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1. Ross Tech VAG COM Diagnostic Software for VW Audi SEAT Skoda User s Manual Version 504 1 Copyright c 2000 2005 by Ross Tech LLC 920 South Broad Street Lansdale PA 19446 1 215 361 8942 www Ross Tech com Disclaimer All rights reserved No part of this publication may be reproduced stored in a retrieval system or transmitted in any form or by any means electronic mechanical photocopying recording or otherwise without the prior written permission of Ross Tech LLC The information contained herein is designed only for use with VAG COM Ross Tech LLC is not responsible for any use of this information as applied to this or other diagnostic equipment Neither Ross Tech LLC nor its affiliates shall be liable to the purchaser of this product or third parties for damages losses costs or expenses incurred by purchaser or third parties as a result of accident misuse or abuse of this product or unauthorized modifications repairs or alterations to this product or failure to comply with Ross Tech LLC s written instructions By using VAG COM you acknowledge that this Program is provided as is and with all faults defects and errors and that all use of the Program is at your own full risk It has been extensively tested but we cannot guarantee it will work correctly with every system in every car We will make our best effort to fix any bugs and to enhance the program but we specifically discl
2. Switch to Basic Settings can be used to go to Basic Settings for the Group that is currently being displayed This should be done only under guidance from the Service Manual or when following some other documented procedure For more information see the Table of Contents for the page listing for Basic Settings Note Multiple Groups are not permitted in Basic Settings The Switch To Basic Settings button is intentionally disabled if you have groups running in the second and third rows To stop a running group click on the box that displays the group number as though you wanted to enter a new number The button is also disabled on controllers using KWP 2000 On those you need to go directly to the Basic Settings screen The data presented in each Measuring Block Group varies greatly from Control Module to Control Module and between different models and years Some groups are documented in the Factory Repair Manuals but many are not Feel free to explore the Control Modules in your car by scrolling through all the Groups You can t hurt anything with the Measuring Blocks function 14 Measuring Blocks cont VAG COM will attempt to scale the raw data coming from the Control Module into real world units like degrees C km h etc At the present time all scaling conversions are to metric units Note Group 000 and any other group that displays 10 fields instead of 4 is an exception No scaling is possible because the Control
3. The Security Access Function supports 7 Digit SKCs This is needed for Immobilizer Functions such as key programming on the latest vehicles like the Touareg Daly A Comm Status Ic 1 TE 0 RE 0 VAG COM Protocol KWP2089 Open Controller Controller Info VAG Number VAG COM 01 Engine PIN SKC Egjosc 5644 Soft Coding C 45241 7 Digit PIN Day Month Year t a 3618942 le fm Apri m 2005 fx Extra wsc Importer 19446 444 ey Enter security access key 0 99999 1234567 or Use 7 digit PIN SKC For more information see the Table of Contents for the page listing for 7 digit PIN SKC Use the Do It button to save the Login and return to the Select Function Screen Use the Cancel button to cancel the Login and return to the Select Function Screen 37 VAG COM Auto Scan VAG 1551 1552 function 00 This function scans each controller in the vehicle to retrieve controller information VAG number Component number Soft Coding WSC and fault codes First you must Select Chassis Type There are dozens of different control modules that exist across the entire range of VW Audi vehicles No one car has all Modules Newer cars have more older cars have fewer Because of this you must select a Chassis Type that contains only those modules that are plausible for a given chassis VAG COM Auto Scan Note Chassis Types can be Chassis Type 7L VW Touareg modifed by editing the Scan
4. e SP1 Sevice Pack 1 for Windows 2000 adversely affects VAG COM s ability to do real time and makes communications with some controllers unreliable If using Windows 2000 with Service Pak 1 you should apply Service Pak 2 or Service Pak 3 1997 VW Passat B5 Central Convenience System These controllers seem to have a bug that causes them to drop the communications session when VAG COM requests the door slave controller Extra info A work around is available in Version 0 70e which simply does not request any Extra info If you have a 1997 B5 Passat non US models only use 0 70e on the Central Convenience system 1998 and newer Passats do not have this problem 1990 1993 VW Cabrio Cabriolet Airbags These controllers do not communicate with VAG COM In fact they do not communicate with Volkswagen s VAG 1552 scan tool either unless the 1552 has an old outdated program card installed Audi Concert and Symphony Radios These are made by Matsushita The Concerts have blatant bugs in the diagnostic protocols We ve added one work around to the low level protocol drivers that works in some but not all Concerts and it is not 100 reliable in any case Some Concerts occasionally get stuck in an undesirable mode after attempting communications If your Concert gets stuck the way to reset it is to remove all power from from the radio for at least 10 15 seconds This can be done by e Removing the radio from the car e Disconnecting
5. 0004153 em Shop WSC 31414 No fault code found Address 03 ABS Brakes n nn nn nnnnnnnnnnnnnnnenenns Controller 7L0 907 379 B Component ESP ALLRAD MK25 0106 Close Coding 0014593 v Start This begins the Auto Scan Beware this process can take several minutes While the scan is running VAG COM will cycle through the Open Controller and Fault Code screens for each controller before returning to the Auto Scan screen Beware this process can take several minutes Double clicking on any of the Control Module names in RED will open the Fault Codes screen for that controller and allow you to clear the codes Stop This stops the Auto Scan 39 Auto Scan cont Gateway Installation List Usually available only on Gateways in cars using a direct CAN connection for diagnostics new A8 and all Golf 5 chassis cars This very fast function takes about 3 seconds to query the car s Gateway to find out what modules are installed in the car and what their status is Any modules having fault codes should show a Malfunction Modules are directly accessible from this screen by double clicking on the appropriate line The following screen shot is from a Golf 5 in Europe VAG COM Auto Scan Note Chassis Types can be modified by editing the AUTOSCAN TXT file Select Chassis Type Include Airbags Gateway installation list Clear all DTCs Re
6. Check the following Is the adapter plugged into the car A Serial Interface that is not plugged into the car will always be Not Found It gets power from the car Is the car s ignition switch in the ON position Is it plugged into the correct serial port Some PC s have the ports mis labeled e Are the serial ports on your PC properly configured 56 Appendix B VAG COM FAQ cont 2 4 Why can t get VAG COM to communicate at all Cont e Disable Palm HotSync or Microsoft ActiveSync software If you have a 1997 or newer car with an aftermarket radio or if you have used your ISO COM Interface on a car with an aftermarket radio read this page http www ross tech com vag com aftermarket radio html Check our Issues page for any special configuration settings that may be necessary for your vehicle If you are using a power supply for a laptop it should be one specifically designed for that purpose NOT a universal adapter Note If you test the COM port but an hourglass appears you may have an IRQ conflict This may not show up in Device Manager as a conflict But try this e Start gt Run gt MSINFO32 EXE to bring up the System Information utility Go to Hardware Resources gt IRQs This should show a list of all devices by their IRQ so you can see if there are any repeated or shared IRQs If all else fails feel free to call or email us making sure to provide the brand and model of vehicle
7. Found New Hardware Wizard Please choose your search and installation options Search for the best dover in these locations k boxes below to lint or expand the default search which includes boal a e meda The best diver found wil be instaled C Search removable media flopay CD ROM lt Make sure that you have checked Z houde this Igcation in the search Include this location in the search C AProgram Files WAG COM salt ia and that it points to C Program Files VAG COM Dont search wil choose the driver to install Choose this option to salect the device driver from a let VAndows does not guarantee thet tha diver you choose wil be tha bast match for your hardware lt Back Net gt Canco Getting Started cont Please wait while the wizard installs the software De Click Next gt and this Hardware Installation y dialog should appear The software yeu ara installing for this hardware oe VAG COM Compatible USB VAG COM Compatible USB interface has rot passed Windows Logo tasting to vanfy la commathity with Windows XP Tell fi m t Continuing your installation of this software may impair or destabilize the correct operation of your system J either immediately or in the future Microsoft strongly oa recommends that you stop this installation now and contact the hardware vendor for software that has passed Windows Logo testing Coninue Any
8. Some Outputs require additional action before they become active Fuel Injectors are a common example To activate a Fuel Injector you must press and in some cases release the gas pedal Exact details can be found in your Factory Repair Manual 29 Output Tests cont On most systems the Output Tests function is only available when the Engine is not running It is perfectly normal to see a short to ground message in the process of running Output Tests The ECU identifies which output it is currently testing by sending a fault code number On many ECU s the full text for this fault code includes short to ground Why Because one side of the actuator in question has 12V on it all the time and the ECU completes the circuit and turns the actuator on by pulling the other side to ground Warning Do not use the Output Tests function on any system while the car is in motion Running Output Tests on the ABS brake system can temporarily disable the brakes entirely and cause individual wheels to lock and unlock We strongly suggest you refer to the Factory Repair Manual for your specific car before running Output Tests on any Control Module so you will know what to expect If you try to perform Output Tests on an Airbag controller the following warning will pop up VAG COM X WARNING Abd Running Output Tests on the Airbag Controller can lead to unexpected results such as a vehicle that will not start Are you
9. 3 4 Can I build my own Interface Adapter Yes There are a number of websites with plans and schematics However we will not provide links to them nor do we sell connectors or parts We do not have the time or inclination to help people debug their home built interface adapters via e mail or over the telephone If you choose to build your own adapter that s fine we have no problem with that Just don t expect any assistance from us until you have VAG COM talking to your car in shareware mode We have reports that some 3rd party Interface designs do not work correctly with some controllers Once you ve got it working you can register the software for 99 and get full support for the software Of course if you buy one of our complete hardware software kits we will provide start up support as well as free updates for at least one year from date of purchase Compatibility of future versions of VAG COM with 3rd party interfaces is not guaranteed 59 Appendix B VAG COM FAQ cont 3 5 Why does VAG COM require Activation All of our Current Interfaces have Activation built in so users never have to worry about Activation De Activation etc However VAG COM versions prior to 5xx x will also run through dumb interfaces which are not particularly difficult to make and we would like to get paid for our work The reality is that there many people in this world that just won t pay for software unless they have to We ve invested a large
10. Exhaust Gas Recirculation Valve N18 0 min 222 0 Nm 0 0 mg str 4 8 RPM Torque Mass Air Rev Duty Cycle Next Done Go Back The Output Tests function is used to test a Control Module s Electrical Outputs and the wiring that connects it to the various devices Output Tests under KWP 2000 includes simultaneous measuring data when available from the control module in question To begin Output Tests and to progress through each step click Start Next Notes The Outputs that can be tested and the sequence in which they become active is controlled strictly by the Control Module this is not a function of the Diagnostic Tester To find out which Outputs can be tested and the sequence in which they will become active please refer to the Factory Repair Manual for your car Once the Test Sequence once it has been started clicking Done Go Back will take you back to the Open Controller Function Screen THE TEST SEQUENCE WILL STILL BE ACTIVE Most Control Modules will permit the Output Test Sequence to be run only one time per session If you run the Test Sequence to completion VAG COM will allow you to return to the previous screen without closing the session but you may not be able to run the Output Test Sequence again If you need to run the Sequence again manually Close the Controller and re start the session On some cars you must cycle the key OFF and ON or even start the engine to clear the cylinders of fuel
