Tuner Program Reference Manual
Contents
1. 25 Increment Decre ment iioi oO Sd chen aeui ule pauio ei 26 E 26 E A E 26 27 c REDE 21 Dras dota d bei 27 Copy and Paste Table Vales dese eaae d dean 28 Undo Redo FUN CHONS a gode in an 30 Importing Table NV E 31 Restore Values 32 Calibration soo iode Maa eo 33 SPELE ANDA 33 NINE MAO eseni 35 cu osse et a opt IL NICE Dua DE Sato tica epa a 36 Read POUM X 37 THe A PONI aceite hele las le vale elt ees andes tte ata E 40 Computer Automotive Tuning Systems Companns EC NI Calibration Pe ems 42 Openins A Compare ECM Calibration Files2. 43 Viewing A Calibration Table in Compare 44 Generate eoa tenia bm 46 Printing An ECM Calibration 46 Ponting An ECM alibrattori Table OTdDDo 47 Print AIL FCN Calibration Fables 47 PADE ated iat PR 49 Print All Calibration Tables TOA des vant 50 IBI EN ET EE 51 Program OPAO Se 32 WdOwA a 56 and Proben 57 Software 57 NOLEW ATE RESIS EATON soon i ei rein ri on dug aes 58 Proerant Suo ss orioneu eda es ness bula e 50 Appendix A Resetme ine PEM M du ade M IU 60 Appendix B PCM Read Program Communications Errors eese enne 61 Page 3 Computer Automotive Tuning Systems Introduction
3. FilesyCA TSY bin i Pradaram Files CAT 54 Tunenr amp cxa bin i Prodaram Files CAT S Tunenabul bin The Program Preferences screen also allows you to set the number of items that will be displayed in each column of a drop down menu Depending on your computer monitors size and resolution the longer drop down menus may run off the bottom of the screen This function allows you to set the maximum number of items in a drop down menu column If there are more items in a drop down menu then a second column is displayed as shown below Page 55 Computer Automotive Tuning Systems ICA Engine Tuner PCM EE Source D Program Files CA T SY 8555 Files Edit EEEN Tools ECM Options Window Help Sala ECM Switch Table Line Pressure Modifier In W ECM Constant Table Down Shit Pressure Macditie Main spark Advance Ws RPM v s Down Shit Pressure Extended Spark Advance v s RPM ss Down Shit Pressure Madii Closed TFS Spark Advance vs RPM Kickdown Shift RPh Thresh Minumum spark Advance v s REM BLM Cell RPM Boundaries Retard vs REM In BLM Cell Boundaries Max Spark Retard vs Sensor Calibration knark Fast Attack Pate sa RP Sencar r alihratinn This value can be set from 10 to 99 items column The default 1s 33 If you are using the SEE ECM Definition File then the Comm Port Setup selection will be visible in the Opti
4. WIC Table Graph k w Full Table This will display the table as a graph as shown below Main Spark Advance RPH mug c 30 MAP 2800 RPM 43 0 Note the data box in the lower right corner of the screen This box shows the information about the data point at the cursor position on the graph and is updated continuously as you move the cursor over the graph Page 18 Computer Automotive Tuning Systems To view the graph and the table at the same time click on the Graph and Table button or select Table Graph from the Options menu This will display a graph of the table above the numerical table The graph will be sized to fit into the current table window To make the graph larger increase the size of the table window Main Spark Advance Sw mc ee o us l2 You can change a table value from the graph by clicking on the data point you want to change and dragging the point while holding down the left mouse button You can change the view of the graph by rotating moving zooming or scaling the graph with the keyboard and you mouse See the Changing 3D Graph Views and Changing 2D Graph Views sections for details To return to the table only view click the Table Only button or select Full Table from the Options menu Page 19 Computer Automotive Tuning Systems Changi
5. ASG alld OR AGO Me We EDO 12 Calibration Tables coit Sab iU c eite EP ui vd e ci Ve 14 Type Calibration Table edited eter aero etra eg mulae trunca pte re EUR ur 14 Constant Type Calibration 14 2 and 3D Calibration Tabl s idii ioa terae rep rash dE a Io Do e esa db corso 15 calibration Table ERU MENU EE MES ii 16 Viewing Calibration Lable Grapnis 18 2D Grapli det ard nce lao uie n latet tds es nla eda aa esd 20 Chans ine o D Graph Wie WS 21 5 21 Editing Switch Type Calibration Table 22 Editine Constant Type Calibration Table Value sessio ic um e 22 Selecting 2D and Table Cells eise chida e 24 Editine 2D and 3D Table Values
6. Prat fatale Prt Printer Setup Close Default Path Exit CACAT SAT unerwaedz bin 3 9400 bin This will display Save dialog box Select another file or type in a new file name and click Save button Save Calibration File Save In Ex Tuner File name 95ss bin Save as Binary Files If you are using the SEE ECM Definition File you can also save edited file in 11 format instead of binary To save the file in It1 format click on the drop down arrow to the right of the Files of type box and select It1 Files It1 from the drop down list Type in a file name and click Save Page 13 Computer Automotive Tuning Systems ECM Calibration File As Save n E Tuner EN 34 bspd bin Save as type Binary Files bin Binary Files bin T TT Files ll Files Cancel Before saving the ECM calibration file the program recalculates the necessary checksums and builds a valid ECM calibration file that can be used to program an EPROM for the ECM Calibration Tables The C A T S Tuner program uses three different formats of calibration tables to display the various ECM calibration values Switch Type Calibration Table The switch type calibration table will contain all the calibration items that can only have tow values or states such as on or
7. or Enabled or Disabled This type of table will contain calibration items such as V A T S enabled disabled 2 ECM SWITCH TABLE Miel X TRACTION CNT L Each ECM calibration file will only have one Switch table that will contain all the appropriate calibration values Note Some ECM s do not have any switch type calibration values in which case the Switch Table will be empty Constant Type Calibration Table The Constant Table is used to present calibration values that represent single values or calibration constants such as fuel cutoff RPM or injector flow rates Page 14 Computer Automotive Tuning Systems 2 ECM CONSTANTS MAIN SPE BIAS w Deg ae TO BYPASS WOT DELAY 2800 RPH a WOT Delay pcm A Const 135 Const Ium EGR OFF gt ON 3 AIPS mI m uem Like the Switch table each ECM calibration file will contain one Constants Table that will contain all the constants for that ECM 2D and 3D Calibration Tables The majority of the ECM Calibration Tables will be either 2D or 3D tables These tables are used to display a series of values that depend on one 2D tables or 2 other parameters 3D tables An example of a 2D table might be the Target Idle RPM versus Coolant Temperature Target Idle RPM Vs Cool Page 15 Computer Automotive Tuning Systems A good example of a common 3D table would be the Main Spark Advance versus
8. Computer Automotive Tuning Systems CATS Engine Tuner AN The selected ECM Definition File is either not compatible with this source or the source file has been modified The source file indicates thatthe 8 ECM Definition File should be used Proceed Anyway If you believe that you have selected the correct ECM Definition File you can click on the Yes button to continue and the Tuner program will open the selected calibration file Note There are a few ECM Calibrations Files that the program can not distinguish between such as the 32 and the 32B or the DA2 and DA3 definition files In these cases the program will indicate 32 or DA as the correct ECM Definition File and the user will have to make the final decision Saving A Calibration File To save an ECM Calibration file after editing back to the same file name select Save from the File menu or click on the save file button on the tool bar at the top of the screen f C A T S Engine Tuner Edit Tables Tools Oper Save As k Compare File Print Table Prat Graph Printer Setup Close Default Path Exit mh CACAT SAT unerssdz bin Page 12 Computer Automotive Tuning Systems To save the edited calibration file to a different file select Save As from the File menu EC ECM DI f C A T S Engine Tuner Edit Tables Tools Oper Save Compare File
9. Computer Automotive Tuning Systems 14327 Dogwood Lane Belle Haven VA 23306 Please be sure to include your e mail address and the name of the ECM Definition File you are purchasing Upon receipt of your order the ECM definition file will be e mailed to you You can also purchase ECM Definition Files on line via PayPal See the How To Order page on our web site for details Selecting An ECM Definition File To display a list of all the installed ECM Definition Files click on the ECM drop down menu on the main display Page 5 Computer Automotive Tuning Systems Engine Tuner ECH ECM Files Tabes Options 2 1 32 32B 42 ELM 4F To select a definition file click on the desired file This will activate the selected definition file and close the drop down list The definition file currently in use is displayed in the title bar of the main screen Note If you only have one ECM Definition File installed the file will automatically be selected when the program starts and the drop down menu will be disabled Installing An ECM Definition File To make an ECM Definition File accessible to the C A T S Tuner Program simply place the definition file into the C A T S Tuner Program subdirectory c Program FilesNCATSNTuner by default ECM Definition File Version C A T S is continually updating and adding capabilities to the Tuner program In many cases this includes ch
