempts to maintain the AFR at 14 6 during idle and part throttle cruise typically at or below 40 TPS Near wide open throttle the ECM is programmed for reasonable target AFR values of 12 5 12 8 Since this is beyond the range of the narrow band oxygen sensors operation near wide open throttle is open loop without any corrections based on feedback from the sensors Several factors must be considered when tuning engines equipped with closed loop control 1 Unless you disable the oxygen sensors or use a tool such as the Super Tuner to remap the AFR table in the ECM you cannot change the 14 6 AFR value at idle and part throttle Closed loop AFR control in the ECM will counteract any attempt to Daytona Twin Tec LLC 933 Beville Road Suite 101 H S Daytona FL 32119 386 304 0700 www daytona twintec com om MM w omonoa rly te ch ooo oo o a Z me m ied gt Le change the 14
27. per Tuner 1 and 3 columns 8 Super Tuner tables for 2010 and later touring models with electronic throttle control use 11 or 12 MAP columns in place of TPS Select the appropriate Super Tuner Twin Cam 2010 Touring format POWER COMMANDER TUNING RECOMMENDATIONS You can use two approaches to make the required corrections in the Power Commander PC program If you have Microsoft Office with Excel you can directly copy and paste data from the Twin Scan Il software to an Excel spreadsheet and then copy and paste from the Excel spreadsheet into the PC program In the Twin Scan II software you can select a range of cells with the mouse and right click to bring up a copy menu You can also left click on the upper left legend cell to select the entire table and then right click to bring up the copy menu For more details on using Excel including sample spreadsheets please visit the Twin Scan Il Tec FAQ on our website at www daytona Alternately you can manually enter the required corrections in the PC software by applying the printed VE percent corrections calculated by the Twin Scan II to the PC fuel table You are adding the calculated VE correction values from the Twin Scan II to the PC fuel table You can mark off cells as you edit them Twin Scan Il ABS 10 2013 Page 12 Power Commander Tuning Steps editing is required Figure 13 shows a typical Twin 1 Temporarily install the WEGO sensors on the front Tuner f
28. play of Twin Scan Il ABS 10 2013 the AFR command If you are displaying AFR data from narrow band EGO sensors and the white pointer appears to be stuck just above 13 after the engine has warmed up the ECM is reporting offset EGO sensor voltages and the EGO Sensor Offset check box should be selected as explained in the Twin Scan Il Setup topic to allow correct display of AFR values FRONT INT REAR INT only displayed for 2006 2012 closed loop systems AFR error integrator 75 125 Values under 100 indicate the system Is correcting for a rich condition by removing fuel Values over 100 indicate the system is correcting for a lean condition by adding fuel FRONT INJ PW REAR INJ PW injector pulse IDLE RPM this is the target value the system is attempting to maintain Additional status data is displayed in a box at the upper right of the screen This data includes ENGINE RUN red if engine off stalled green if engine is running VTD ACTIVE vehicle theft deterrent system active Red if TSSM module present otherwise green Does not indicate if system is armed or tripped VEHICLE TIP red if vehicle tipped excessive bank angle otherwise green DTC SET red if a diagnostic trouble code is set otherwise green You can log data directly to the laptop PC while real time engine data display is active by clicking on a the Start Data Logging button Data is logged to a FRONT ADV REAR ADV ignition
29. ppear in the VE percent correction percent correction values are added to the fuel trim table Don t worry about cells with a few percent blee te faiuel l 10 bef error or minor imbalance between cylinders E a er ee Wao ne vole exporting data and the VE correction was 5 the 7 2008 and later touring models with electronic cell should now be 15 Note that rounding of throttle control Please read the section on idle numbers may cause the final values to vary 1 TPS offset on page 6 7 Data in decel areas low 0 2 5 TPS above idle TWIN TUNER TUNING RPM should be regarded with caution as exhaust reversion effects may cause errors Unless you are RECOMMENDATIONS experiencing a significant problem during decel we When using a Twin Tuner you will apply the VE suggest that you always leave these cells at zero percent corrections calculated by the Twin Scan II to percent correction as Twin Pied Hild art ea a bese ay ma 8 Repeat steps 3 6 until no shaded cells excessively i a el a ae can ie ap 6 A rich or lean appear in the VE percent correction aa said ve oh gee TIN i gh table Don t worry about cells with a few percent A E at e N Pohl error or minor imbalance between cylinders Tuner series the program can directly export VE correction data to Twin Tuner setup files No manual Daytona Twin Tec LLC 933 Beville Road Suite 101 H S Daytona FL 32119 Twin Scan II ABS 10 2013 9 2008 and later touring models with electr