11. Immobilizer 3 Adaptation You must enter the following information e 7 digit SKC that the dealer generated for your exact Immobilizer ID Number Date on which the SKC was GENERATED BY THE DEALER e Workshop Code WSC for the dealer that generated the SKC e importer Number for the dealer that generated the SKC The 7 digit SKC is useless without these other items When you have filled in all of the data click OK If any of the entered data does not make sense the following message may appear Wagcom X This combinaton of inputs is implausible When you have successfully submitted the 7 digit PIN SKC you are taken back to either the Login or Adaptation screen wherever you were when you clicked on Use 7 digit PIN SKC Now you should have XXXXX in Login or Adaptation value 25 7 digit PIN SKC Dialog cont Notes Unlike the factory diagnostic tools with VAG COM the same PIN can be used for a particular car at any time in the future as long as you keep track of the PIN along with the Date on which the PIN was GENERATED BY THE DEALER the dealer s Workshop Code WSC and the Importer number If you obtain a 7 digit SKC but the dealer has not provided the WSC look at the window stickers of vehicles on the dealer s lot The dealer number will be listed next to the name and address of the dealer In the US the dealer number will be a 4 followed by five more digits for example 401742 To
12. Modules If you encounter problems please try These Suggestions first If you still have problems feel free to Contact Us with full details about your PC and vehicle preferably while you are in front of both 60 Appendix B VAG COM FAQ cont 4 2 Can use VAG COM while I am driving We strongly recommend against reading data while driving that would be an accident waiting to happen Almost everything that changes while you drive can be LOGGED to a CSV file which you can analyze to your heart s content using VAG Scope or Excel or a number of other programs preferably while the vehicle is not in motion If you find it necessary to read data while the vehicle is in motion we strongly urge you to use a second person one to drive one to look at the PC This second person should sit in the back seat because a laptop used in the front passenger s seat becomes potentially lethal if an airbag drives it back into the passenger s head or torso in case of an accident 4 3 What is The Aftermarket Radio Problem If you are working on a 1997 or newer car with an aftermarket radio read this page http www ross tech com vag com aftermarket radio html 4 4 How do upgrade my existing VAG COM software to the newest version You should be able to simply Download and install the latest release of VAG COM in your PC All of our Current Interfaces have built in Activation so the new version should be fully Registered and Acti
13. Signal too High P0113 000 17848 EGR Valve N18 Open Circuit v Clear Codes 05 Freeze Fiame Print Codes Copy Codes Save Codes Done Go Back On this screen VAG COM shows you any DTC s Diagnostic Trouble Codes or Fault Codes VAG COM shows the DTC numbers and also decodes each DTC into meaningful text The 5 digit number is a standardized VAG fault code which can be searched in the Factory Repair Manuals The text is a description of the part and failure mode The letter and number combination in parentheses is the DIN Component Identifier This is followed by elaborators describing the condition of the fault The second line contains the P code or generic OBD II code if it exists there are thousands of VAG codes without generic OBD II equivalents Clear Codes 05 will erase the DTC s from the Control Module s memory Be aware this is does not fix the problem that caused the fault DTC s should only be erased after correcting the condition s that caused them in the first place Note There is no way to erase individual DTC s while leaving others alone This is not a limitation in VAG COM It s just the way the VAG protocols work 12 Fault Code Screen Cont Freeze Frame adds Freeze Frame data for Fault Codes on control modules using the KWP 2000 protocols Note Not all control modules fully support this very few cars can currently handle freeze frame data using the VAG proprietary protoc
14. Some fields like Chassis Number may be blank if the module has never had a chassis number installed You can use the small lt and gt buttons under Software to get version information for various portions of the firmware in the control module Use Go Back to return to the Open Controller screen 22 VAG COM Login VAG 1551 1552 function 11 wie co Comm Status IC 1 TE 0 RE 0 VA G COM Protocol KW1284 Open Controller Controller Info VAG Number OBA 906 032 F Component 19MATM10 HEX 161 2730 Soft Coding 10141 Shop WSC 00000 Extra Extra VAG COM 01 Engine Login X Most Controllers only allow one Login attempt If an incorrect Login Code is entered you will have to turn the ignition OFF for a minute or two before trying again Refer to Service Manual for a valid Login Code Enter Login Code 0 65535 11463 or Use 7 digit PIN SKC Co The Login Function must be used on some but not all Control Modules before you can Recode or change Adaptation values On others it enables certain features like cruise control Valid Login codes can be found in the Factory Repair Manual for your car If working on an Immobilizer select Use 7 digit PIN SKC to enter a 7 digit Secret Key Code For more information see the Table of Contents for the page listing for PIN SKC Use the Do It button to save the Login and return to the Select Function Screen Use the Cancel button to cancel the Login and
15. Tool Procedures If a paper Bentley manual is called a Service Manual it usually does not have scan tool procedures If it is called Official Factory Repair Manual it does An additional source of manuals that contain Scan Tool procedures is Dyment Distribution Services 1 800 544 8021 Since the above Bentley Factory information only applies to US Canadian vehicles if your car is European spec or from the rest of the World they may be of little use to you For Rest of World VW manuals check erWin volkswagen de For Rest of World Audi manuals check erWin audi de For Rest of World Seat manuals check erWin seat com For Rest of World Skoda manuals check skoda haendlershop de German only 2 1 How do Register Activate my software All of our Current Interfaces have Activation built in so VAG COM should always be Fully Activated once it has been tested on a car 2 2 What s the difference between the Shareware version and the fully registered version When you first download a new version of VAG COM from our website it operates in a limited Shareware mode until you plug in the Interface and test it on a car 2 3 Is Product Support included in the price A Absolutely If you have a question or problem please post it to the VAG COM mailing list mail it to us directly or give us a call However please understand that we don t know everything about every VW Audi ever made 2 4 Why can t get VAG COM to communicate at all
16. as Engine After VAG COM has connected click on Fault Codes to check for Fault Codes DTC s Repeat the process for each of your car s Control Modules If you encounter problems see the FAQ in Appendix B of this Manual first If you still have problems feel free to contact us with full details about your PC and vehicle preferably while you are in front of both Note Your car will not have all the Control Modules listed in VAG COM only the ones on the Applications Page for your car See our Website for more info www Ross Tech com vag com cars applications VAG COM Main Screen es VAG COM Main Screen Tog VAG COM 7770 Codes Loaded Select Control Module Auto Scan Control Module Finder Select an Individual Control Module An automatic scan of all controllers Scans an address range for such as Engine ABS Airbag etc for Fault Codes 1509141 compliant control modules Select e Auto Scan Control Module Finder OBD II Functions Applications Program Options Generic OBD2 Mode Features consistng of several Select Comm Port Set Debug and Retrieve and clear faults and basic commands like transport Protocol Options etc freeze frame obtain live data mode OBD II Applications This screen appears when you start VAG COM by clicking the shortcut on your Desktop or by selecting VAG COM from the Start Menu On this screen you have 8 buttons that you can click with your mouse Select Auto Scan Co
17. exists VAG COM will show you the Stored Value If a channel does not exist the Stored Value will show as N A Other data the controller may or may not send will be decoded and shown in the four display fields at the top of the screen Once you have reached a channel of interest you can use the Up and Dn buttons next to New Value to incrementally change the value Or you can directly enter a New Value and click Test This will tell the controller to temporarily use the new value so you can evaluate it s effects When you are satisfied with the effect of a New Value you can store it in the Controller permanently by clicking Save 34 Adaptation cont Notes Channel 00 is a special case Performing a Save to Channel 00 resets all adaptation values to their original factory defaults This only works in controllers that support this function see your Factory Repair Manual to find out if this procedure applies to each controller in your vehicle Some Engine and Immobilizer controllers will require a valid Login before permitting you to Test or Save Adaptation values Values put in with Test but not Saved will persist until controller is powered down Label Files can support values and description for Adaptation channels This help chart is displayed in a balloon VAG A Comm Status 1 1 TE 0 RE 0 VAG COM Protocol KW1281 Open Controller Controller Info VAG Number 028 906 021 C Component 1 91 R4 EDC S
18. fields Use Done Go Back to return to the Open Controller screen The most common use for the Basic Settings function is to recalibrate the Throttle Body Another common use for Basic Settings is to bleed the ABS Hydraulic Unit on newer cars Please refer to a Factory Repair Manual for your car before attempting to do this You can begin and end a Data Log while in Basic Settings For more information see the Table of Contents for the page listing for Data Logging Basic Settings in KWP 2000 VAG COM 01 Engine Measuring Blocks Basic Settings K Sample Rate 92 VAG COM Label File 4D0 907 560 DA LBL Basic Settings ON QN OFF Next Group Adaptation of Throttle Valve TV Controller Ignition On amp Engine Off 060 10 5 89 1 5 ADP Run Throt Sens 1 Throt Sens 2 Adap Step Cnt Adapt Cond 8 60 60 94 0 8 ADP OK Group Group done GoBack VAG Scope Log On Controllers using KWP 2000 there is an ON OFF Next button that allows you to initiate and exit Basic Settings while still being able to see the values in the measuring groups 28 VAG COM Output Tests VAG 1551 1552 function 03 KE cow Get TE 0 RE 0 VAG COM Protocol KWP2089 Open Controller Controller Info VAG Number 03G 906 016 BT Component R4 1 9L EDC GOOOSG 5644 Soft Coding 0000072 Shop Imp 124 WSC 45241 Extra Extra Geraet 63128 VAG COM 01 Engine Output Tests E Activated output
19. less than 100 reliable e TE is a counter of transmitter errors within individual packets TE greater than 0 can indicate unreliable communication RE is a counter of receive errors within individual packets EE greater than 0 can indicate unreliable communication Protocol indicates whether the controller speaks KWP 1281 KWP 2000 or CAN Bus See the Function Chart in Appendix E in this manual for more information e A rotating cursor shows that communication is active 10 Open Controller Function Screen Cont Controller Info Once the communications session has been established all of the Control Module s Identification data is presented here e VAG Number is the VW Audi part number for this controller e Component contains more identification information about the controller and may contain a version number for the controller s internal firmware e Soft Coding is the Software Coding that determines various options for the controller e Shop identifies the WorkShopCode stored in the scan tool that last Recoded this Control Module Note Some older Control Modules are not codeable and you may see a Bosch part number or other information in these fields The Extra fields can show VIN and Immobilizer information or slave controller part numbers in some vehicles Basic Functions This grouping of Safe functions are used to read various data from the Control Module VAG COM checks whi
20. on a PC Select Com Port Set the COM Port to which you have connected the Interface Adapter You can then click Test to see if VAG COM can find the adapter For more information see the Table of Contents for the page listing for Getting Started VAG COM Port Test i Port Status OK J Interface Found Type Ross Tech HEX USB CAN Version 1 36 Status Ready K1 OK K2 OK CAN OK Lx The LED s button is useful for testing a port s outputs with the Interfaces that have LED s 47 Options Screen cont Debug Output Level A zero in this field the default means NO debug output will be generated whatsoever This should decrease VAG COM s susceptibility to interference by things like virus scanners except when logging data To generate Debug Output put a number in this field The number should of a reasonable size such as 100 Small numbers will generate very little information Debug should only be used if you are asked to do so by Ross Tech Left Margin Printing This is the number of spaces that printed pages are shifted to the right Window Size This function allows you to change the apparent size of the VAG COM window on your screen Adjust this in small increments since it is possible to make VAG COM so large that it is much bigger than your screen To see the resizing take effect do a Test and Save then close VAG COM When you restart the new window size should be shown Col