10. gt Speed Calibration Check WIH This will display the Notes screen Page 36 Computer Automotive Tuning Systems Calibration Hotes Jel Upto 255 Charateres of calibration notes can be entered These notes are then saved with the calibration file Cancel You can type into and edit directly in the Notes box To completely erase the current notes click on the Clear button When you are finished editing the notes click on the button to save your changes or the button to discard any changes you have made Read PCM The type SEE PCM 1994 95 does not use a removable EPROM to store the calibration information like the older GM ECM s These PCM s use FLASH memory that must be read and reprogrammed using the car s ALDL connector Before proceeding be sure you have specified the correct Comm port that you will be using to communicate with the PCM To set the correct Comm port select Comm Port Setup from the Options menu This will display the following screen Comm Port Selection Comm Port Status C Comm Port 1 Invalid Port C Comm Port S Port Comm Pot 2 Available C Comm Porte Invalid Port C Comm Port 3 Available C Port Invalid Port Comm Invalid Fort Comm Invalid Port Cancel Select the Comm port you wish to use and click The program will save this selection so you don t have to set the Co
11. Files 85 18 Tables Tools Li increment Decrement Add Subtract Eill Scale Copy Paste Unda Reco Restore Table This will display a standard file open dialog box Select the desired calibration file from the dialog box and click on the Open button Page 31 Computer Automotive Tuning Systems Open Import File 71x Look in Tuner ni File name 25ss bin Files of type Binary Files Cancel The table values will then be read from the selected calibration file and inserted into the active table Only the active table is changed No other tables open or not are altered You can not import values from a calibration file of a different type If you open a different type calibration file by mistake you will receive the following error message CATS Engine Tuner The selected file is either corrupt or an incorrect format The table values can not be imported Restore Table Values If you make several changes to table values and decide that you do not want to keep any of these changes you can restore the table values to the last saved values using the Restore Table function To restore the values in a table select Restore Table from the menu Page 32 Computer Automotive Tuning Systems 1C A T S Engine Tuner Files 89 18 Tables Tool r3 Increment Decrement Add Subtract Eill Scale Copy Paste Undo Een Restore Table Import Table Thi
12. Files of type box and select Files It1 from the drop down list Open ECH Calibration File Look in E Tuner Gk rif File name bmi it Files of type LTI Files Ir1 Binary Files bin LT Files All Files 7 7 Cancel When you select a calibration file the program will verify that it 1s a valid calibration file and that the correct ECM Definition File has been selected If the incorrect configuration file has been selected the following error message will be displayed If possible the program will indicate which ECM Definition File is required for the selected calibration 5 Engine Tuner AN The ECM Definition File in use is not compatible with this source File The indicates that the 60 ECM Definition File should be used To open the selected calibration file note which definition file is indicated and click the button Click on the ECM drop down menu and select the correct ECM Definition File if installed and then re open the desired calibration file It is relatively common for custom chip manufacturers to change the Program ID when they create a new calibration This will make the Tuner program think it should use a different ECM Definition File If the calibration file is the correct length but a different ECM Definition File is indicated you will receive the following message when you try to open the calibration file Page 11
13. PC Any unzip program should work fine At C A T S we use Winzip which 15 available from their web site at www winzip com You can temporarily place the unzipped setup program tnr setup exe on your desktop Once you have the setup program unzipped double click on the setup program to begin the installation To complete the installation follow the on screen instruction You may be asked to restart your computer after the installation is complete Once the installation is complete you can delete both the zipped and unzipped setup files from your PC s desktop If you purchased the software on a CD ROM you can run the setup program right from the CD since the setup program is not zipped on the CD To do this go to your CD ROM drive and go to the Tuner folder on the CD and double click on the setup program Minimum PC Requirements While the Tuner program will run on virtually any PC running Windows 95 or later we recommend the following minimum PC specifications Pentium 266 Windows 98 64 MB RAM 600 x 800 display resolution 20 MB free hard drive space Page 4 Computer Automotive Tuning Systems What You Need To Begin Tuning To tune a vehicle you ll need the Tuner program and the appropriate ECM Definition File for the vehicle you are working Go to the ECM s Supported page on our web site www tunercat com for a list of the vehicles that are currently supported In addition to the above software you ll also need an
14. This will display the Open File dialog box Select the desired compare file and click the Open button Open Compare File EES Lookin 1 amp ei 94 95 B bknf bin IB bin File name Files of type Binary Files bin Cancel If you are using the SEE ECM Definition File the Tuner program will accept It1 format files as well as standard binary format files as compare files You can even compare an lt1 file to a binary file To open an lt1 format file as the compare file click on the drop down arrow to the right of the Files of type box and select It1 Files It1 from the drop down list Page 43 Computer Automotive Tuning Systems The file box will then show all the available lt1 files in the current subdirectory Open Compare File Look in E Tuner ce File name bris Files of type Files 11 Binary Files bin LT1 Files h All Files Cancel Viewing A Calibration Table in Compare Mode After opening an ECM Calibration compare file you can view any table in the compare mode by opening the desired table and then clicking on the Compare button on the toolbar or selecting Compare from the Options menu f C A T S Engine Tuner Source D Progra Edt Tables indo v Toolbar l Full Preview Files The values displayed in the t
15. 230 210 190 170 145 120 110 100 4000 360 440 450 435 415 400 390 380 370 370 380 350 330 330 300 29D Extended Spark Advance Vs RPM Vs RPM MAP 25 an 35 40 45 50 55 60 65 7D 75 BO 85 90 95 100 4000 380 440 450 435 415 400 390 380 370 370 360 350 330 310 300 290 4500 380 440 460 450 425 405 395 385 375 385 355 140 320 310 300 290 5000 380 440 460 450 425 405 395 385 375 365 355 350 340 315 305 295 5500 370 430 480 450 425 405 395 385 378 365 355 35 0 34 e000 370 400 420 410 390 380 370 380 350 340 330 320 310 300 290 280 6500 370 400 420 410 390 380 370 380 35D 340 330 320 300 280 280 270 7000 370 400 420 410 390 380 370 260 350 340 330 320 300 280 280 270 Page 3 Printer Setup To change the printer properties such as the selected printer paper size and orientation select Print Setup from the Files menu C A T S Engine Tuner Edit Tables Toole ECM Options Ww Open Save As Compare File Print Table Print Graph Print All Llose Default Path Exit D Pragram Files CAT S5 Tuners35ss bin Page 49 Computer Automotive Tuning Systems This will display the standard Windows printer setup screen Print Setup Letter 8 5 x 11 in ln m Make the desired changes and click on the button to apply the changes or click on Cancel maintain the current settings Print All ECM Calibration Tables To A File This function allows
16. Computer 4utomotrve Tuning systems 14327 Dogwood Lane Belle Haven 23306 Additional ECM Definition Files are available from C A T 5 at a cast af 19 95 each sure to include the name of the software you are registering and your e mail address for taster response Customer ID Serial Number Note If your evaluation period has expired the registration form will be displayed automatically when you run the program Program Updates As a registered user you are entitled to free updates to the Tuner program and any ECM Definition Files you have purchased Check the Version Information page on our web site www tunercat com to see a list of the current versions of the Tuner program and all the ECM Definition Files You can download the latest version of the Tuner program from the Donwloads page on our web site www tunercat com If you install the latest version of the Tuner program into the same folder as you current version you won t need to re enter you registration information or move you ECM Definition Files To obtain the latest version of an ECM Definition File just send us an e mail at tc tunercat com and request the ECM Definition File updates you need We will then e mail the latest version of the ECM Definition File to you Page 59 Computer Automotive Tuning Systems Appendix A Reseting the PCM If the PCM read process is interrupted before completion at certain times