30. refer to the Communications Troubleshooting Flowchart on page 15 DIAGNOSTIC TROUBLE CODES Use the View Diagnostic Trouble Codes command on the View menu Click on the Read Codes button to display information for all available modules As shown in Figure 4 the upper half of the screen displays the system ID and calibration code information The lower half of the screen displays diagnostic trouble codes Each current and historic trouble code is displayed along with a brief description The software includes a database of all diagnostic trouble codes published by Harley Davidson Please refer to the H D Electrical Diagnostic manual for your model for detailed explanations and troubleshooting flowcharts You can print the displayed information to any Windows printer by clicking on the Print Codes button You can use the Print Setup command on the File menu to select the printer You can clear any codes by clicking on the Clear Codes button Figure 4 Diagnostic Trouble Code Display Y Twin Sean I Program Fie Edt View Communications Help Diagnostic Trouble Codes System IDiCal Found ECM node Godes Found T 35M node ECM ID 32772 01 ECM Cal Code 32107 01 000 T35M ID 68923 00A TS5M Cal Code 000212 TS5M Serial Number 2119 Diagnostic Trouble Codes ECM current diagnostic codes None ECM trips since last code set 2 ECM historic diagnostic codes P0108 MAP sensor high End of codes TSSM current diag
31. rying conditions Use a medium data logging interval 0 5 sec for runs at steady speeds and a short interval 0 25 sec for runs with rapid acceleration and transients 4 Data in decel areas low 0 2 TPS above idle RPM should be regarded with caution as exhaust reversion effects may cause errors Unless you are experiencing a significant problem during decel we suggest that you ignore these cells Daytona Twin Tec LLC 933 Beville Road Suite 101 H S Daytona FL 32119 386 304 0700 www daytona twintec com 5 Analyze the data print out the VE percent correction tables enter the required corrections in the Super Tuner program save your edited data to a file and program the ECM Repeat steps 3 5 until no shaded cells excessively rich or lean appear in the VE percent correction table Don t worry about cells with a few percent error If no shaded cells appear everything is within 0 5 AFR This is about the expected accuracy of the Delphi open loop speed density system 7 Super Tuner tables for 2008 2009 touring models with electronic throttle control do not have a zero percent TPS column since the throttle is used for idle air control and is never fully closed during normal engine operation These Super Tuner tables may have 1 3 and 4 TPS columns Select the Super Tuner Twin Cam Advanced format Then use the VE corrections from the closest Twin Scan II TPS columns i e use the 2 TPS VE corrections for the Su
32. s automatically cleared when you download data or open a file You can also manually clear the program data buffer by using the Clear Program Data Buffer command from the Edit Menu Regardless of the original source the contents of the program data buffer can be saved to a file using the Save File command from the File menu You can attach a comment or view an existing comment using the Edit Comment command from the Edit menu You can save the data by using the Save File command from the File menu after closing the chart display data is not lost by closing the chart display You can display a previously saved data file by first using the Open File command on the File menu and then using the View Chart command on the View menu Note that Twin Scan II data files use a log extension You should create a separate folder to store these files Figure 9 Data Logging Chart Display w Twin Scan ll Program Chart Display ai 1000 t K 330 4 Irace lrace z RPM AFR COMMAND WS5 FROMT INJ E WSS C MAP C REAR IM l MAF l FRONT ADY i TPS FRONT ENOCE 0 BA M IAT M AC FRONI INJ REAR INJ 1 REAR ADW Daytona Twin Tec LLC 933 Beville Road Suite 101 H S Daytona FL 32119 386 304 0700 www daytona twintec com VO _ ET wll Pes EN i AFR COMMAND REAR KNOCK BARO In Hg idie RPM 30 3 l n r N Awom OGT oom Engine Run Ir Qut Ail VTO Active Vehbele 11 Print Reset Mime cat p
33. t could be mistaken for the correct data link connector The Twin Scan II is powered either through the data link connector whenever the ignition switch is Daytona Twin Tec LLC 933 Beville Road Suite 101 H S Daytona FL 32119 386 304 0700 www daytona twintec com turned on or the USB cable to the laptop PC The unit does not require a connection to the motorcycle in order to communicate with the laptop PC In general the engine does not have to be running to read and clear diagnostic codes however the ignition switch and run stop switch must be turned on If the Twin Scan Il is left connected it will log data to internal memory whenever the ignition switch is on even if the engine is not running This allows diagnosing conditions that cause the engine to stall However if the ignition switch is inadvertently left on for an extended period of time older data will be overwritten and lost NOTE Any PC communications such as displaying real time engine data or reading diagnostic trouble codes cause the Twin Scan Il to stop logging data To restart data logging disconnect the Twin Scan II unit from the PC and cycle the ignition switch off on CAUTION Twin Scan Il units are not sealed against moisture damage If the motorcycle is to be driven with the unit installed it should be protected with a plastic bag There is no warranty on units with moisture damage SOFTWARE OPERATION Connect the Twin Scan II to the