21. return to the Select Function Screen 23 Login Dialog cont The following warning appears in the upper right corner of the screen if a session is disconnected after you have done a Login You will need to exit the Controller and do another Login as VAG COM 01 Engine Open Controller X VAG COM 7 digit PIN SKC Dialog KE co Comm Status IC 1 TE 0 RE 0 Protocol KW1281 Controller Info VAG COM N Anan Contrallar VAG COM 01 Engine PIN SKC tg Comm Status G71M 1 Controller Info Init Address 01 Try 1 Warning VAG COM Login Lost due to Open Controller dropped session Component 19MATM10 HEX 161 2730 VAG Number OGA 906 032 E Soft Coding 10141 Shop WSC 00000 Extra Extra Basic Functions Advanced Functions These are Safe Refer to Service Manual Close Controller Go Back 06 The most common cause of this is the use of an incorrect login code or a 7 digit PIN SKC based on an incorrect Immobilizer ID or incorrect data entered in the 7 digit dialog 24 VAG Number OBA 9M 7 Digit PIN Day Month Year Sot Coding 1 3618942 6 April s 2005 Extra WSC Importer Extra 19446 444 Most Controllerd OK Cancel is entered you v trying again Refer to Service Manual for a valid Login Code Enter Login Code 0 65535 00000 or Use 7 digit PIN SKC The 7 digit PIN SKC Secret Key Code dialog is used for Key Matching and
22. sure you want to proceed uss For example in the VW Touareg a specific procedure must be performed to be able to start the vehicle if Output Tests on the Airbag Controller have been performed Use Done Go Back to return to the Open Controller screen 30 VAG COM Recode or Long Coding VAG 1551 1552 function 07 KE cow IC TE 0 RE 0 VAG COM Protocol KW1281 Open Controller Controller Info VAG Number OBA 906 032 F Component 19MATM10 HEX 161 2730 Sot Coding 10141 Shop WSC 00000 Extra Extra VAG COM 01 Engine Recode Module X Please write down the original values before attempting to change anything Incorrect Coding can make a Control Module non functional Software Coding 0 32767 10140 WorkShop Code 0 99999 00000 Importer Number 0 999 Recode is used to set various options in a Control Module Warning You should refer to the Factory Repair Manual for your particular car or some other documented procedure before attempting to Recode a Control Module At the very least write down the original values There is no other way to undo or restore the original values if what you re trying to do doesn t work out Note Some Modules require a valid Login before you can re code them A feature unique to VAG COM You can leave the Work Shop Code unchanged or enter any workshop code you desire Certain other programs always leave a tell tale WSC when you r
23. the car s battery e Pulling the fuse for the radio Note Some radios will require you to enter the security code using the radio s front panel after loosing power See the your owner s manual for the radio for instructions It appears that there is something not quite up to snuff in the Symphony s ability to drive the K line We ve had some reports that they work better with non optically isolated interfaces and they may work better with the engine running which means there is a higher voltage on the VBatt lines in the car 52 Appendix A Problems Issues cont 1994 1997 Audi C4 A6 S6 Instrument Clusters These have a high bit error rate We suspect they use a software UART and stretch bits sometimes The error detection correction logic built into VAG COM s low level protocol drivers as of version 0 70 seems to take care of this in a majority of cases but still had few reports of customers not being able to communicate with these clusters In version 0 75 or or newer please ensure that Char Int on the Options Screen is set to approximately 3 which is the default On some PC s it may be necessary to adjust this value to something other than 3 On very fast PC s try a higher value On very slow PC s try something less 1996 1997 Audi A6 2 8L 12V V6 Engine There is a bug in the Hitachi ECU that does not allow reliable monitoring or logging of multiple measuring groups For these vehicles we recommend only viewing
24. 01 02 03 05 06 08 09 11 15 16 17 18 19 1C 22 29 34 36 37 39 AUTOSCAN TXT file 45 46 47 55 56 65 68 GE 77 Select Chassis Type 7L VW Touareg lv 7L VW Touareg VW Lupo 3L VW Lupo VW Polo VW Polo VW Beetle Audi 80 B4 Audi A4 BS Audi A4 B6 Audi A3 S3 Audi TT Audi A3 S3 Audi A2 Audi 100 200 V8 C3 Audi 100 A6 C4 Audi A6 C5 lv There is a file in the VAG COM directory called AUTOSCAN TXT which contains all of the vehicle profiles You may edit this with a Text editor like Notepad to create a custom profile for your vehicle To help you figure out which controllers are in your car you can run the Control Module Finder see the Table of Contents for the page listing 38 Auto Scan cont VAG COM Auto Sean Note Chassis Types canbe Chassis Type 7L VW Touareg ia modified by editing the Scan 01 02 03 05 06 08 09 11 15 16 17 18 19 1C 22 29 34 36 37 39 AUTOSCAN TXT file 45 46 47 55 56 65 68 GE 77 Select Chassis Type Address 01 Engine Controller 400 907 560 DA Component 4 2L V8 5V G 0010 Include Airbags Coding 0007875 Shop WSC 31414 Stop 1 Fault Found 17978 Engine Start Blocked by Immobilizer Gateway installation list P1570 008 Implausible Signal Intermittent Readiness 0000 0000 Clear all DTCs Address 02 Auto Trans nenennennnnnnnnenenenenenenneneneeeeeenemee Result Controller 09D 927 750 N SAUER Component AL 600 6Q 0382 Coding
25. Assist Status OK 0000 09 Cent Elect Status Malfunction 0010 Include Airbags 46 Central Conv Status Malfunction 0010 42 Door Elect Driver Status Malfunction 0010 Stop 52 Door Elect Pass Status Malfunction 0010 62 Door Rear Left Status Malfunction 0010 Gateway installation list 72 Door Rear Right Status Malfunction 0010 16 Steering wheel Status Malfunction 0010 08 Auto HVAC Status OK 0000 Clear all DTCs 7D Aux Heat Status OK 0000 Results 56 Radio Status Malfunction 0010 17 Instruments Status OK 0000 Print 25 Immobilizer Status OK 0000 19 CAN Gateway Status OK 0000 Close Erase All DTC s On vehicles using CAN Bus for diagnostics VAG COM clears all of the fault codes in all control modules in the car without accessing all the control modules individually 46 VAG COM Options Screen HS VAG COM Program Options VAG COM Program Options Select COM Port Other 00256 Color Ocom1 Ocom2 Debug Output Level 0 Hein Ocom OCOoM4 Lett Printing Margin 4 old PCs Window size 0 4 Protocol Options Start Baud KW2 Delay TST Addr Reduce CPU Usage WorkShop Code 30 1 i KWP 1281 00000 CJ KWP 2000 Blk Int Char Int KP2 Time VZ lmporter 5 j 25 Z Force K on Engine poo Shop Name C Bypass OBD II Fastinit Restore Defaults On this screen you can set a number of Options and must be used the first time you use VAG COM
26. D related DTC s MIL OFF 0 Comprehensive Components Failed or Incomplete Fuel System Failed or Incomplete Exhaust Gas Recirculation Failed or Incomplete Note This function is only available on Engine Controllers that are OBD II compliant all 1996 and newer US Model gasoline engines Non US models and TDI s may not support this function even though they are otherwise OBD II compliant OBD did not require any monitors 12V 2 8L V6 engines may have readiness bits stored in or near Measuring Block Group 029 21 x VAG COM Advanced ID Screen VAS 5051 5052 Identification Services VAG Com 01 Engine Advanced Identification Advanced Identification Misc Serial number VWZ7Z0C8338134 Revision 12345678 P0101 Manufacturer number 0281 Identification BPG 810 ee 0281011761 Test stand number 1884 Date 28 11 03 Lot N A number Flash Status Type lock N A Programming 0 Programming 00000000 attempts status Successful 0 Required 00000010 attempts conditions Flash Date 00 00 00 Flash Tool o Code Car Info Chassis WVGZZZ1TZ4W063114 Engine N A Number Code Go Back Corresponds to VAS 5051 5051 Identification Services The Advanced ID function is only supported by control modules using the KWP 2000 and CAN Protocols Note The amount of data appearing on this screen will vary based on what the control module supports N A in red means that data isn t available from that module
27. Engine controllers using KWP 2000 there is a Turbo button in Measuring Blocks screen Pressing this button can significantly speed up sampling for example over 30 samples per second when logging a single group in our Touareg Once you have pressed Turbo you will remain in this High Speed mode until you exit the Measuring Blocks screen VAG COM 01 Engine Measuring Blocks Basic Settings X Sample Rate 289 VA G COM Label File 4D0 907 660 DALBL Measuring Blocks Group 101 680 min 20 3 3 28 ms 6 39 g s RPM Load Inj On Time Mass Flow VAG Scope is a plug in for VAG COM that allows you to graph Measuring Group Information See Appendix C for information on VAG Scope Use Done Go Back to return to the Open Controller screen Warning If you wish to observe real time data while driving the car use a second person who is not in front of an active airbag 16 VAG COM Data Logging You can log the data from the Measuring Blocks screen to a CSV file These files can be opened and analyzed with Excel or other spreadsheet applications Sample Rate 8 4 VAG COM Label File 4D0 907 560 DA LBL Measuring Blocks Group Engine Conditions 1880 min 18 0 C 0 0 0 0 Idle Speed Coolant Temp 02 Sens Bank1 02 Sens Bank2 RPN 80 105C 10 2 fict 10 gt 2 fict Group Load Measurement specified values for idle 1840 min 21 1 3 89 g s 9 78 g s Engine speed Engine load Injection time Mass air fl
28. Files also allow a third label field to be defined for each of the normal measuring block fields This label is displayed in a balloon when the user clicks on the field The idea is to put specified values in this field VAG COM 01 Engine Measuring Blocks Basic Settings X Sample Rate 22 VA G i Label File 028 906 021 LBL Measuring i isao 800 1100 mg h Group EGR l 003 0 min 847 9 mg str 425 6 mg str 4 7 Dn Engine speed MAF specified MAF actual EGR duty cycle 870 950 rpm 230 370 mg H 230 370 mg H 40 75 15 Measuring Blocks cont Sample Rate We can get just over 4 0 samples per second from our 97 VR6 ECU single group with the most aggressive protocol timing settings This ECU runs at 9600 baud Most newer ECU s run at 10400 and should give proportionately more Naturally if two groups are being displayed simultaneously the sample rate drops to around 2 0 and 3 groups simultaneously runs at around 1 3 Sample Rate will vary from controller to controller and the PC used will also have some effect Some controllers particularly AG4 transmissions and Digifant Ill ECU s use a hybrid data type that requires reading a long header when changing group numbers Viewing multiple groups still works with these data types but the sample rate becomes extremely slow If you see Reading Header all the time under the Sample Rate display you ll know you ve got one of these In
29. G D60 VAG COM 01 Engine Adaptation x EGR Exhaust Gas Recirculation 0 In i EGR Modifioation il 425 6 mg str N A Engine g MAF actual EGR duty cycle To reduce EGR to a minimum f 230 370 mg H 40 75 for off road use only set this channel to 33708 I Cha Stored Value 32132 To restore EGR to stock set this channel to 32708 Test Test Value Done Go Back Click Done Go Back to return to the Open Controller Function Screen 35 VAG COM Security Access Screen VAG 1551 2 Function 16 KWP 2000 only we cow Comm Status Ic 1 TE 0 RE 0 VAG COM Protocol KWP2089 Open Controller Controller Info VAG Number 03G 906 016 BT Component R4 1 9L EDC GOOOSG 5644 Soft Coding 0000072 Shop Imp 124 WSC 45241 Extra Extra Geraet 63128 VAG Com 01 Engine Security Access Most Controllers only allow one access attempt If an incorrect access key is entered you will have to leave the ignition ON for at least ten minutes before trying again Refer to Service Manual for a valid access key Enter security access key 0 99999 1234567 or Use 7 digit PIN SKC The Security Access Function must be used on some but not all KWP 2000 Control Modules before you can Recode or change Adaptation values On others it enables certain features like cruise control Valid Login codes can be found in the Factory Repair Manual for your car 36 Security Access cont
30. Module provides no Data Type information with the data for these Groups of this type can only be displayed in the top row of the screen VAG COM also tries to elaborate as much as possible what the data means Unfortunately the Data Type information coming from the Control Module is not that precise For example VAG COM can tell that a particular field contains a Temperature but the data from the Controller doesn t tell us whether this is the Coolant Temperature or the Intake Air Temperature To reduce the confusion VAG COM supports Label Files and will display the name of the Label File on the top left corner of the screen When a Label file for the Control Module you are looking at does not exist VAG COM will come up with an educated guess for what a particular Data Type means The dealers VAG 1551 and 1552 scan tools do not provide any elaboration they only show what s in the display fields Group 000 supports special Labels Due to space constraints on the screen these labels are displayed in a balloon when the user clicks on a field VAG COM 01 Engine Measuring Blocks Basic Settings X Sample Rate 28 VA G COM Label File 028 906 021 LBL Measuring Blocks i Air Mass EGR on Idle 89 111 230 370 ma H Full load 268 800 1100 mg H Group Measuring block 000 data at idle full load Click on fields for details 000 000 000 000 000 115 119 226 168 045 128 1 2 3 4 5 6 7 8 9 10 Label
31. Our interfaces do not support the SAE J1850 VPW and J1850 PWM protocols used by most US market GM and Ford products so this cannot work on those cars Most early 1996 2000 OBD II compatible Chrysler cars used ISO 9141 2 Many newer Chrysler cars use SAE J1850 and are incompatible Most European and Asian cars use ISO and should be compatible In US models Generic OBD II compatiblilty was required as of model year 1996 In Canada 1998 In the European Market 2001 gasoline powered and 2004 diesel powered Please see the FAQ in Appendix B What s the difference between VAG COM and an OBD II Scan Tool To return to the Main Screen click Done Go Back OBD II cont VAG Scope is able to graph generic OBD 2 Mode 1 data me VAG Scope Live Data n 708 min 1 6 P012 P Jog Vertical scale ca 6 5 Degree i 0 iv Max pooo Pos Po B Poi A LEl Min o QO oO m r Horizontal scale 0O 0 E F Pixeisnit 3 44 VAG COM Applications KE cow VAG COM 7770 Codes Loaded Release 504 1 UD VAG Com Applications X Transport Mode Check for and erase faults CAN based cars only CAN based cars only Activate De activate Gateway Transport Mode Transport Mode Installation List Erase all DTCs Done Go Back Transport Mode On vehicles using CAN for diagnostics there is a special Transport Mode that is used by the factory to put the cars into a sle