17. RPM versus Manifold Pressure Main Spark Table Deg Spk 2 2 j j 5 4 f 5 8 8 8 9 9 C Opening A Calibration Table Once an ECM Calibration File has been opened you can view a calibration table by clicking on the Tables menu and then selecting the desired table from the drop down list This list will contain all the tables available for the selected ECM Definition File Page 16 Computer Automotive Tuning Systems FEST E Engine Tuner 42 Source C 4CATS Edit ELM Options ECM SWITCH TABLE ECM CONSTANTS TABLE Spark T able Cool Compensation Spark Power Ehrichment Spark Deg Knock Retard Vs RPM in WOT Knock Retard Vs Fuel Table Sol Fuel T able 2 2101 Adder TPS Thresh Vs RPM for WOT WOT AFR Vs RPM Purp Shot Vs Differential TPS Pump Shot Vs Differential Loop Vs Coolant at Startup Cool CHOKE Loop AFR Choke Mult Y s Coolant Crank AFR Vs Coolant Steps Vs Coolant Target Idle APM Cool EGR Spark Advance Vs EGR Pct EGR Vs Load Vs RPM EGR Correction Vs Load Vs EGR D C EGR Vs Air Flow Y s EGR D C TCC Load Limit vs MPH Low Gears TCC Load Limit W s MPH Low Gears TCC Load Limit Hi Gears Files Tule window Help To make the
18. The C A T S Tuner program is a Windows based utility developed to easily make changes to GM ECM PCM engine and transmission control parameters The program is designed to run on 32 bit Windows operating systems i e Windows 95 98 NT 4 0 Me XP or 2000 The program provides the ability to change ECM PCM calibration values without working through tens of thousands of binary bytes to determine which are computer instructions and which are data tables and what engine parameters these data control You can tune a computer controlled engine with no knowledge about the actual ECM PCM software The C A T S Tuner program presents all the important tuning parameters in clear easy to understand tables that can be directly edited via keyboard and mouse commands Once you have made the desired changes the program rebuilds a valid ECM PCM file that can be used to program the ECM PCM A configuration file 1s required for each unique ECM PCM Additional configuration files can be installed and accessed via the ECM pull down menu See the C A T S web page at www tunercat com for a list of the ECM configuration files currently available Program Installation To install the Tuner program download the setup program from the Downloads page on the C A T S web site www tunercat com The downloaded setup program is in zipped form so it must be unzipped before beginning the installation To unzip the setup program you will need an unzip program on your
19. and Paste areas sot the same size and shape Similarly if you select a start cell in the target table that does not allow the same number of cells to the left of and down from the start cell ie target table not big enough you will receive this same error message Undo Redo Functions Regardless of the type of table being editing the Tuner program provides Undo and Redo functions The Undo function will reverse the changes made by the last edit You can undo up to ten changes If you undo a change and then decide you really wanted to use that change you can use the Redo function to re apply the last change that was reversed using Undo To undo the last change click on the Undo button or select Undo from the Edit menu 1C A T S Engine Tuner Files 89 18 Tables Tool Increment Decrement Add Subtract Eill ocale Copy Baste Beda Restore Table Import Table Similarly to redo a change click on the Redo button or select Redo from the Edit menu Page 30 Computer Automotive Tuning Systems 1C A T S Engine Tuner Files 5 18 lables Too Li increment Decrement Add Subtract Fill Scale Copy Paste Undo Restore Table Import Table Importing Table Values The import function allows you to import the table values from another calibration file of the same type To import table values select mport from the Edit menu 1C A T S Engine Tuner
20. comply with any of the terms and conditions of this agreement If the license terms are not acceptable remove the software from your computer LIMITED WARRANTY AND DISCLAIMER Computer Automotive Tuning Systems warrants for a period of ninety 90 days from the date of delivery that the software under normal use will substantially perform as described in the documentation when used on the supported hardware and system software Computer Automotive Tuning Systems entire liability and your exclusive remedy under this warranty will be at Computer Automotive Tuning Systems option to attempt to correct or help you work around errors replace the software with functionally equivalent software or to refund the purchase price and terminate this Agreement EXCEPT FOR PRIOR EXPRESS LIMITED WARRANTIES COMPUTER AUTOMOTIVE TUNING SYSTEMS MAKES AND YOU RECEIVE NO WARRANTIES EXPRESS IMPLIED STATUTORY OR IN ANY COMMUNICATION WITH YOU AND COMPUTER AUTOMOTIVE TUNING SYSTEMS SPECIFICALLY DISCLAIMS ANY IMPLIED WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE COMPUTER AUTOMOTIVE TUNING SYSTEMS DOES NOT WARRANT THAT THE OPERATION OF THE SOFTWARE WILL BE UNINTERRUPTED OR ERROR FREE LIMITATION OF LIABILITY IN NO EVENT WILL COMPUTER AUTOMOTIVE TUNING SYSTEMS BE LIABLE TO YOU FOR ANY DAMAGES INCLUDING LOST PROFITS LOST SAVINGS OR OTHER INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING FROM THE USE OF THE SOFTWARE EVEN IF COMPUTER AUTOMOTIVE TUNING SYST
21. desired default path and click on the button Cancel This default path will be saved and will be active until another default path 15 selected Program Options The Options menu provides some choices on how the Tuner program operates The first four entries in the Options menu allow you to toggle four program functions on and off Toolbar display Calibration Table Compare Calibration Table Graph display and Full Preview The Preferences selection from the menu allows you to set the number of files listed in the history file list in the Files menu and to control the number or items listed 1n each column of the program drop down menus C A T S Engine Tuner Source D Files Edit Tables Tools ELM Options Window Help clala H ow Toolbar Full Graph Full Table Full Preview Graphic T able Print Change Indicators Clear Change Indicators Preferences Comm Port Setup If the Toolbar option is unchecked the toolbar is removed from the top of the screen giving you a larger view window for the calibration tables Checking the Compare selection activates the compare display mode and has the same function as the Compare button on the toolbar The option is only active if a Compare File is open Page 52 Computer Automotive Tuning Systems Checking the Full Graph selection displays a graph of the calibration table currently being vi
22. during the process the PCM may no longer communicate and thus will not function correctly To recover from this you ll need to completely reset the PCM To reset the PCM you must remove all power from the PCM for about 10 to 15 minutes To do this you can either disconnect the main battery cable from the battery or you can disconnect the four connectors going to the PCM This should reset the PCM and it should function normally afterward If the PCM programming process is interrupted before completion you may still be able to recover depending on at what stage the interruption occurred If the programming process does get interrupted for some reason try resetting the PCM as described above Sometimes this will recover the PCM and it will work properly or at least work enough to program it again If after trying the reset the PCM will still not communicate then it has most likely been damaged and will have to be repaired or replaced You can use your damaged PCM as a core and get a replacement from the dealer or you can have the PCM repaired AKM Electronics www akmcables com has the capability to repair these ECM s Page 60 Computer Automotive Tuning Systems Appendix B PCM Read Program Communications Errors The following is a list of the possible error messages that may occur when you are reading or programming your PCM NO MESSAGE SENT CABLE FAILURE Your will receive this error message whenever your PC is unable to commu
23. message from the PCM that is not of the correct message format this error message will be displayed This may be caused by hardware problems with the PCM or the RS 232 to ALDL Signal Converter or the interconnections This message may also occur if the PCM is not compatible with this program FLASH MEMORY CHECKSUM ERROR After programming the PCM memory the programming utility requests a checksum from the PCM and compares it to the checksum that was calculated during the programming process These values should agree If these values do not agree then this message 1s displayed and indicates that the FLASH memory may not have been programmed correctly Page 62