34. tallation If you are not familiar with the UAC please refer to the Vista UAC Tech Note on our website s Tech FAQ for details Use the Windows Explorer or the Run command from the Windows Start Menu to launch setup exe in the Twin_Scan2 folder on the CDROM or the setup exe file downloaded from our website InstallShield will install the software in an appropriate folder under Program Files Once InstallShield has completed the installation Twin Scan II will appear on the Windows Start Menu You can then launch it just as you would any other Windows program Several sample data files are included in the program folder Twin Scan software requires the Monospace 821 BT fixed pitch printer font in order to properly align columns when printing The Monospace 821 BT font is included in the distribution media and automatically copied to your Windows Fonts folder during installation A backup copy is also placed in the program folder If you accidentally delete this font use the Install New Font command from the Fonts folder File menu The filename associated with Monospace 821 BT is monos ttf TWIN SCAN Il OPERATION The Twin Scan II connects to the four terminal Deutsch style data link connector on the H D wiring harness In most cases the data link connector is near the ECM engine control module Refer to the H D Electrical Diagnostic Manual for your model for connector location Some models may have similar appearing connectors tha
35. the wizard will have installed your new Twin Scan Il as COM4 or COMB For optimum performance you should change the BM Options Latency Timer to 2 msec as shown in Figure 2 Figure 2 COM Port Configuration Advanced Settings for COM4 COM Port Number coms USB Transfer Sizes Select lower settings to correct performance problems at low baud rates Select higher settings for faster performance 4096 x 4096 bad Receive Bytes Transmit Bytes BM Options Select lower settings to corect response problems 2 v Timeouts Event On Surprise Removal Set RTS On Close Disable Modem Ctr At Startup Latency Timer msec E E G E H lt Minimum Read Timeout msec Minimum Write Timeout msec Twin Scan Il ABS 10 2013 4 Once you have configured a COM port number for your new Twin Scan Il unit make sure that you use this same COM port selection in the Twin Scan II software SOFTWARE INSTALLATION The software is supplied on CDROM media or in the form of a compressed file downloaded from our website The installation process uses InstallShield This industry standard installer is based the new Microsoft Windows Installer service that greatly reduces potential problems such as version conflicts and allows for application self repair Before proceeding with installation shutdown any other applications that may be running For Windows Vista you must disable the User Account Control UAC during ins
36. uel trim table and rear exhaust pipes Twin Tuner Tuning Steps 2 Start with an available Power Commander PC 1 map that most closely matches your application Most PC maps will have a single fuel table Tuning 386 304 0700 www daytona twintec com Page 13 Temporarily install the WEGO sensors on the front and rear exhaust pipes ees S 2 Start with an available Twin Tuner setup map file individual cylinders with the ce Scie UE ine that most closely matches your application Setup Delphi system ends the injection after bottom dead l al l l files for typical applications are available for center on the intake stroke at about the same time download from the Twin Tuner Tech FAQ at that the intake valve closes The PC adds fuel by hii d ete 4 mon extending the injection duration If you try to adda a NAAN Cement net am eg l Use the PC Link Tuner software to upload this map significant amount of fuel with the PC the fuel may i l i to the Twin Tuner Exit from the PC Link Tuner wind up going to the opposite cylinder As long as SONE you are adding the same amount of fuel to both l cylinders the fuel robbing effects cancel out We 3 Use the Twin Scan Il system to log download and suggest that you use a single fuel table and save several sets of data under varying conditions analyze your data for the worst case correction Use a medium data logging interval 0 5 sec for required for either cylinder runs at ste
37. ximately 100 data samples will be displayed on the chart You can use the scroll bar to move the chart display window in terms of elapsed time If you hold the left mouse button down within the chart area a cursor line appears The exact values of the parameters displayed on trace 1 and trace 2 and the elapsed time appear in windows above the chart When you zoom in or zoom out the displayed data will always be centered about the cursor line This allows you to quickly select and closely examine an area of interest If you want to analyze the elapsed time between two events for example the time required to accelerate from O to 60 MPH you can move the cursor to the first event and then click on the Reset Time Display button You can print the displayed chart to any Windows printer by clicking on the Print button a color inkjet printer is recommended for best results AFR TABLE DISPLAY AFR air fuel ratio table display is only applicable to Twin Scan II units when operated with an attached WEGO on a fuel injection system In this mode of operation the Twin Scan Il is used as a data Daytona Twin Tec LLC 933 Beville Road Suite 101 H S Daytona FL 32119 386 304 0700 www daytona twintec com acquisition system to log AFR data measured by the WEGO Mating Packard Weather Pack connectors are provided on the Twin Scan II for the 0 5 volt analog output of the WEGO IID or IIID white for front cylinder and blue for rear cylinder
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