32. Protocol KWP2000 Results Controller 7L0 907 379 B Component ESP ALLRAD MK25 0106 copy l Print Coding 0014593 Shop WSC 31414 Save Clear Address 15 Airbags Protocol KW1281 Close Controller 6Q0 909 605 Component 08 AIRBAG VW5 0006 a This function cycles through each possible address in the vehicle finding each controller and reporting its Address Protocol Controller VAG Number Component Number Soft Coding and Work Shop Code Note No one car has all Modules Newer cars have more older cars have fewer If you check Use CAN Only then the Module Finder will not check for any modules on the K line Start begins the finder Beware a full scan can take 45 minutes or more Of course you can scan selected address ranges Stop stops the finder Results Copy If you close the Auto Scan dialog any data in its output box will be lost If you would like to keep a record click the Copy button first then you can then paste the results into the application of your choice such as MS Word or Notepad Print This function sends the results to your printer Save This function saves the results to a text file in our VAG COM Logs directory Clear This erases your results To return to the Main Screen click Close 42 VAG COM OBD II VAG 1551 1552 Address Word 33 VAG Com Generic OBD2 Protocol 1S014230 Convert manufacturer specific Running co
33. Unfortunately the Data Type information coming from the Control Module is not that precise For example VAG COM can tell that a particular field contains a Temperature but the data from the Controller doesn t tell us whether this is the Coolant Temperature or the Intake Air Temperature To reduce the confusion VAG COM supports Label Files and which provide more information about the data being displayed in Measuring Blocks and can also provide additional information for the Coding function and Adaptation Channels When a Label file for the Control Module you are looking at does not exist VAG COM will base the elaboration is based on an educated guess what a particular Data Type means 61 Appendix B VAG COM FAQ cont 4 8 How can speed up my sample rate in VAG COM The sample rate at which you can view and log data is largely determined by each controller in the car There are a few things you can do to speed up the rate for a given controller First logging one group at a time rather than two or three will help greatly In order to get the highest sample rate possible go to the Options screen and set Blk Int to 25 and Char Int to 0 Note however that this may cause unreliable communications with some controllers The KP2 Time parameter only applies to controllers using the KWP 2000 protocol Decreasing it speeds up the sample rate in Measuring Blocks on control modules that use the KWP 2000 protocols Try setting it t
34. _ Results Address 25 Immobilizer Controller 1K0 920 870 F Print Component IMMO 1520 Coding 0000000 Shop WSC 00000 cise 1 Faut Found 01176 Key 004 No Signal Communication Close Arid i v Results 01336 WARNING DTCs for all Control Modules should be erased only once the proper repairs have been carried out Itis advised you save print the DTCs before clearing them Copy If you close the Auto Scan dialog any data in its output box will be lost If you would like to keep a record click the Copy button first then you can then paste the results into the application of your choice such as MS Word or Notepad Print This function sends the results to your printer Save This function saves the results to a text file in our VAG COM Logs directory Clear This erases your results It does not clear any fault codes from any Controllers To return to the Main Screen click Close 41 VAG COM Control Module Finder VAG COM Control Module Finder Note Address 01 Engine fr A complete scan of all Protocol KWP2000 possible addresses 01 7F Controller 4D0 907 560 DA can take a LONG time Component 4 2L V8 5V G 0010 Coding 0007875 Starting Address 01 Shop WSC 31414 Ending Address TF Address 02 Auto Trans Include Airbags 7 oe OAT i ontroller 7 Use CAN Only C Component AL 600 6Q 0382 Coding 0004153 Stop Address 03 ABS Brakes
35. aim any liability for damage to your computer or your car and we do not promise to have any particular enhancements available on any specific date Copyright 2005 by Ross Tech LLC 1 VAG COM Table of Contents Getting Started Main Screen 3 7 Select Control Module 9 Open Controller Function Screen 10 11 Fault Codes 12 13 Measuring Blocks 14 16 Data Logging 17 18 Single Reading 2 20 21 12 47 50 Appendix A Problems amp Issues 52 53 Appendix B FAQ Frequently Asked Questions 54 63 VAG COM Getting Started Thank you for purchasing VAG COM This package allows you to turn a Windows based PC into a sophisticated diagnostic tool for VW Audi SEAT Skoda models from 1990 2006 Go to our website www ross tech com to download the latest version of VAG COM Click on Download VAG COM Software A Connect the Serial end of your Serial Interface or the USB end of your USB Interface to the correct port on your PC If your PC is further from the vehicle than 6 feet use a Serial Extension Cable between the PC and the Interface USB is not extendable If you are using a Serial Interface you can skip to page 6 of this manual If you are using the USB oT Rel moneda Interface this message should pop up gt Ross Tech HEX US8 Getting Started cont i Found New Hardware Wizard Welcome to the Found New Hardware Wizard Tha wizard helps y
36. amount of time and expense into reverse engineering the VAG protocols and we re trying to make a living with this product Further more we re trying to sell it at a price that makes it affordable to everyone The activation scheme is intended to ensure that we get paid by every user not to make life difficult for registered customers 3 6 What if need to run VAG COM on more than one PC All of our current Interfaces have Activation built in so you can download and install VAG COM onto as many PC s as you d like so VAG COM is fully Registered and Activated once you test it on a car 3 7 How do permanently move VAG COM from one PC to another All of our current Interfaces have Activation built in so you can download and install VAG COM onto as many PC s as you d like so VAG COM is fully Registered and Activated once you test it on a car 3 8 What s the De Activate button for Why would I want to do that All of our Current Interfaces have Activation built in so there is neither a need nor a choice to De Activate 3 9 Why has VAG COM become De Activated on its own All of our Current Interfaces have Activation built in so VAG COM should always be Fully Activated once it has been tested on a car If you have a Current Interface and VAG COM has become De Activated please contact us 3 10 Can sell my VAG COM System to someone else You can sell the hardware but the software license and support are not transferable All of our Cu
37. ans to develop software for any other makes of cars but of course all plans are subject to change If you d like to add generic OBD II functionality for Chrysler Imports to your existing Serial Interface see our OBD II page for information about 3rd party software We do not know of any other makers of similar software for other makes of vehicles Our latest Version of VAG COM adds Generic OBD II functionality see the OBD II Page for more info 4 12 Can use VAG COM to retrieve my Radio Code to get it out of SAFE mode No You ll need to get the radio code from your dealer it should also be on a card that came with your car Most likely the dealer will need to physically remove the radio to read its chassis number then the chassis number is input into a database at the dealership to retrieve the radio code Neither VAG COM nor the factory scan tools can retrieve the radio code for you 4 13 Does VAG COM work with cars that require direct CAN access for diagnostics Yes We have integrated CAN compatibility into the latest version of VAG COM but since CAN uses different hardware new interfaces are required These are now available as well The new HEX COM CAN and HEX USB CAN interfaces are fully compatible with the new latest cars which require a direct CAN connection 62 Appendix B VAG COM FAQ cont 4 14 Can use VAG COM to make my windows roll up and down using my keyfob remote Many Audi vehicles can be recoded to allow t
38. anual in the instructions for using a VAG 1551 or other factory diagnostic tool Direct Entry You can also enter any address manually Simply put in the address and click Gol To return to the Main Screen click Go Back Note Your car will not have all the Control Modules listed in VAG COM only the ones on the Applications Page for your car See our Website for more info www Ross Tech com vag com cars applications VAG COM Open Controller Screen ts VAG COM 01 Engine Open Controller Comm Status Ic 1 TE 0 RE 0 VAG COM Protocol KWP2089 Open Controller Controller Info VAG Number OGA 906 032 E Component 19MATM10 HEX 161 2730 Soft Coding 10141 Shop WSC 06173 Extra Extra Basic Functions Advanced Functions These are Safe Refer to Service Manual Eault Codes 02 Readiness 15 Login 11 Recode 07 Meas Blocks 08 Advanced ID 1A Basic Settings 04 Adaptation 10 Single Reading 09 Qutput Tests 03 Security Access 16 Close Controller Go Back 06 This screen will appear when VAG COM is attempting to establish communications with any of the Control Modules shown on the Select Control Modules Screen Comm Status Shows the status of the current communications session Once communications have been established IC Shows the number of times the session has been initialized If IC increases beyond 1 communications are
39. ar My Documents Recycle Bin e F My Computer My Network Places VAG COM VagCom exe Getting Started cont From the Main Screen in VAG COM see the Table of Contents for page listing click the Options button to go into the Options screen see the Table of Contents for page listing VAG COM Port Test X i Port Status OK Interface Found Type Ross Tech HEX USB CAN lt 4 Select the correct port for your PC s Serial Port tana RER typically COM1 or COM2 or USB Port USB K1 OK y and click the Test button Ensure that VAG K2 OK COM finds your interface You should see a CAN OK message like this OK If the Adapter Status is not Found check the connections at the car and PC Make sure both are plugged in securely e Adapter Type should always list the name of the Interface as shown on its sticker e If K1 or K2 status are not OK you may have a short or an open circuit in the car s diagnostic port most likely caused by the Aftermarket Radio Problem as shown in the FAQ in Appendix B of this manual CAN status indicates whether or not the vehicle uses CAN Bus for diagnostics Once you have tested successfully click Save to apply this configuration you will be returned to the Main Screen Click on Select Control Modules to view the Select Control Module Screen see the Table of Contents for page listing Select one of your car s Control Modules such
40. ated VW Audi diagnostic tool which performs the functions of a factory VAG 1551 or VAG 1552 scan tool Please see the Function Chart in Appendix E for the current feature set 1 4 Q What are the computer requirements APC running Windows We recommend at least a Pentium 100 or AMD equivalent with 16MB of RAM and Windows 95 or newer VAG COM may work on some lesser PC s but anything less than the above recommendation is unsupported Windows 95 98 ME NT4 2000 and XP are all fine Available disk space should be a non issue VAG COM requires less than 10 MB If you are using a power supply for a laptop it should be one specifically designed for that purpose NOT a universal adapter To use one of our Serial Interfaces the PC must have an available RS 232 Serial port Otherwise you ll need to choose one of our USB Interfaces A RS 232 Serial Port looks like this Observe the port we surrounded with the GREEN oval Notice the 9 MALE pins That is a SERIAL port and WILL work Observe the port circled and crossed in RED Notice the 15 FEMALE pins That is a MONITOR port and will NOT work 1 5 What if my Laptop doesn t have a Serial Port Contact Ross Tech We offer our own USB Interfaces which use the USB port on your PC rather than the Serial Port USB lt gt RS232 converters are Not Supported 54 Appendix B VAG COM FAQ cont 1 6 What if the PC I wish to use with VAG COM doesn t have Internet access To
41. brand and model of PC and version of VAG COM 2 5 VAG COM communicates but it s flaky The diagnostic protocols require a degree of real time response from the diagnostic tool Certain other programs and services can prevent VAG COM from responding in the timely fashion that the protocols require Some control modules are fussier about this than others Fixes Make sure you are using the latest version of VAG COM If you have any other programs running close them If you have any of the following active on your computer turn them off Virus Scanners Task Scheduler Microsoft Active Synch Fast Find Some Novell Netware network drivers Canon Multipass multi function printer scanner software Power Management some laptops are notoriously difficult try running the laptop on AC power Other Tips Go through all the stuff in your System Tray OB AG HM mE 8 59AM Right Click on each little icon If there s a Disable or Exit option do it e Windows 2000 with SP1 Install IE 5 5 or SP2 e Windows 95 98 Me Pull up a task list by pressing CTRL ALT DEL Kill everything except Explorer and Systray 57 Appendix B VAG COM FAQ cont 2 5 VAG COM communicates but it s flaky Cont e All versions of Windows Start gt Run gt MSCONFIG Take a look at what other non essential stuff Windows is loading and disable it e STOP or remove PCMCIA Cards especially anything made by Xircom Some IBM bran