24. mouse diagonally rotates the graph about the y axis Rotating the graph will allow you to view and edit points that would otherwise not be visible Zoom Graph Window To zoom in on a particular area of the graph hold down the Control key and the left mouse button and drag the mouse over the area to zoom Press the R key to return to the original zoom level Move Graph To move the entire graph within the table window hold down the Shift key and the right mouse button and drag the graph in the desired direction Scale Graph To scale the entire graph hold down the Alt key and the left mouse button and drag the mouse to make the graph bigger or down to make the graph smaller Editing Calibration Values The main function of the C A T S Tuner program is to allow you to easily edit the calibration values in an ECM calibration file There are a variety of tools provided for editing depending on whether you re Page 21 Computer Automotive Tuning Systems editing a Switch Table a Constants Table or a 2D or 3D Table To begin editing a table select the desired table from the Tables menu 1C A T S Engine Tuner Files Edi Tools ECM El Switch Table Editing Switch Type Calibration Table Values To edit Switch calibration values open the Switches table FE C A T S Engine Tuner 42 Source Files Edt WEE 22 ECM Options Window Help ECM Switch T able Constant T abl
25. range of cells Main Spark Table Deg Spk 16 14 12 14 12 15 14 12 g i9 1614 12 9 7 4 7 2 2 j j 5 4 f 5 8 8 8 9 9 C To select an entire column click on the column heading with the left mouse button The selected column will be highlighted Page 24 Computer Automotive Tuning Systems Main Spark Table Deg Spk ea cn e C To select an entire row click on the row header This will highlight the selected row Main Spark Table Deg Spk 16 16 16 14 12 15 15 15 14 12 15 15 15 15 15 14 17 16 14 12 18 LE 15 13 21 13 17 16 22 20 18 lf 22 20 18 1 23 21 13 18 24 22 20 19 25 23 21 20 2b 24 23 22 c coa co c ow ca L2 C Editing 2D and 3D Table Values Once one or more table cells are selected there are several ways to change the values in these cells You Page 25 Computer Automotive Tuning Systems can increment decrement add subtract scale multiply or fill the selected cells If the table graph is displayed you can also drag the points on the graph to change the table values Increment Decrement Add Subtract Scale Increment Decrement All the edit functions are available by clicking on the Edit menu or by right cl
26. virus checkers 2 Disable any screensavers 3 Disable all power management programs Cancel Before proceeding connect the RS 232 to ALDL converter interface cable to the Comm port on your PC If your PC has more than one Comm port make sure you connect the converter to the Comm port that you specified on the Comm Port Setup screen Connect the other end of the converter to the ALDL diagnostics connector on the vehicle Once the cable is connected turn the ignition key on but DO NOT start the engine After turning on the ignition wait about 10 to 15 seconds to clear the GM security delay before proceeding with programming Now click on to begin the PCM programming process If all the connections have been properly Page 41 Computer Automotive Tuning Systems made the program will begin communicating with the PCM sending the necessary instructions to start the memory programming process The following status window will be displayed during the read process Fe Program PCH Memory DO NOT INTERRUPT Status Establishing Communications The progress meter shows the progress on the programming as it proceeds and the Status window describes what part of the process in currently underway Depending on the PC you are using the programming will usually take about five minutes If the process does not complete correctly for some reason an error message will be displayed in the Status window See Appendix B
27. 220 2101 200 subtract 250 276 0 240 220 Fil 235 EPA Scale 5 30 5 28 0 270 ENE Ee 35 0 34 0 31 0 23 0 351 37 0 340 320 36 0 365 335 370 EEE Ee 7 0 EEE 37 0 400 40 0 38 a 37 0 Ea l now paste these values into another table right click first cell of paste area cell in new table that corresponds to the top leftmost cell of the source selection and select Paste from the popup menu or click on the target cell and select Paste from from menu You can also click on the Paste button 15 the toolbar or use the standard cntl v Windows shortcut hain Spark Advance RPM Increment Decrement Add 18 0 210 220 271 0 200 Sua 220 250 260 240 20 Fil 2 1 285 295 26 0 230 2940 305 305 280 27 0 31 0 330 325 30 0 280 330 350 340 10 290 35 0 380 340 320 NC a NC Scale This will paste the values from the source table into the target table or target application Note If you highlight an area in the target table not just the first cell then you must highlight an area that 15 the same size and shape as the area selected from the source table If the source and target areas do not match you will receive the following error message Page 29 Computer Automotive Tuning Systems Paste Error Copy
28. Computer Automotive Tuning Systems d repa C A T S COMPUTER AUTOMOTIVE TUNING SYSTEMS Tuner Program Reference Manual Revision D Page 1 Computer Automotive Tuning Systems Table of Contents OF C OMe nts a Lu EU een 1 Ol ONEI ODD 2 RR eR i 4 Mimmu 4 Wat Be ony 5 end T 5 Obtaining Am BC M Definition Pine Mies 5 selecting An ECM Detimition Pile a a 5 Installing AmECM File o eco e ete pec He oce 6 ECM De mnmion Fie RUM 6 ECM Definition File iiio E eoi eit a Fev bou oit vaut ov wed ka aum edu vit co eet dus ERU Md 9 ECNPDerPmiton bile IPaSSWOELU 9 ECM Cali bration E IES tcc 9 Opening AC AM DEA OM PALO ooo peni eo uni Mod 10
29. EMS Page 57 Computer Automotive Tuning Systems HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES Software Registration To register your copy of this software first obtain your Customer ID and your serial number from C A T S by sending a check or money order for 69 95 to Computer Automotive Tuning Systems 14327 Dogwood Lane Belle Haven VA 23306 Please be sure to include your e mail address and the name of the program you are registering Upon receipt of your check you will be e mailed your personal Customer ID and Serial Number for your license You can also make your payment on line via PayPal See the How To Order page on our web site for details Once you receive this information start the program and select Register from the Help menu f C A T 5 Engine Tuner Files Edit Tables ECM Options window Sjela Contents Search About Version Information When the registration form appears enter your Customer ID and Serial Number into the appropriate boxes Note that the Customer ID 1s case sensitive and should be entered exactly as received Enter your Serial Number carefully Also note that all letters in the Serial Number are all upper case Page 58 Computer Automotive Tuning Systems Software Registration To obtain a valid CustomerID and Serial Number to register this software please send a check money order for 69 95 ta
30. Table Location Cancel To quickly enter a value into a single cell double click on the cell This will display the Fill With Value screen Scale Selecting Scale from menu or clicking on the Fill button on the toolbar displays the Scale Value screen which allows you to enter a value by which all the selected cells will be multiplied Click to multiply the values or Cancel to keep the original cell values Scale With Value Enter The Value By Which The Selected T able Locations Will Be Multiplied s OF N Cancel Drag Graph Points If the table graph is being displayed table values can be changed by clicking on a point on the graph and dragging the point up and down The corresponding value in the table will change as you drag the point on the graph Page 27 Computer Automotive Tuning Systems Max Knock Retard Ys RPM in WOT Hetard Deg Spark 6 0 5 7 0 6 5 6 0 0 1000 2000 3000 4000 While you can type in fill add or subtract or multiply by any value program will convert resulting value to the nearest valid value for this table There are minimum and maximum allowable values for each table When using the increment decrement buttons or when dragging a point on the graph the program will prevent you from exceeding these limits By entering a value directly or using the fill add subtract or scale functions the r
31. Y 2800 RPH aa A WOT Delay Sec s DE Const 136 Const ee EGR OFF gt ON 3 AIPS e A You can also simply click value box and type in a new value While you can type in any value the program will convert the value you typed in to the nearest valid value for this constant Page 23 Computer Automotive Tuning Systems There are minimum and maximum allowable values for each Constant When using the slide control or the up down arrows the program will prevent you from exceeding these limits If you type in a number less than the allowable minimum you will receive the following error message WARNING Entered value is less than the minimum allowable value 20 Uze minimum allowable value 7 Cancel To use the minimum allowable value click Click Cancel to return to the previous value Similarly if you type in a value greater than the allowable maximum you will receive an error message that will ask you if you would like to use the maximum allowable value Selecting 2D and 3D Table Cells To edit values in the tables you must first select the cell or cells containing the values to be changed To select a single table cell simply click on the desired cell with the left mouse button To select a range of cells click on the first cell with the left mouse button and drag the mouse while holding down the left mouse button to highlight the desired
32. able will now be the difference between the values from the two calibration files In the case of the Switch Table if a Switch is not set the same in both calibration files the Switch name will be displayed in talics to designate that the two files are different Page 44 Computer Automotive Tuning Systems FS Main Spark Table Deg Spk COMPARE Ww e d m Page 45 Computer Automotive Tuning Systems ES Spark Table Deg Spk COMPARE ON If the table graph is displayed the graph will show the differences as well To switch back to normal view mode click the Compare button again You can also edit the table values when in the compare mode allowing you to see you changes relative to the Compare file Note When a table value is edited in the Compare mode only the primary calibration value is being changed No changes are made to the Compare Calibration file Generating Reports Printing An ECM Calibration Table To print a calibration table first open the table then either click on the Print button on the toolbar or select Print Table from the Files menu The selected table will be scaled to fit the page and printed as it appears on the screen Page 46 Computer Automotive Tuning Systems fE 5 Engine Tuner PCM Files Print Table 3 Printing An ECM Calibration Table Graph To print a 2D or 3D calibration table graph display the graph an
33. anges to the ECM Definition Files To keep tack of these changes each ECM Definition File carries a version letter which 1s advanced with each modification To view the version of the ECM definition Files currently being used select About from the Help menu C A T 5 Engine Tuner Source D Program File Files Edit Tables Tools ECM Options window Contents Search Register Version Information Page 6 Computer Automotive Tuning Systems This will display the about screen which shows various program information including the ECM definition File version letter 1 E Engine Tuner If you have multiple ECM Definition Files installed you can view the version of all your definition files To display this report select Version Information form the Help menu 5 Engine Tuner PCM_EE Source D Program File 7018 Help Version Information Page 7 Computer Automotive Tuning Systems Tuner File Version Information Frogram Component File Name Version winlunser exe ECM 32 Ecm 32 tdf E ECM 32B Ecm 32b tdf E ECM 42 42 tdf 3 ECM_4E Eem_4e tdf F ECM_4F Eem_4f tdf E ECM_61 bl tdf ECM BE be tdf ECM oD Bd tdf H ECM 99 S898 tdf 3 ECM DA daz tdtf ECM da3 tdf 00 d tdf PCM e tdf E PCM 31 31l
34. begin using the ECM Definition File enter the correct password and click on the OK button ECM Calibration Files An ECM calibration file is a binary format file created by reading the EPROM from you vehicles ECM This is accomplished using an appropriate EPROM programming device To be compatible with the C A T S Tuner Program the ECM Calibration File must be saved in binary format with the BIN file extension In the case of the FLASH PCM s supported by the SEE ECM Definition File the program will also accept It1 format files Page 9 Computer Automotive Tuning Systems Opening A Calibration File To open an ECM Calibration file select Open File from the File menu or click on the Open File button on the tool bar at the top of the screen C A T 5 Engine Tuner EC Edt ables Toole ECM Options GAVE Jave S Rie Enin Tane Graph Prater setup hase Default Path Exil DADATSSTunersSsdz bin This will display the Open File dialog box Select the desired file and click the button Open ECH Calibration File Look ir Ex Tuner 94 File name bknf bin Files of type Binary Files bin Cancel If you are using the SEE ECM Definition File Tuner program can also open lt1 format files Page 10 Computer Automotive Tuning Systems To open an It format file click on the drop down arrow to the right of the
35. calibration tables easy to understand and more convenient to edit the C A T S Tuner program displays all table values in correct engineering units rather than the binary values actually stored in the calibration file You may view as many tables at once as you want To view another table simply select it from the drop down list To close a table click on the window close box X in the upper right hand corner of the table Note You will NOT lose any changes that have been made to a table by closing it The displayed table can be sized in height or width by clicking on an edge and dragging it to the desired size Use the Windows menu to arrange the tables you have open Page 17 Computer Automotive Tuning Systems Viewing Calibration Table Graphs In addition to viewing the 2D or 3D ECM tables in tabular form each table can be displayed graphically This feature is not active for the Switches and Constants tables Two dimensional tables are graphed using two dimensional graphs and three dimensional tables use three dimensional graphs The graph can be viewed by itself or along with the table To view a table graphically open the desired table and click on the Graph Only button on the toolbar Alternately you can select Full Graph from the Options menu C A T S Engine Tuner Source D Files Edit Tables Tools BEES window Help Mad SB
36. d EPROM programmer and an EPROM eraser Virtually any EPROM programmer will work with the EPROM s used in these ECM s We recommend the Pocket Programmer from Xtronics www xtronics com It is very reasonably priced and works well Like the programmer almost any EPROM eraser will work Xtronics also carries an inexpensive eraser that works fine If you re working on a 1994 95 LT1 you ll need the Tuner program and the SEE ECM Definition File since these PCM s do not use a removable EPROM like the earlier ECM s you won t need and EPROM programmer or eraser These PCM s use FLASH memory that is read and programmed over the ALDL diagnostics port However to connect your PC to the vehicle for reading and programming the PCM you ll need and ALDL interface cable We recommend the cables from AKM Electronics http www akmcables com and TTS Power Systems http www ttspowersystems com ECM Definition Files The C A T S Tuner program uses a unique ECM Definition File to define the ECM parameters for each unique type of ECM A wide variety of ECM Definition Files are available See the C A T S web page at www tunercat com for a list of the configuration files currently available To insure reliable operation and maximum performance the correct ECM Definition File must be selected before viewing or editing an ECM calibration file Obtaining An ECM Definition File To obtain an ECM Definition File send a check or money order for 19 95 to
37. d then select Print Graph from the Files menu The selected table graph will be scaled to fit the page and printed as it appears on the display 1 5 Engine Tuner Print Graph he Print All ECM Calibration Tables This function allows you to print all the calibration tables at once in text format and quickly creates a compact hardcopy of your calibration Page 47 Computer Automotive Tuning Systems To print all the calibration tables in the open calibration file select Print from the Files menu Print Al The following message will then be displayed giving you the option to continue or to cancel the printing Print All Tables _ x ee To continue with the printing click To cancel the print click on the Cancel button All the calibration tables including the Switch Table and the Constants Table will be printed as many tables per page as will fit in text format similar to that shown below Page 48 Computer Automotive Tuning Systems Source File D Program FilesiCATS TunerdSss bin B 3 01 Main Spark Advance Vs RPM Vs RPM MAP 25 an 35 4D 45 50 55 65 70 75 80 55 90 95 100 40 75 480 210 220 210 2002190 470 150 10 600 2201 250 260 240 220 210 180 170 150 120 90 60 800 280 285 295 280 230 215 210 205 185 155 125 85 1000 2980 305 305 280 270 255 240 220 185 185 135 105 1400 330 350 40 310 29D 275 2860 245
38. e k Main Spark T able Cool Compensation Spark Power Enrichment Spark Deg Knock Retard Vs RPM in WOT Knack Retard Vs MAP By definition Switch values can be either On enabled or Off disabled To change the state of a Switch value click on the box to the left of the switch label ECM SWITCH TABLE Miel X TRACTION CNT L If there is an X in this box then the corresponding Switch is enabled If the box is empty then the Switch is disabled Editing Constant Type Calibration Table Values After opening the Constants Table there are three ways you can change the values of the Constants To make small changes you can click on the up down arrows to the right of the Constant name Each time you click the up arrow the Constant value will be incremented by one edit step Clicking the down arrow will decrement the value by one edit step Page 22 Computer Automotive Tuning Systems ECM CONSTANTS MAIN SPK BIAS w Deg ey TO BYPASS WOT DELAY 2900 RPH WOT Delay Sec s CIE B Const 136 Const a B EGR OFF gt ON 3 AIPS E GEN ORNOGONE ll ERNXENCEEEERZEIEXIEEEE To make larger changes click on the slide control below the Constant name and drag the slide control up or down The value will change as you drag the slide Stop when you reach the desired value ECM CONSTANTS MAIN SPK BIAS 10 Deg a TO e WOT DELA