42. ch functions are supported by each control module and enables the buttons for supported functions only It is normal for some buttons to be grayed out on some control modules This is an indication that the control module in question doesn t support those functions Each of these functions is detailed on the following pages Advanced Functions These functions are capable of making various programming changes to the Control Module You should refer to the Factory Repair Manual for your particular car or to other documented procedures before playing with these functions It is completely possible to render your vehicle inoperable or damage components if you make changes in this section without the correct information and training Each of these functions is detailed on the following pages Use Close Controller Go Back 06 to properly close the communications session and return to the Select Control Module screen 11 VAG COM Fault Code Screen VAG 1551 1552 functions 02 and 05 u4 VAG COM 01 Engine Fault Codes Fault Codes Controller Info VAG Number OGA 906 032 E Component 19MATM10 HEX 161 2730 Fault Codes 8 Faults Found 16611 Throttle Pedal Position Sensor G79 Signal too Low P0227 000 18041 Accelerator Position Sensor 2 G185 Signal too Low P1633 000 16502 Engine Coolant Temp Sensor G62 Signal too High P0118 000 16497 Intake Air Temp Sensor G42
43. cope can be used to play back Log files produced by any version of VAG COM Using it to graph live data in real time requires VAG COM Release 303 1 or newer VAG Scope included in the latest VAG COM release on our Download page o Time Speed j Throttle Angle aa ax mm 1440 9 B 63 88 1440 min F 9 A Right click on the color box to open up a f v EnableMaxMarker gauge for that value v EnableMinMarker SelectNeedleColor SelectBackgroundCobr SelectFaceColor SelectTicksColor 65 Appendix C VAG Scope cont VAG Scope FAQ Q What are those numbers on the left of the graph A They are the scaling numbers They define the min and max values that will be graphed in the window For instance a temperature could be graphed between 10 and 130 C Q Great but I don t like the current ones A Don t worry everything is fully customizable You have two different ways of choosing your scaling factors In the preferences screen you can either modify the values for an existing units or add a new unit with its values Make sure the unit is spelled exactly including the case as it appears in the measuring blocks graphing data In the main screen click on a field or use the blue horizontal arrow to display its scaling values The field you re working on is surrounded by a frame You can then change the min and max scaling factors for this particular field Both setting
44. crosoft Excel 1 Choose datablock you want to view 2 Click LOG button 3 Use default file name if desired It will append the old file if you use a particular name more than once 4 Click DONE when you re finished logging data 5 Open Microsoft Excel 6 Click File gt Open change filetype to all 7 With mouse select the columns you want to graph 8 Click the Chart Wizard button 9 Select XY Scatter and click one of the formats that has lines 10 The chart wizard will prompt you to name axes if you want You can also use the VAG Scope plug in for VAG COM that allows you to replay LOG files See Appendix C for information on VAG Scope Warning If you re going to use VAG COM while you re driving please use a second person Let one drive while the other observes the data making sure the person holding the PC is not in front of an active airbag Obviously do not break any laws speeding or otherwise while using VAG COM 18 VAG COM Single Reading VAG 1551 1552 function 09 KE Cw 1021 TE20 RE 0 VAG COM Protocol KWP2089 Open Controller Controller Info VAG Number 03G 906 016 BT Component R4 1 9L EDC GOOOSG 5644 Soft Coding 0000072 Shop Imp 124 WSC 45241 Extra Extra Geraet 63128 VAG COM 01 Engine Single Reading X Chan Chan 008 183 021 Lup 255 Dn Done Go Back This function allows you to look at real time data from control modules that support it However th
45. d cards are also problematical e Try turning Off your COM Port s FIFO buffers Open the properties sheet for the COM Port in Device Manager Select the Port Settings tab Click the Advanced button Uncheck the use FIFO buffer checkbox e Some Windows installations especially ones that have had numerous program installed and uninstalled over the years may be hopeless Try installing a clean copy of Windows in a different folder than the original e If you have an older slower PC running Windows XP try setting the Display Properties gt Appearance to Windows Classic Style instead of Windows XP Style e If you are using a USB Interface go to Device Manager USB Root Hub Properties Power Managment and uncheck Allow Windows to turn off this device to save power If all else fails feel free to call or email us making sure to provide the brand and model of vehicle brand and model of PC and version of VAG COM 2 6 Why does my dash BEEP when I access my ABS controller In many of the newer models there will be a series of BEEPs from the dash when you access the ABS controller and the ABS light will be ON while you are talking to it This perfectly normal and is done to notify the driver that the ABS is non functional while in diagnostic mode 2 7 Are there any Fault Codes that can and should be ignored Yes Most 1995 and earlier Bosch ECU s will show you a DTC 00513 Engine Speed Sensor G28 if you scan them when the engine is n
46. des to VAG codes Freeze Frame Data for address 10 PID02 DTC that caused freeze frame data storage P0193 PIDO3 Fuel system 1 2 status Open loop conditions for closed loop not yet satisfied PID04 Calculated load value 100 0 PIDOS Engine coolant temperature 40 C PIDO6 Short Term Trim Bank 1 0 0 PIDO7 Long Term Trim Bank 1 0 0 PID11 Intake Manifold Absolute Pressure 101 kPa abs PID12 Engine RPM 0 min PID13 Vehicle speed 33 km h Mode 1 Mode 1 01 Mode 2 Mode 3 Mode 4 Read Data Readiness Freeze Frame Current DTCs Clear DTCs Mode 5 Mode 6 Mode 7 Done Go Back 02 Sensors Non cont tests Pending DTCs J Generic OBD II functionality Because many of VW s recent factory repair manuals no longer have traditional 01 Engine On Board Diagnostic information and have replaced it with Generic Scan Tool data this has become much more important than it was in the past For now we ll let the screens speak for themselves Click each of the Mode buttons to for each OBD II function Generic OBD II functionality is Supported only on VW Audi Seat and Skoda cars It will likely work on many other brands of cars We d be happy to receive feedback as to what other brands and models of cars it does and does not work on however we do not feel obligated to make it work on other manufacturer s cars Generic OBD II functionality is limited to cars using ISO 9141 2 CARB ISO 14230 KWP 2000 and ISO 15765 CAN protocols
47. e cannot guarantee that the coding which VAG COM may suggest will be correct but there should be no harm in trying it If it s not correct the control module should simply refuse to accept it and the coding will remain at 00000 KE Ow Comm Status VA G COM IC 1 TE 0 RE 0 Protocol KW1281 Open Controller Controller Info VAG Number Soft Coding Extra Component 19MATM10 HEX 161 2730 WSC 00000 O6A 906 032 E 10141 Shop Extra E D K Suggested coding 12342 VAG COM 01 Engine Recode Module Please write down the original values before attempting tq Incorrect Coding can make a Control Module no Software Coding 0 32767 10140 WorkShop Code 0 99999 00000 Importer Number 0 999 Recode cont Long Coding This function is needed to Recode some control modules especially Gateways in the newest cars which use CAN for diagnostics Due to the complexity of Long Coding strings up to 255 bytes of hexadecimal data we ve accommodated and urge the use of Copy amp Paste in this function me co Comm Status VA G COM IC 1 TE 0 RE 0 Protocol CAN Open Controller Controller Info VAG Number Soft Coding Long Coding WSC 00000 VAG COM 01 Engine Long Coding 1K0 907 530 C Component Gateway H08 0080 Shop Imp 000 Please write down the original values before attempting to change anything Incorrect Coding can make the whole car non functional Cu
48. e code a module The Importer Number is only relevant for recoding controllers that use KWP 2000 By default this will remain unchanged unless you have set up an Importer Number in the Options screen 31 Recode cont Up to 20 lines of coding chart data can be included in a Label File This data is shown in a balloon on the coding screen Was Vy MA r car VA Engine Open Touareg J519 Central Electric Coding xX 1 DRLs always ON 2 Driving Light for USA Canada Xenon Low Beams Off when High Beams are On 4 Interior Comfort Lighting Enabled 8 Rain amp Light Sensors Enabled 16 Coming Home Lights Enabled 32 Rear Fog Lamps Enabled HEX 161 2730 64 Front Fog Lamps Enabled 128 Xenon Lighting Instalied Enabled sC 00000 250 Marker Lights for USA Canada Enabled 512 Function Unknown 1024 Headlight Washers Enabled 2048 Electric Fuel Pump Relay Block Gasoline Engines Only 4096 Wake up function Enabled for Air Suspension 8192 Second Battery Enabled 32768 Low line Seat Heating Enabled No Memory Seats Only 68526 Electric Load Management Enabled 121072 Rear Fog Disabled when Off Roads Suspension Set Japan Only je anything Coding is the sum of the individual options Software Coding 0 32767 0105722 WorkShop Code 0 99999 00000 Importer Number 0 999 When coding new Airbag Modules in many VW models VAG COM can Suggest an appropriate Coding value Disclaimer W
49. e data stream coming from the control module gives NO CLUE what the data means or how to scale it into real world values The only way to know what the values mean is to find a reference to this function in the Factory Repair Manual for your car This function is rare but it is used for example with some OBD I 2 8L 12V V6 engines The very name of this function annoyed us so we added a twist You can look at two channels of Single Readings at once Use Done Go Back to return to the Open Controller screen 19 VAG COM View Readiness VAG 1551 1552 function 15 wie a Comm Status Ic 1 TE20 RE 0 VAG COM Protocol KWP2089 Open Controller Controller Info VAG Number 03G 906 016 BT Component R4 1 9L EDC GOO0SG 5644 VAG COM 01 Engine View Readiness X Readiness Status 0110 1101 Exhaust Gas Recirculation Seconday Air Injection Passed Failed or Incomplete Oxygen Sensor Heating Failed or Incomplete Evaporative Emissions Failed or Incomplete Oxygen Sensor s Catalyst Heating Failed or Incomplete Passed Air Conditioning Catalytic Converter s Passed Failed or Incomplete The Readiness Code is a set of 8 bits each of which corresponds to one monitored emissions system in an OBD II car When all readiness bits show pass it means that all systems have been checked and pass the on board tests Whenever you clear DTC s or remove power from the ECU all readiness bits will be se
50. e the Work Shop Code drop the first digit and use the remaining digits in order 401 742 Evergreen Terrace Volkswagen Inc Springfield USA So Evergreen Terrace Volkswagen has a WSC of 01742 This only applies to US VW dealers Canadian dealerships use a 4 digit number on their stamp To find the WSC place a 9 before their number The VZ Importer number is essentially a region code extension to the Work Shop Code should be 444 for US 999 for Canada The default value is 000 If you are an individual user or independent mechanic just leave the WorkShop Code set to 0000 and VZ Importer number set to 000 This allows VAG COM to operate in stealth mode keeping whatever WSC and Importer numbers that were already in the controller If you are using VAG COM at a Dealership enter your Dealer s Workshop Code and VZ Importer number VZ Importer number and Work Shop Code are not easily changed once set on this screen Contact us for advice if you need to do so Shop Name is displayed on reports such as the Fault Code Report 49 Options Screen cont Restore Defaults will reset all Protocol Options except WorkShop Code and VZ Importer number to their as delivered settings Save causes the current options to be stored You need to Save the first time you use VAG COM on a PC Apply lets you use and test the options without storing them Cancel takes you back to the Main Screen without any eff
51. ect 50 VAG COM About Screen us VAG COM About X VAG COM Copyright C 2000 2005 by Uwe M Ross All Rights Reserved All Wrongs Reversed Additional Contributor Eric Maurier License Info Contact the Author Serial Number Web www Ross Tech com qy4xjz mpqv3l ih49f53 kbiahh 5bpe E Mail maito S Rose T License Status Fax 1 215 893 3816 Fully Registered Activated Voice 1 215 361 8942 Postal Ross Tech 920 S Broad Street Lansdale PA 19446 USA Go Back License Info e The Serial Number will initially be Please test on car before registering until you have connected to a car and checked fault codes in a controller After you have done this you will have a Serial Number composed of letters and numbers License Status should always be Fully Registered Activated since all of our Current Interfaces have activation built in On this screen you will also find a Copyright Notice License info and Contact Information The Web and E Mail links open up your browser or mail program respectively and can be used if your PC is connected to the Internet To return to the Main Screen click Go Back 51 Appendix A VAG COM Problems amp Issues Possible Issues all versions e We have some reports indicating that VAG COM versions 211 1 and newer do not get along with the Zone Alarm firewall application If you are using Zone Alarm turn it off while using VAG COM
52. ed with the German Posicon software that many VW and Audi OTS s have access to will work The VAS 6103 cable that should now be in the workshop at every VW Audi dealership works with most control modules in most cars but won t work with some ECUs If you have some other adapter simply try it you can t hurt anything Of course if you have difficulties using VAG COM with that adapter you ll need to contact the hardware supplier for support Compatibility of future versions of VAG COM with 3rd party interfaces is not guaranteed 3 3 Can I buy an Interface adapter somewhere else Yes You may find vendors that are willing to sell compatible interface adapters without any software license We have no problem with that Once you re up and running you can register your VAG COM software with us for 99 but please don t expect start up support from us if you can t get it working We cannot provide support for 3rd party hardware We have reports that some 3rd party Interfaces do not work correctly with some controllers We will not provide either hardware or software support for you unless you are our customer If you buy someone else s interface and can t get it working contact your vendor for support Of course if you buy one of our complete hardware software kits we will provide start up support as well as free updates for at least one year from date of purchase Compatibility of future versions of VAG COM with 3rd party interfaces is not guaranteed
53. ep to conserve battery charge during long periods of inactivity These functions only work on Golf V based cars Activate Transport Mode Clicking this button will put applicable vehicles into Transport Mode shutting down most systems De activate Transport Mode Clicking this button will wake up applicable vehicles from Transport Mode powering up most system In the B7 Audi A4 Transport Mode works a little differently To take the car out of transport mode go into Select 17 Instruments Adaptation 10 Enter channel 99 Put in a new value of 0 Test Save 45 Applications cont Check for and erase faults Gateway Installation List Usually available only on Gateways in cars using a direct CAN connection for diagnostics like the new A8 and all Golf 5 chassis cars This very fast function takes about 3 seconds to query the car s Gateway to find out what modules are installed in the car and what their status is Any modules having fault codes should show a Malfunction Modules are directly accessible from this screen by double clicking on the appropriate line The following screen shot is from a Golf 5 in Europe VAG COM Auto Scan X Note Chassis Types can be Gateway installation list a modified by editing the AUTOSCAN TAT file 01 Engine Status Malfunction 0010 Select Chassis Type 03 ABS Brakes Status Malfunction 0010 15 Airbags Status Malfunction 0010 44 Steering
54. ge listing for OBD II 1 11 Can use VAG COM to roll back my electronic odometer A No A brand new instrument cluster with less than 100 km on it can be rolled forward one time only Of course this assumes that the instrument cluster is diagnostics capable Not all instrument clusters with electronic odometers are 55 Appendix B VAG COM FAQ cont 1 12 Can use VAG COM to Flash the chip in my ECU No we have investigated flashing but found that there are several different methods of encryption for various VW Audi vehicles as well as delicate licensing issues to overcome Therefore we do not intend to pursue flashing any further at this time You cannot alter boost timing fueling rev limiter or speed limiter with VAG COM You should contact a chiptuner if you wish to have those parameters altered 1 13 Is there anything else need to make full use of VAG COM Yes A good Factory Repair Manual containing the VAG Scan Tool procedures for your car VAG COM is a tool not an on line service manual We could not possibly document everything you can do with it in every year and model of VW Audi that VAG COM can be used with The most cost effective manuals with good Scan Tool procedures for US Canadian vehicles are the CD ROMs from Robert Bentley Publishers We offer these at a discount to registered VAG COM users Beware however that many of the paper Service Manuals published by Bentley do not contain Scan
55. his function see this example Unfortunately VW models do not have the same capability In order to make your windows roll up and down using your remote in a VW you ll need to add extra hardware such as the Remote Window Controller from Alientech http www alientech net 4 15 How do I obtain an SKC for Immobilizer and Key Matching functions We do not know of any way to retrieve an SKC for VW Audi SEAT Skoda vehicles other than getting it from an official dealership Prior to 2002 some vehicles were delivered with a 4 digit SKC on a scratch off panel on a plastic tag Starting in 2002 dealerships implemented the WIN2 system to provide 7 digit SKC s to their technicians and customers Recently many dealerships have switched to the new GEKO system whereby their factory scan tools dial up the factory while connected to a car Under this system the technician no longer sees the SKC at all VAG COM does not interact with the GEKO system 63 Appendix C VAG Scope Graphing Plug In for VAG COM 2200 0 min 18 0 BTDC i me VAG Scope 4D0907560DA LOG 01 002 005 010 CSV j 200 o s 200 a s nin Time Speed Vertical scale a oa x j o saj ax oe 2200 min a 68 4 i 32 36 g s T 31 69 g s a Max 5000 iz min 0 K 45 42 2200 min H 68 4 4 55 km h 0 M Jorizontal scale a g r o d L 2160min Fy 692 FR 22 18 37DC S 3 pushin 64 Appe
56. le with one exception If it finds the telltale WSC 30011 that VWTool VDS PRO likes to leave behind VAG COM will replace it with something more innocuous 58 Appendix B VAG COM FAQ cont 2 10 What s with the DEBUG files VAG COM uses these to record a lot of the data being exchanged between the car and your PC Having these can be very useful if there is some sort of unexpected problem communicating with a controller in your car By default the Debug Level is set to 0 If you re having a problem we may ask you to set the Debug level to something other than zero and to send us a specific Debug file The best way to send Debug files is to ZIP them first 3 1 Do I need an Interface Adapter Yes The ISO 9141 port in your car is not directly compatible with any standard PC port The ISO 9141 port in your car is somewhat RS 232 like but you can t just wire up a cable you must put electronics in between to allow a PC to communicate with the car 3 2 Can I use an Interface adapter that came with another software package Yes to a limited extent Any interface adapter that works with VWTool or VDS PRO should work with Release 311 2 or older versions of VAG COM In addition the ISO only interface adapter that Alex Peper ships with his Vehicle Explorer OBD II software package will work Alex s combination adapters will not work with VAG COM Most other OBD II adapters will not work Lastly the interface adapters suppli
57. nd adding features to the Windows version 11 Porting VAG COM to Windows CE PocketPC 9 Porting VAG COM to Palm 3 Porting VAG COM to LINUX 2 Porting VAG COM to Macintosh Some of our customers use VAG COM on a tablet PC such as a Fujitsu Stylistic or on an ultra portable PC such as a Toshiba Libretto These can be purchased inexpensively on auction sites These REAL PC s work wonderfully and have very small form factors the Libretto is about the size of a VHS video cassette 1 10 What s the difference between VAG COM and an OBD II Scan Tool OBD II is a government mandated diagnostic protocol that is primarily aimed at diagnosing emissions related problems An OBD II scan tool will work in many different brands of cars VAG COM uses VW s proprietary diagnostic protocol and will only work in VW Audi vehicles Although you can use an OBD II Scan Tool in an OBD II compliant 1996 or newer VW or Audi an OBD II Scan Tool can only talk to the engine not the numerous other intelligent systems in the car Want to reprogram your central locks or your Radio Diagnose a problem with your ABS Airbags or Automatic Transmission Re align your Immobilizer after swapping ECU s Reset your Service Reminder Indicators Communicate with a pre 1996 model not OBD II compliant car An OBD II Scan Tool can t do any of these things Our latest version of VAG COM adds Generic OBD II functionality for more information see the Table of Contents for the pa
58. ndix C VAG Scope cont Quick Instructions e You can use VAG Scope in one of two ways Allow VAG COM to launch VAG Scope by clicking the VAG Scope button on the Measuring Blocks screen or manually start VAG Scope in stand alone mode to play back VAG COM Log Files You cannot do both at the same time If VAG Scope is running in Stand alone mode VAG COM will not start If you manually start VAG Scope while VAG COM is running it will probably complain e Use the checkboxes next to each display field to select which items are graphed e Click on a field to select it for vertical scaling _VagScope will remember all scaling values for a particular control module by part number e Click the Ross Tech Icon for a menu item to access a Preferences Dialog Preferences X Colors Red Green Blue Color presets Background W 0 1 0 J 0 J v Grid C 255 g 255 9 1255 J v Line jm O 255 J 255 j jo J y Default scaling Misc Unit Min Max Tl Enable autorun o Show zeros in ee 0 6000 logfile impart only min values Show min max Save size Tj Mea Ca ea values with units on exit Fieli 1 10 44 New gt Plot thickness 3 Fuel Mileage and Consumption Save and Exit Mar mpg 60 Max L 100km 20 Moving average 1 Discard and Exit Preferences Here you can set colors for the graph lines the graph background and the grid e You can also set default scaling values based on the units that VAG COM sends NOTE VAG S
59. ntrol Module Finder OBD II Applications Options About Exit This closes the VAG COM program VAG COM Select Module Screen VAG COM Select Control Module VAG COM Select Control Module Common Drivetrain Chassis Comfort Conv Electronics 1 Electronics 2 01 Engine 02 Auto Trans 09 Cent Elect 15 Airbags 18 Aux Heat 19 CAN Gateway 35 Centr Locks 37 Navigation 55 Xenon Range 6 Radio 03 ABS Brakes 08 Auto HVAC 16 Steering wheel 17 Instruments 22 AWD 25 Immobilizer 45 Inter Monitor 46 Central Cony Wii Direct Entry Address Word 01 7F Go Back The various computers in the car are called Control Modules or Controllers On this screen you select which Control Module you want to talk to To establish communications with a particular Control Module simply click on the appropriate button For example click on the button for 01 Engine to connect to the engine controller VAG COM has buttons for all control module addresses currently supported by the VAS 5051 and VAS 5052 factory diagnostic tools Module Tabs Each tab on the top of this screen contains a number of different controllers grouped by category Common Drivetrain Chassis Comfort Conv Electronics1 and Electronics2 Each possible controller is listed as a number and a description i e 01 Engine The number corresponds to the controller number that you d find in your Factory Repair M
60. o 0 If any of these adjustments cause unreliable communications change them back closer to the defaults If in doubt use the Restore Defaults button In Engine controllers using KWP 2000 there is a Turbo button in the latest version of VAG COM This can significantly speed up sampling in some cases to over 30 samples per second See the Measuring Blocks page for more information 4 9 What kinds of cool stuff can do with VAG COM See our Car Info amp Procedures Page where you can look up Vehicle Specific Application Charts for your car to see which control modules exist and can communicate with VAG COM Additionally there are some very useful links to pages about Key Matching Immobilizers as well as some excellent spreadsheets submitted by our customers http www ross tech com vag com cars index html 4 10 How do I set up my USB Interface To use one of our USB Interfaces you ll need to download and install the latest version VAG COM with USB Support After you have installed VAG COM you will need to follow the instructions on the USB driver installation page 4 11 Does Ross Tech make diagnostic software for other makes of cars Currently we sell only VAG COM which works on VW Audi SEAT Skoda We are developing diagnostic software for BMW MINI vehicles but are in the very early development stages Specification functions pricing and release date information for the new product are not yet available We do not currently have pl
61. obtain the WSC delete the 4 and simply use the remaining five digits 01742 in the above example The Importer number should be 444 for all dealerships in the US 999 for all dealerships in Canada 995 for all dealerships in France Use the OK button to save the 7 digit information and return to the Login or Adaptation screen Use the Cancel button to return to the Login or Adaptation screen without saving 26 VAG COM Basic Settings VAG 1551 1552 function 04 VAG COM 01 Engine Measuring Blocks Basic Settings X Sample Rate 3 3 VA G COM Label File 06A 906 032 AWD LBL Basic Settings Group Ignition on but engine not running 060 69 2 20 9 0 ADP Run Throt Sens 1 Throt Sens 2 Adap Step Cnt Adapt Cond 8 60 60 94 0 8 ADP OK Group Group Switch To Meas Blocks Done Go Back VAG Scope Log This screen is presented when a Control Module is in Basic Settings Mode Basic Settings Mode is very similar to Measuring Blocks and the contents of each display group is the same The difference between the functions is that the Control Module may try to perform various calibrations while in Basic Settings mode Warning You should refer to the Factory Repair Manual for your particular car or some other documented procedure before playing with the Basic Settings function Failure to follow the proper procedures can result in serious damage to the vehicle Although you can use the U