39. er Driveshaft Rev option button This will disable Stock Speed Sensor and Transmission Type option buttons and enable the Pulses Per Driveshaft Rev text box Enter in the correct value of pulses per revolution for your speed sensor Finally enter in your rear end ratio To calculate the new speed calibration parameters click on the Calculate button The New Calibration Values box will now display the speed calibration parameters The Current Calibration Values box Page 34 Computer Automotive Tuning Systems displays the current calibration parameters stored in the calibration file for comparison When you are satisfied with the new values click on the Apply or the buttons to enter these new parameters into the calibration file just as if you changed them from the Constants Table The Apply button applies the changes but leaves the Speedometer Calibration screen open Clicking on the button also applies the changes but closes the Speedometer Calibration screen Click on the Cancel button to close the Speedometer Calibration screen without making any changes to the calibration file If you use tire size you should get close to the correct calibration values but you may have to make some corrections after testing To then fine tune the speedometer calibration further use revs per mile to make small adjustments VIN Information Type EE calibration files contain a copy of the VIN wh
40. esulting values may be outside the allowable range If any of the resulting values are less than the allowable minimum you will receive the following error message WARNING Some resulting table values are less D than the allowable minimum value 10 To use the minimum allowable value click minimum allowable value Cancel Click Cancel to return to the previous value s Similarly if any of the resulting values are greater than the allowable maximum you will receive a similar error message that will ask you if you would like to use the maximum allowable value s Copy and Paste Table Values Using the copy and paste function you can copy table values from 2D and 3D tables and paste these values into another portion of the same table into a different table or even into the table from another Page 28 Computer Automotive Tuning Systems calibration file You can also copy and paste tables values to and from other Windows programs that support the standard Windows clipboard function such as Microsoft Excel and Word To copy table values select the values from the source table and then select from menu or right click on the selected values and select Copy from the popup menu You can also use the Copy button ES on the toolbar or you can use the standard cntl c Windows shortcut Spark Advance RPH Increment Decrement Add 211
41. ewed This has the same function as the Graph Only button on the toolbars The option is only active if you are viewing a 2D or 3D Calibration Table Checking the Table Graph selection displays a graph along with the tabular view of the calibration table currently being viewed This has the same function as the Graph and Table button on the toolbars The option is only active if you are viewing a 2D or 3D Calibration Table Checking the Full Table selection displays the table currently being viewed in tabular form only This has the same function as the Table Only button on the toolbars The option is only active if you are viewing a 2D or 3D Calibration Table The next selection in the Options menu is Preview If this selection is checked a 3D Calibration Table graph will be fully displayed while you are changing the orientation of the graph When this selection is unchecked a wire frame representation of the graph axes is displayed when changing the orientation of the graph Page 53 Computer Automotive Tuning Systems Main Spark Table Deg Spk 29 This function is useful on slower computers where changing the graph orientation may be unacceptably slow with Full Preview selected The currently selected table can be printed in either test form or in graphic form If the Graphic Table Print option is selected then the table will be printed as it appears on the screen Normally whenever you make a c
42. for a description of the possible error messages If the programming process gets interrupted before completion you may be able to recover the PCM by resetting it Refer to Appendix A Resetting the PCM for details When the FLASH programming process is complete the message shown below will be displayed PCH FLASH Memory Programming Memory Programming Complete Click OK to complete the PCM programming and close the Programming Complete message box The calibration that was loaded into the Tuner program has now been transferred to the PCM and is ready for testing Comparing ECM Calibration Files A unique and useful feature of the C A T S Tuner program is the ability to compare two ECM calibration files When the Compare function is enabled the values in all tables will represent the difference between the primary ECM Calibration file and the Compare ECM Calibration File primary Page 42 Computer Automotive Tuning Systems file value compare file value Opening A Compare ECM Calibration File To use the Compare function you must open a Compare ECM Calibration file after opening your primary the calibration file you are going to edit ECM Calibration File f C_A T S Engine Tuner Edit Tables E Open Save To open the compare file select Compare File from the Files menu Save As Print Table Print Graph Printer Setup Close Default Path Exil SEAT SSTunersesdz bin
43. ge that was actually sent to the PCM is not the message the program is trying to send This indicates that there 15 a problem with the RS 232 to ALDL Signal Converter or the connection to the PC or there is some local source of electrical noise interfering with the communications TOO MANY WAIT MESSAGES This error message will be displayed if the program was unable to erase the PCM s FLASH memory This is most likely caused by a problem in the PCM PROCESSOR RESET ERROR This message indicates that the program was unable to reset the PCM after reading or programming memory If you receive this message remove power from the PCM to reset the PCM before using it This can be bone by either disconnecting the connectors from the PCM or disconnecting one of the battery terminals PCM HARDWARE FAILURE This message occurs if the PCM sends a hardware error message This indicates an internal problem in the PCM PCM MEMORY PROGRAMMING ERROR This error message indicates that the program was unable to program the PCM correctly Page 61 Computer Automotive Tuning Systems A CHECKSUM ERROR HAS OCCURRED This error message 15 displayed if the program receives a message from the PCM that has an incorrect checksum INCORRECT RESPONSE FROM PCM This error occurs if the program receives an unexpected or unknown message from the PCM indicating that the PCM may not be compatible with this program INVALID RESPONSE FROM PCM If the program receives a
44. hange to a value in a table the value will be displayed in red to indicate the value has been edited Unchecking the Change Indicators option turns off this function When change indicators are enabled the edited values will remain red until the file 1s closed and re opened Just saving the file while editing does not clear the change indicators If you wish to clear the change indicators during an editing session click on the Clear Change Indicators selection in the menu See the Editing Calibration Values section for more details Page 54 Computer Automotive Tuning Systems Selecting Preferences from the Options menu will display the Program Preferences screen Program Preferences Files in File History List 7 15 n Items in Drop Down List Column 10 38 33 Cancel From this screen you can change to number of files that are listed in the file history list in the Files menu You can set this number at any value from 1 to 15 The default value is five and as shown in the example below this will display the five most recently opened calibration files at the bottom of the Files menu Engine Tuner ECM Edit Tables Jools ECM Options Open Save Seve Compare File Print Table Print eire Print Printer setup Close Default Path Exit D Program Files CATS Tunery amp sdz bin D Program Files CATS bin