62. ols Self explanatory messages will appear in place of data when this function is not supported Currently the only known ECU s that support this function are the Golf 5 platform cars VAG Com Freeze Frame Data for Fault Code 16502 0 min 220 0 Nm 0 0 km h 0 0 RPM Torque Speed Load 13 98 V 11001111 6 3 C 38 7 C Voltage Bin Bits Temperature Temperature Tour vuucs 8 Faults Found ja 16611 Throttle Pedal Position Sensor G79 Signal too Low P0227 000 18041 Accelerator Position Sensor 2 G185 Signal too Low P1633 000 16502 Engine Coolant Temp Sensor G62 Signal too High P0118 000 16497 Intake Ar Temp Sensor G42 Signal too High P0113 000 17848 EGR Valve N18 Open Circuit v Clear Codes 05 Freeze Frame Print Codes Copy Codes Save Codes Done Go Back Print Codes will print a Fault Code Report If your PC is not connected to a printer when this button is pressed be sure to use Windows to set the printer to Work Off Line first Later when you connect the PC to a printer un check Work Off Line to print the report Copy Codes will copy your fault codes to Windows Clipboard Once you have pressed the Copy Codes button you may paste the results into the application of your choice such as MS Word or Notepad Save Codes will save a plain text Fault Code Report to the VAG COM Logs directory of your PC Done Go Back takes you back to the main Cont
63. or Scheme This display mode changes the background color from blue to white and looks better on some older monitors The change will take effect after you close and restart VAG COM Protocol Options e Start Baud is the first baud rate that VAG COM will try when connecting to a controller The current default value is 0 This means VAG COM will determine the correct start baud on its own With the HEX Interfaces this field is unavailable KW2 Delay has to do with the amount of time used during the initialization of a session between the PC and the car The current default value is 30 Do not change this value from the default unless you are having difficulties communicating with a particular controller Contact us for advice if you are e TST Addr has to do with the packet addresses used by KWP 2000 The current default value is 1 Do not change this value from the default unless you are having difficulties communicating with a particular controller Contact us for advice if you are BIk Int affects the protocol timing The current default value is 55 To get the highest sample rate possible in the Measuring Blocks screen set this to 25 Note however that this may cause unreliable communications with some controllers Char Int also affects the protocol timing The current default value is 1 To get the highest sample rate possible in the Measuring Blocks screen set this to 0 Note however that this may cause unreliable comm
64. or logging one group ata time 2003 01J CVT Transmissions These have rather unusual timing requirements When used with a HEX COM or HEX USB increase Char Int on the Options Screen to approximately 4 or 5 53 Appendix B VAG COM Frequently Asked Questions FAQ 1 1 Will VAG COM work with my car VAG COM will work with most Volkswagen and Audi models sold World Wide 1994 through 2006 It will work with some cars all the way back to model year 1990 It will also work with most late model SEAT and Skoda models sold in markets other than North America If your VW or Audi has a 16 pin OBD II style Data Link Connector VAG COM will definitely work If your car has the old 2x2 Data Link Connection check if there is a wire going to each pin If there are four wires VAG COM should work If there are only three it won t Please see these Application Charts at www Ross Tech com vag com cars applications where you can select your model and see which modules can communicate with VAG COM Also see the Issues page for a few things that may not work as expected If in doubt e mail us 1 2 Q Will VAG COM work even if my car is chipped Yes If it doesn t work in a chipped car the chip vendor did something seriously wrong Chips from reputable vendors are fully VAG 1551 and VAG COM compliant 1 3 Q What functions are included in the current release VAG COM is a software program that turns your PC into sophistic
65. ot running This fault code goes away by itself once you start the engine If this sensor were truly defective the engine would not run at all Please ignore this code In addition many Automatic Transmission Control Modules will show a DTC 00526 or 17087 that indicates a faulty brake light switch This can also be ignored and will not appear if you press the brakes once before checking for Fault Codes 2 8 Are there any known Bugs Problems Issues Please check the Revision History Page and Issues Page 2 9 What s the Work Shop Code Every VW Audi dealer in the world is assigned a unique Work Shop Code A brand new factory VAG 1551 1552 or VAS 5051 5052 scan tool will not function until a WSC is entered and once it has been entered it cannot be changed Whenever a Control Module is Re Coded or certain Adaptations are performed the scan tool sends its WSC to the control module and the control module records it for posterity Thus if a scan tool is used to do something like disable certain airbags in principle it should be possible to tell who which dealer did that Like the factory scan tools VAG COM will accept a WSC once on the Options Screen If you enter a WSC there it will be sent to the control modules exactly like it s supposed to be If you leave the WSC on the Options Screen at it s default of 00000 VAG COM will operate in stealth mode Instead of sending a fixed WSC it will put back whatever was already in the control modu
66. ou hsiall software for lt Click on the Found New VAG COM Compatible USE Interfsce Hardware message and the Found New Hardware Wizard should start H your hardware came with an installation CD up If you are prompted with the OP ar floppy disc inamt it naw choice pick Not This Time when asked if you want to connect to the Internet to search for drivers Select Install from a list or specific location Advanced then click Next gt What do you want the wizard to do Click Nest to continue Please choose your search and installation options This dialog should appear gt Soaroh tor the beet anver in thee le Browse For Folder Jeg Select Search for the best Une the ohack bowes below to ime o R driver in these locations paths and removable meda Tre bee Select the folder that contains drivers for your hardware Check Include this location in C Search removable meda fop the search Use the Browse Z inolude thia oaton inthe senj G Desktop rme VAG CON E C My Cocurents button to find the VAG COM C Proaran Plea WAG CON My Computer A VETT a folder Usually C Program Cope omc ut chase ne EET Files VAG COM unless you Choose thia option to select the devie Program Files the driver you choose wil be the bast chose a different folder when you installed the software Click OK iv lt gt To view any subfolders chek a plus sign above ok cence
67. ow RPN 14 20 1 5ms 3 5 7 0g s Group Throttle Position Sensor Check 1800 min 11 83 g s 3 9 4 5 BTDC Engine speed Mass air flow Throttle angle Ign timing RPN g s 0 5deg closed Odeg Hae Logs LOG 01 001 002 003 CSV 0 While the Log Dialog is open Start Stop and Resume can all be done with the same button Start begins saving the data to a log file File Name 0 Stop Done Close Stop discontinues the saving of data to a log file File Name 0 Resume Done Close Resume continues the saving of data to a log file 17 Data Logging cont The Marker function places a sequential number in the file when you click the Marker button This can be helpful for data analysis The Browse button allows you to specify the location for your logs By default Log Files will be placed in the LOGS sub folder in your PC s VAG COM directory By default the name of the log file will be the controller number followed by the number for each group number that you are logging The name can be changed to anything you d like If you re use an existing filename your new data will be appended to that file Switch to Basic Settings is not currently available while logging but may be added later However you can start a log while you re in Basic Settings If VAG COM keeps insisting that it can t open a Log file you re probably missing the LOGS folder and should re install VAG COM Example using Mi
68. p and Dn buttons to scroll through the available groups just like on the Measuring Blocks screen this is probably not a good idea since you may put the Controller into Basic Settings for a Group that you did not intend You can also enter a Group number directly and click Go Switch to Meas Blocks will switch back to the passive and safe Measuring Blocks mode Notes Multiple Groups are not permitted in Basic Settings The data presented in each Basic Settings Group varies greatly from Control Module to Control Module and between different models and years Some groups are documented in the Factory Repair Manuals but many are not 27 Basic Settings cont VAG COM also tries to elaborate as much as possible what the data means Unfortunately the Data Type information coming from the Control Module is not that precise For example VAG COM can tell that a particular field contains a Temperature but the data from the Controller doesn t tell us whether this is the Coolant Temperature or the Intake Air Temperature To reduce the confusion VAG COM supports Label Files and will display the name of the Label File on the top left corner of the screen When a Label file for the Control Module you are looking at does not exist VAG COM will come up with an educated guess for what a particular Data Type means The dealers VAG 1551 and 1552 scan tools do not provide any elaboration they only show what s in the display
69. rol Module screen where you can select other functions 13 VAG COM Measuring Blocks VAG 1551 1552 function 08 VAG COM 01 Engine Measuring Blocks Basic Settings X Sample Rate 84 VA G COM Label File 4D0 907 560 DA LBL Measuring Blocks Group Engine Conditions 001 Up 1880 min 18 0 C 0 0 0 0 Idle Speed Coolant Temp 02 Sens Bank1 02 Sens Bank2 RPM 80 105C 10 gt 2 fict 10 2 fict Group Load Measurement specified values for idle 002 1840 min 21 1 3 89 g s 9 78 g s Engine speed Engine load Injection time Mass air flow RPM 14 20 1 5ms 3 5 7 0g s Group Throttle Position Sensor Check 003 1800 min 11 83 g s 3 9 4 5 BTDC Engine speed Mass air flow Throttle angle Ign timing RPM g s 0 5deg closed Odeg Refer to Service Manuall Done Go Back VAG Scope Log On this screen you can read all sorts of data from the Control Module in real time Use Up and Dn to scroll through the available groups 000 255 on most Control Modules Don t become discouraged when you find some that say ERROR Group xxx Not Available or if you find some groups where the fields are all blank Most 1996 and newer ECU s have Groups in the 200 range but there are often gaps in the numbers You can also type a Group number into the Group box and click Go You can Log the data from the measuring blocks For more information see the Table of Contents for the page listing for Data Logging
70. rrent Interfaces act as dongles for VAG COM so the software should be fully functional on any PC that meets our requirements However we only provide support to the original purchaser If you purchase a second hand dongle Interface and want to be a registered user and get technical support you ll still need to pay 99 to register 4 1 Why and How should I test VAG COM prior to Activating it All of our Current Interfaces that have built in Activation are fully Registered and Activated once you test them on a car With these Interfaces the license is built in you do not have to Activate VAG COM but obviously you ll want to test VAG COM when you get it to make sure everything works properly First Download and install VAG COM on your PC Find your vehicle on the Applications Page to see which control modules are in your car Connect your Interface to your car s Diagnostic Port and to your PC Turn the ignition ON turn the key so the Instrument Cluster lights up but do not start the car OR start the car Go into the Options screen select the correct port and click the TEST button Ensure that VAG COM finds your interface you should see a message that says Interface Found Now click SAVE Select one of your car s Control Modules note your car will not have all the Control Modules listed in VAG COM only the ones on your Applications Page After VAG COM has Connected check Fault Codes Repeat the process for each of your car s Control
71. rrent coding 0000000004F 100 New coding WorkShop Code 0 99999 Importer Number 0 999 Use the Do It button in Recode or the OK button in Long Coding to save the new Soft Coding to the controller and return to the Open Controller Function screen Use the Cancel button to return to the Open Controller Function screen without saving 33 VAG COM Adaptation VAG 1551 1552 function 10 Comm S 121 TE 0 RE 0 VAG COM Protocol KW1281 Open Controller Controller Info VAG Number 028 906 021 C Component 1 91 R4 EDC SG D60 VAG COM 04 Engine Adaptation x Injected quantity Increase to solve slowdown shudder problem 0 min 0 0 mg str 5 100 V N A Engine speed lQ Mod Piston Displ Coolant Temp 3 5 mg R 1 45 2 0 V 80 110 C Channel Number 01 ea Stored Value 132 Dn Up New Value 132 Cup _ Test Test Value onhe Done Go Back The Adaptation function allows you to alter certain values and or settings in control modules which support it Warning You should refer to the Factory Repair Manual for your particular car or some other documented procedure before playing with the Adaptation function However many available Adaptation Channels are totally undocumented You can use the Up and Dn buttons next to Channel Number to scroll through all 99 possible channels or you can manually enter a channel number and click Read If a channel
72. s are saved so that next time you won t have to do it all over again Q So what s the difference between these two different ways A First you need to understand how the values are stored retrieved When Vag Scope graphs data from a controller it doesn t know it applies the values in the preferences screen for the units that are defined If a unit is unknown the min will be 0 and the max will be 100 Setting the values in the main screen allows you to override these defaults For instance let s say you set the rpm min value in the preferences screen at 7000 This is fine for gasoline engines But a friend visits you with his TDI What you do is you set the min fields in the main screen at 4500 to keep a good resolution in your graph At that point as soon as you stop graphing the values are stored in the scaling directory in a file named by the controller part number And next time you connect to the same controller VAG Scope will automatically remember your settings Q What s the deal with the horizontal scaling A This enables you to tell VAG Scope the value of the horizontal shift in pixels each time a new sample is delivered by VAG COM This is customizable because of the range of sample rates you can experiment with VAG COM you can go from 30 samples per second on a 02 A4 3 0Q engine 1 measuring block at a time to 0 4 on a Eurovan transmission 3 measuring blocks The default is 3 but you may want to increase i
73. s tech com vag scope Feel free to improve write your own VAG Scope and publish it Obviously your file has to be called VagScope exe so that VAG COM can spawn it Q But I can t program all know is VB A Then stop complaining or learn 67 Appendix D TDI Timing Checker Plug In for VAG COM see TDIGraph 1 3d All 12 1994 gt J ng 80 CsHot p Result Fuel temp 102 Timing 53 Cloud Timing within spec but slightly advanced This plug in allows you to check the injection timing setting on a TDI engine This needs to be done after you changed the timing belt and every once in a while to keep tabs on belt stretch and pump pulley misalignment The standard procedure for this is to have the engine idling at operating temperature coolant temp gt 85 C go to measuring block 000 for the engine switch to basic settings and report fields 2 injection timing and 9 fuel temperature on a special graph This plug in reports the timing on the graph in real time so you don t need to have your manual sitting on your lap at the same time The application also gives you a comment in the result field that will tell you if all the conditions are fulfilled to check the timing some people don t realize you need to have the engine running for instance and if your timing is within specs or not The history of the last 100 samples is displayed as a cloud of points From the size and shape of this cloud yo
74. sive to VAG COM Yes Yes TDI Timing Checker Exclusive to VAG COM Yes Yes Module Finder Exclusive to VAG COM Yes Yes Dual K Line Support Yes Yes 7 Digit SKC PINs VAS only Yes Yes Code Database current through MY 2006 VAS Yes Yes Diagnostics via direct CAN connection VAS Not Used Yes Transport Mode VAS Only Not Used Yes KWP 1281 The original VAG Diagnostic Protocol Used on all diagnostic capable systems from 1990 through model year 2000 KWP 2000 The new VAG Diagnostic Protocol Used on a few 2001 ABS systems and many 2002 Engines Transmissions and Airbags 70 71
75. sults Close Gateway installation list 01 Engine Status Malfunction 0010 03 ABS Brakes Status Malfunction 0010 15 Airbags Status Malfunction 0010 44 Steering Assist Status OK 0000 09 Cent Elect Status Malfunction 0010 46 Central Conv Status Malfunction 0010 42 Door Elect Driver Status Malfunction 0010 2 Door Elect Pass Status Malfunction 0010 62 Door Rear Left Status Malfunction 0010 72 Door Rear Right Status Malfunction 0010 16 Steering wheel Status Malfunction 0010 08 Auto HVAC Status OK 0000 7D Aux Heat Status OK 0000 56 Radio Status Malfunction 0010 17 Instruments Status OK 0000 25 Immobilizer Status OK 0000 19 CAN Gateway Status OK 0000 40 Auto Scan cont Clear All DTC s This function is implemented in two ways On pre CAN Bus vehicles VAG COM will access each control module and clear DTCs from each one individually On vehicles using CAN Bus for diagnostics VAG COM performs this function without accessing all the control modules individually Note Chassis Types can be Controller 1K0 907 530 A 4 modified by editing the Component Gateway H06 0020 AUTOSCAN TXT file Coding 05000000070002 Select Chassis Type Shop WSC 12345 4 Faults Found gt 00778 Warning e Include Airbags Are you SURE you want to erase all DTCs Gateway installation list 01044 Clear al DTCs EE _ _ _
76. t if your sample rate is low This way your graphs will be more readable This value is also saved automatically for each control module Q Why do I have a big blank after I hit pause in live mode A This is intentional It shows the graph has been paused and avoids having a big discontinuity in the curves for instance going from 800 to 7500 rpm in 0 2 second The pause button Il can be handy to make screenshots of a particular situation like a boost spike for example 66 Appendix C VAG Scope cont VAG Scope FAQ cont Q VAG Scope says unexpected end of values What s wrong A At this time VAG Scope does not support appended log files More precisely it will only read the first part of them The solution is to give your files a more specific name than LOG 001 003 xxx xxx Q This is not an original VAG COM log file A Guess what you altered the file in some way For instance just reading and saving the file in excel adds comas to it and this is what VAG Scope relies on to parse the file Solution make a copy of the file before you edit it with a program that modifies the comas Q I d like to write my own VAG Scope Is this possible A Yes that s one of the reasons why VAG Scope is open source the other being we don t want to be bothered by 10 different feature requests a day VAG Scope was written using MS Visual C 6 and you will find the source code on our website www ros
77. t to fail Most cars do not have all 8 systems so as soon as you apply power again the bits corresponding to systems that are not actually in the car will come up Passed again The above screen shot was taken immediately after clearing the DTC s You can see that this car does not support monitors for the EGR Catalyst Heating or Air Conditioning because this specific car does not have EGR or Catalyst Heating It does have Air Conditioning but a monitor is only required if the system uses ozone depleting refrigerant R12 It takes a variety of specific driving conditions to test all the systems It can be done in a short time using a very specific and complicated procedure found in the On Board Diagnostic section of the Factory Repair Manual for your engine The alternative is just to drive the car for 2 3 days Make sure you include at least one short highway trip and your Readiness Bits should all read Pass again Use Go Back to return to the Open Controller screen 20 View Readiness cont VAG COM also Decodes Readiness bits into meaningful data on modern TDI engines a VAG COM exclusive not even the VAS 5051 5052 do this wie om Comm Status Ios TE20 RE 0 VAG COM Protocol KWP2089 Open Controller Controller Info VAG Number 03G 906 016 BT Component R4 1 9L EDC GOOOSG 5644 VAG COM 01 Engine View Readiness Readiness Status 00000000 01100110 10000000 10000000 MIL Status Number of EOB
78. u can see how much jumping around your engine is doing and your average timing is probably right in the middle of the cloud 68 Appendix D TDI Timing Checker cont Step by step e Start your engine e Start VAG COM e Press the Select button e Press the 01 Engine button e Press the Measuring blocks 08 button e Go to group 000 e Press the Switch to basic settings button e Now press the TDI Timing button Note The TDI Timing Checker works only as a plug in You must start it using the TDI Timing button in VAG COM Starting it any other way will result in error messages and it won t work 69 Appendix E VAG COM Function Chart Factory Diagnostic Tools VAG COM Release 504 1 VAG 1551 1552 or VAS 5051 5052 Function Number Name KWP 1281 KWP 2000 Auto Scan Yes Yes Notes Control Unit Info Yes Yes Read Fault Codes Yes Yes Output Tests Yes Yes Basic Settings Yes Yes Clear Fault Codes Yes Yes Close Controller Yes Yes Code Module Yes Yes Measuring Blocks Yes Yes Single Reading Yes Not Used Adaptation Yes Yes Login Yes Yes View Readiness Yes Yes Security Access Not Used Yes Generic OBD II Yes Yes Data Logging Exclusive to VAG COM Yes Yes HighSpeed Logging Exclusive to VAG COM No Yes Freeze Frame Data Not Used Yes Real Time Graphs Exclusive to VAG COM Yes Yes Real Time Gauges Exclu
79. unications with some controllers e The KP2 Time parameter only applies to controllers using the KWP 2000 protocol The current default value is 55 Decreasing it increases the sample rate in Measuring Blocks on control modules that use the KWP 2000 protocols The default value should be safe for all applications but if it s not you can always increase it again to a maximum of 99 48 Options Screen cont Using the Reduce CPU Usage checkboxes will greatly increase responsiveness of other apps running at the same time as VAG COM The disadvantage is somewhat reduced sample rate o KWP 1281 The default value is unchecked This reduces CPU usage when connected to controllers using KWP 1281 Using this feature may make the session with some control modules unreliable o KWP 2000 The default value is unchecked This reduces CPU usage when connected to controllers using KWP 2000 Force K on Engine is used on controllers that use the CAN Bus for diagnostics This box is checked by default since the K line often delivers faster sample rates while datalogging than does the CAN Bus Bypass OBD II Fastinit should only be checked if you are experiencing difficulty connecting to a vehicle using generic OBD II The Work Shop Code known as the WSC is found on the Admin screen of a dealer s VAS 5051 as well as on the dealer s stamp The default value is 00000 For example using the stamp below the dealer s number is 401 742 To deriv
80. update VAG COM you ll need to download and install the latest version from our website Because our updates are provided to you via our download page rather than on floppy disks or CD s you will need a way to transfer the Self Installing EXE file to the PC that you will be using with VAG COM The file fits easily on a floppy disk and can also be burned onto a CD R or CD RW Make sure that you do not run the EXE file until you have copied it onto the PC where you would like VAG COM to be installed You do not need to be connected to the Internet while using VAG COM 1 7 Can use VAG COM on a desk top computer Yes use the Serial DB9M to DB9YF extension cord included with your kit to extend up to 25 ft You can extend an additional 25 ft by purchasing a second Serial Extension Cable 1 8 Will there be a Mac or Linux version There will be no native Mac or Linux versions The time and effort required to port VAG COM to these platforms would never be worthwhile One person has gotten VAG COM running under Linux using WINE and another person has managed to get VAG COM working on a MAC with Virtual PC Neither of those examples are supported by Ross Tech 1 9 Will there be a Windows CE PocketPC WindowsMobile or Palm OS version Possibly at some point in the future but we don t have a timetable yet We conducted a poll of current and potential VAG COM users about where we should concentrate development efforts The results 75 Improving a
81. vated once you test on a car If you d like to be notified when a new version of VAG COM becomes available you should sign up for our Announcements List If you purchase a genuine Ross Tech Interface directly from us or from one of our Distributors you are entitled to free software updates for at least one year from date of purchase 4 5 What is the purpose of the OBD II button Why would I want to press it See the OBD II Page for more information You can use this test to determine whether a car is ISO OBD II compatible i e whether it speaks the OBD II protocols if the car uses the ISO 9141 hardware layer for OBD II This has nothing to do with the VAG protocol that VW uses and the results of this test have nothing to do with VAG COM working with any VW Audi SEAT Skoda vehicle No VW or Audi products prior to model year 1996 are OBD ll compliant Please note that most vehicles sold outside of the US are NOT OBD II compatible and even some US market TDI s are not OBD II compatible 4 6 How do print screens or data in VAG COM You can print reports from VAG COM s Fault Code Auto Scan Control Module Finder and Gateway Installation screens You can save data to a Log file and print using a spreadsheet program To print screens we highly recommend the HardCopy freeware program 4 7 What are Label Files In Measuring Blocks Basic Settings Adaptation or Recode VAG COM tries to elaborate as much as possible what the data means
82. way STOP hsialeton This dialog warns you that we haven t paid Microsoft a pound of flesh to certify the driver You re going to have to click the Continue Anyway button The following dialog should appear Found New Hardware Wizard Completing the Found New Hardware Wizard The waad has finished installing the software for VAG COM Compatible USB Interface Click Finish gt Click Finish to close the wizard Cih Note If for some reason you installed the USB Interface without following the above instructions and VAG COM does not work correctly go into your PC s Device Manager while the USB Interface is connected Find the VAG COM Compatible USB Interface and delete it Check under Other Devices Then unplug the USB Interface from your PC wait 5 seconds and plug it back in Proceed with the installation from the beginning of the Getting Started section Getting Started cont Connect the car end of your Interface to your vehicle s Diagnostic Port gt Turn the vehicle s ignition switch to the ON position Make sure the key is turned far enough that the dash lights are fully illuminated The engine may either be running or stopped Start the VAG COM program on your PC through either the Start Menu or the icon on your Desktop gt lt 4 If your vehicle has a 2x2 port some pre 1996 vehicles then use a 2x2 Adapter between the Interface and the ports in the c

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