45. ibration information like the older GM ECM s These PCM s use FLASH memory that must be read and reprogrammed using the car s ALDL connector WARNING If the programming process does not complete successfully it is possible to damage the PCM Under no circumstances should you interrupt the programming process once it 1s started The following are recommendations for the successful programming of your PCM e Before programming the PCM make sure you can successfully read the PCM This is a very similar process and if that is successful then the programming should also work fine YOU CAN NOT DAMAGE YOUR PCM BY READING IT e Make sure the car battery is in good condition and fully charged DO NOT try to program the PCM with a battery charger connected to the car battery The correct range of the battery voltage for PCM programming is relatively narrow If you re using a laptop make sure the laptop battery is fully charged Make sure you have good connections between the PC ALDL connector and the interface cable and that they are not likely to be unintentionally disconnected during the programming process e Disable all power management functions on your PC e Disable all screen savers on the PC e Make sure there are no other applications programs running on your PC including virus checkers Before proceeding be sure you have specified the correct Comm port that you will be using to communicate with the PCM To set the correct Comm port
46. ich can be read by the Tuner program Select Check VIN from the Tools menu to view the VIN from the calibration file f C A T S Engine Tuner PEH_ Files Edt Tables MEMS ECM Options e Mel Speed Calibration Hotes This will display the VIN information screen which shows the actual VIN number along with all the information that is contained within the VIN Page 35 Computer Automotive Tuning Systems VIN Information YIN 1G1EL52PsSA132430 YIN Information County of Origin U S A Manufacturer General Motors Division Chevrolet Carine Caprice Classic agon Impala 55 Body Style 4 door sedan Restraint System Active belts bags Engine Type 5 7L Model ear 1995 Assembly Plank Arlington T Sequence Number 132438 Note The actual VIN is stored in EEPROM on the microprocessor and cannot be changed by editing the copy that appears in the calibration file from the FLASH memory Calibration Notes If you are working with the SEE ECM Definition File you can add calibration notes directly to the calibration file These notes are stored in an area that is not used by the PCM and have no effect on the calibration The notes field can contain up to 255 ASCII characters To view edit or add new calibration notes to your calibration file select Notes from the Tools menu 5 Engine Tuner M Files Edt Tables ELM Options Hal 4
47. icking on the selected cells You can increment or decrement the values in the selected selected cells by a predefined edit step size In addition to selecting Increment or Decrement from menu you can also click on the buttons on the toolbar or you can use the keyboard and keys Add Selecting from the menu displays Add Value screen which allows you to enter a value that will be added to the values in the selected cells Click OK to add the value or Cancel to keep the original cell values Add Enter The Value To Be Added To The Selected Table Locations Cancel Subtract Selecting Subtract from the menu displays the Subtract Value screen which allows you to enter a value that will be added to the values in the selected cells Click OK to subtract the value or Cancel to keep the original cell values Subtract Yalue Enter The Value To Be Subtracted From The Selected Table Locations H OF 1 Cancel Page 26 Computer Automotive Tuning Systems Fill Selecting Fill from the menu or clicking on the Fill button LE on the toolbar displays the Fill With Value screen which allows you to enter a value that will be used to fill all the selected cells Click OK to use the new values or Cancel to keep the original cell values With Enter The Value To Be Entered Into The Selected
48. layed during the read process Read Memory DO NOT INTERRUPT Status Establishing Communications The progress meter shows the progress on the reading of the PCM as it proceeds and the Status window describes what part of the process in currently underway Depending on the PC you are using the programming will usually take about five minutes If the process does not complete correctly for some reason an error message will be displayed in the Status window See Appendix B for a description of the possible error messages If the read process gets interrupted before completion you may have to reset the PCM before it will function correctly Refer to Appendix A Resetting the PCM for details When the FLASH read process is complete the message shown below will be displayed PCH FLASH Memory Read Memory Head Complete Click to complete the PCM read and close the Read Complete message box The calibration from your PCM will now be loaded into the Tuner program and you can now view and edit the calibration parameters as needed NOTE Its a good idea to save a copy of the original stock calibration to your hard disk before making any changes This way you ll have a baseline to return to if necessary For details see the section on Saving A Calibration File Page 39 Computer Automotive Tuning Systems Program PCM The type EE PCM 1994 95 LT1 does not use a removable EPROM to store the cal
49. mm port again unless you want to change to a different port To read the calibration currently stored in the PCM select Read PCM from the Tools menu Page 37 Computer Automotive Tuning Systems 1 5 Engine Tuner Files Edt Tables ECH Options elal fe Speed Calibration Check VIN Hotes Program This will display the read PCM start screen Read Memory Connect the Interface Cable to the computer and the diagnostics connector in the vehicle Turn the ignition key to the position engine running Cancel Before proceeding connect the RS 232 ALDL converter interface cable to the Comm port on your PC If your PC has more than one Comm port make sure you connect the converter to the com port that you specified on the Comm Port Setup screen Connect the other end of the converter to the ALDL diagnostics connector on the vehicle Once the cable is connected turn the ignition key on but DO NOT start the engine After turning on the ignition wait about 10 to 15 seconds to clear the GM security delay before proceeding with programming Now click on OK to begin the PCM read process If all the connections have been properly made the program will begin communicating with the PCM sending the necessary instructions to start the memory read process Page 38 Computer Automotive Tuning Systems The following status window will be disp
50. ng 2D Graph Views The view of the 2D graph can be changed to make it easier to view the table data points by using keyboard and mouse commands The following commands are available for 2D graphs TPS Thresh Ys RPH for WOT IPS 60 50 40 30 20 0 1000 2000 3000 4000 5000 6000 2000 0 25 2400 60 Zoom Graph Window To zoom in on a particular area of the graph hold down the Control key and the left mouse button and drag the mouse over the area to zoom Press the R to return to the original zoom level Move Graph To move the entire graph within the table window hold down the Shift key and the right mouse button and drag the graph in the desired direction Scale Graph To scale the entire graph hold down the Alt key and the left mouse button and drag the mouse up to make the graph bigger or down to make the graph smaller Page 20 Computer Automotive Tuning Systems Changing 3D Graph Views The view of the 3D graph can be changed to make it easier to view the table data points by using keyboard and mouse commands The following commands are available for 3D graphs Cool Compensation Spark Rotate Graph rotate a 3D graph hold down Shift key and the left mouse button drag the mouse to rotate the graph Moving the mouse up and down rotates the graph about the x axis moving the mouse left and right rotates the graph about the z axis and moving the
51. nicate with the RS 232 to ALDL Signal Converter This can be the result of not having the converter connected to the PC having it connected to the wrong Comm port or a hardware failure in the converter INVALID COM PORT SELECTED This error message will be displayed if you select a Comm port that does not exist on your PC NO RESPONSE FROM PCM If the program receives no communications from the PCM the message will result This is generally caused by not having the RS 232 to ALDL Signal Converter connected to the diagnostic connector or not having the ignition on ENGINE IS RUNNING You will receive this error message if you attempt to read or program the PCM when the engine is running BATTERY VOLTAGE OUT OF RANGE Before programming your PCM the program checks the battery voltage If the battery voltage 1s out of the acceptable range too low or too high this error message will be displayed SECURITY VIOLATION If you receive this error message you didn t wait long enough after turning on the ignition to try to read or program the PCM Part of GM s security system is a delay after power up during which you can not access the PCM Turn off the ignition key and wait for about 30 seconds to reset security violation status flags Before attempting to program the PCM again turn on the ignition and wait about 15 seconds before proceeding with the programming of the PCM INCORRECT MESSAGE SENT This error message indicates that the messa
52. ons menu Clicking on this item will display the Comm Port Setup Screen Comm Port Selection Comm Port Status C Comm Invalid Port Comm Port 22 Port Comm Pot 2 Available C Comm Pote Invalid Port C Comm Port 3 Available C Comm Fort Invalid Port Comm Invalid Fort Comm Part 8 Invalid Port Cancel This screen allows you to select which comm port on your PC will be used when communicating with the PCM for reading and programming the PCMs FLASH memory To select the desired comm port click on that port and then click Window Arrangement The Window menu gives you several options for arranging multiple calibration tables that you have open C A T S Engine Tuner Source D 4F Files Edit Tables Jools Option Beine m ee 2 la Tile Vertically k The Cascade selection overlays all the open tables on top of each other so that the title bars of each table are visible Page 56 Computer Automotive Tuning Systems The Tile Vertically selection displays each open table side by side on the screen The Tile Horizontally selection will display each open table the full width of the main window and divide the window vertically evenly for each open table Comments and Problem Reports We at C A T S are continually trying to improve our products and to do so we rely heavily on inputs from users and we welcome all commen
53. peedometer Scaler 25 Speedometer Scalar Fraction 1 015 Speedometer Scalar Scantool 41 036 Time Between Pulses for Stop Speedometer Scaler Fraction Speedometer Scaler Scantool Time Between Pulses For Stop Pulses Per Driveshatt Rev Cancel There are two ways to calculate the speed calibration parameters by tire size by the number of revolutions per mile of the tire The most accurate way is to determine the actual revs per mile for your vehicle but you can enter the tire size and the program will calculate an approximate revs per mile Pulses Per Onveshatt Rev To use tire size click on the Tire Size option button and enter the tire size in the boxes provided To use revolutions per mile click on this option button and enter the appropriate revs per mile To properly calculate the vehicle speed the PCM also needs to know how many pulses per revolution of the driveshaft are generated by the speed sensor If you are using the original transmission click on the Stock Speed Sensor option button in the Speed Sensor Information Box and then select the appropriate Car Type and Transmission Type The Tuner program will then insert the correct value of pulses per revolution If you are using a non standard transmission then you will have to enter in the correct number of pulses per driveshaft revolution for the speed sensor that 1s being used To enter in this value directly click on the Pulses P
54. s will restore the tables values to the values that were in the table when you last saved the calibration file to disk Only the active table is affected Calibration Tools The Tools menu provides several useful calibration utilities that are active when you are using the EE ECM Definition File The following utilities are accessed from this menu Speedometer Calibration VIN Information Calibration Notes Read PCM Program PCM Note The Tools menu will be inactive when you are using any other ECM Definition File Speed Calibration The Tuner program includes a speed calibration utility that can help you calculate the calibration parameters that determine the speed calibration These calibration parameters need to be changed if you change the rear end ratio or tire size To access this utility select Speed Calibration from the Tools menu C A T S Engine Tuner Files Edt Tables Check VIN Notes Page 33 Computer Automotive Tuning Systems The Speedometer Calibration screen will then be displayed Speedometer Calibration Tire Information Tire Size 285 Revolutions Mile Speed Sensor Information Stock Speed Sensor Pulses Per Driveshaft Rev Transmssion f Automatic Manual Gear Information Hear End C ForB Car 3 07 Hew Calibration Values Current Calibration values Speedometer Scalar S
55. select Comm Port Setup from the Options menu This will display the following screen 2 Comm Port Selection Comm Port Status C Comm Port Invalid Port C Comm Port Invalid Port Comm Pot 2 Available C Comm Pote Port C Comm Por 3 Available C Comm Fort Invalid Port Comm Invalid Port C Comm Pets Invalid Port Cancel Select the Comm port you wish to use and click The program will save this selection so you don t have to set the Comm port again unless you want to change to a different port Page 40 Computer Automotive Tuning Systems The PCM will be programmed with the calibration that is currently loaded into the Tuner program See the Opening A Calibration File section for details Note Any changes made since opening the calibration file will be included in the calibration when the PCM is programmed To program new calibration into the PCM select Program PCM from the Tools menu FSI E Engine Tuner Files Edt Tables ELM OUptions Sle we Speed Calibration Check VIN Notes Read PLM This will display the Program PCM start screen Fe Program PCH Memory Connect the Interface Cable to the computer and the diagnostics connector In the vehicle Turn the ignition key to the position engine NOT running WARNING INTERRUPTING THE PROGRAMMING PROCESS DAMAGE YOUR Before proceeding 1 Close all other applications including
56. tdf PCM 65 B5 tdf 5 PCM eb tdf D OK Print To create a hard copy of the version report click on the Print button A list of all the current file versions 1s available on the C A T S web page If you need an update to one of your ECM Definition Files please send us an e mail to request the latest version ECM Definition File Help If an ECM Definition File help file for the Definition File you are using is installed you can access the Definition File help from the menu To access the Definition File help select Calibration Help from the Help menu C A T S Engine Tuner Files Tables ECM Options window ns p Tuner Help Help on Help About Version Information Page 8 Computer Automotive Tuning Systems This will display the Definition File help screen E EE Definition File Help kx amp Hide Back Pint Options Switch Table Constants T able i Sr C A T S COMPUTER AUTOMOTIVE TUNING SYSTEMS Introduction k Use the navigation keys on the help screen toolbar to move around in the help file Click on the next to the categories in the contents box to expand them ECM Definition File Password If the ECM Definition File that you have selected has been password protected the password input screen will be displayed w Enter File Password OF x To
57. ts and suggestions Please e mail us at tc tunercat com with any comments or suggestions and to report any operational problems Software License Copyright And Warranty COPYRIGHT The C A T S Tuner software is copyright 2002 with all rights reserved The distribution and sale of this software are for the exclusive use of the original purchaser for use exclusively on computers privately owned by that purchaser Unauthorized copying duplicating selling or otherwise distributing the software is in violation of the Federal Copyright Law LICENSE AGREEMENT Use of this product constitutes acceptance of these terms and conditions and an agreement to abide by them This is a license agreement and not an agreement for sale Computer Automotive Tuning Systems owns or has licensed from the owner copyrights in this software The original purchaser 1s granted a personal nonexclusive non transferable license to use this software under the terms stated in this agreement You may not assign or transfer the software or this license without the express written consent of Computer Automotive Tuning Systems Any attempt to sublicense assign or transfer any of the rights duties or obligations there under is void You may not copy except for backup purposes modify alter electronically transfer lease or rent the software This license is in effect until terminated You may terminate it at any time by destroying the software It will also terminate if you fail to
58. you to print all the calibration tables at once in text format to a text file rather than creating a hardcopy on your printer The resulting text file is a convenient way to document you calibrations and can be easily edited to add comments or can be embedded into other documents To print all the calibration tables in the open calibration file to a text file select Print from the Files menu FE C A T S Engine Tuner Files Print All To File Page 50 Computer Automotive Tuning Systems A standard file save dialog box will be displayed to allow you to enter a file name to be used to save the file Save Calibration Report Save In Tuner File name Save tet Cancel Enter the desired file name and click on the Save button to complete the print all to file function Default Path If you wish you may setup the program to go to a default directory for any file operation f C A T 5 Engine Tuner Edit Tables Tools Open To specify a default path for the program select Default Save from the Files menu Source C ELM Save As Compare File Print T able Printer Setup Close Exit 0 madl BIM CACAT ST unertest bin Page 51 Computer Automotive Tuning Systems pz Set Default Directory The default path window will be displayed Select the
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