OBD-2 TS Manual - Automotive Diagnostics and Publishing
Contents
1. Daan Te SECONDARY AIR INJECTION MONITOR SCREEN The secondary air system is a main stay in the OBD 2 arsenal of monitors and systems Seen mostly on the newer models the ECM will thoroughly check the operation of the SAI system and issue a faulty code if necessary This part of the program will guide you in testing this easily veri fiable system OBD 2 Troubleshooter Users Manual Catalyst Efficiency Monitor Twi PRADA z nveter O2 Sensor 4 ite male ats aF as ER SH re Ve wal Bef i er son After Conveter O2 Sensor il Bak CATALYST EFFI CIENCY MONITOR The catalyst efficiency monitor was instituted by CARB to test the viability of the catalytic converter By using two O2 sensors the ECM can thoroughly test the efficiency of the converter A problem with one of the O2 sensors could make the ECM issue a bogus converter code and make the repair a lot more expen sive than it would otherwise be Within this screen you ll get all the test procedures to guide in making a proper diagnosis of the converter system OBD 2 Troubleshooter Users Manual Oxygen Sensor Monitor Diagnostics Gray Wire O2 Ground Black Wire O2 Signal a g If the O2 sensor is found to be OK Perform a scanner PID analysis of the LTFT Long Term Fuel Trims and the STFT Short Term Fuel Trims and cli2. Manufacturers discretion Manufacturers discretion Manufacturers discretion SAF J2284 CAN Tow L Line of ISO 9141 2 amp ISO DIS 42304 Unswitched Vehicle Battery Positive NO COMMUNICATIONS SCREEN The NO COMMUNICATIONS screen gives you facts and guidance on testing vehicles that fail a State Inspection have a CEL on but you can t get data with your scanner or in instances where the vehicle doesn t start and you need the use of the scanner OBD 2 Troubleshooter Users Manual Ea The Different CEL Wiring Arrangements CEL Check Engine Light CEL ON WITH NO CODES FAULT SCREEN The CEL or Check Engine Light is On but with no codes This is becoming a very common faulty issue on OBD 2 systems Get the guidance you need to diagnose a CEL circuit What are the different circuit configurations Get detailed and targeted guid ance on all CEL related issues OBD 2 Troubleshooter Users Manual Erasing Codes Erasing Codes FF and Monitor Status Erasing the OBD 2 codes should always be the last step in the repair process By clearing codes you re also clearing the Freeze Frames and the Monitor Status This wealth of OBD 2 information is absolutely necessary when performing diagnostics on the different systems pertaining to a modern vehicle Once the codes are erased there re v j z en 7 Erasing Codes and Adaptive mee N A ee x Memory by Disconnecting the Connector x Battery Battery G OBD 2 PDF
3. Manual Z OBD 2TS Manual Mi m OBD2_Troubleshoote iw Erasing Codes Microsoft Image Com RESETTING CODES AND ADAPTIVE MEMORY FACTOR Memory and faulty code erasure is very important when it comes to OBD 2 repairs Not only is it necessary to erase the codes a simple affair but also resetting adaptive memory factors to let the ECM know that a repair has been made The trouble is that this procedure is different per manufacturer Get the procedures and guide on how to reset adaptive memory factors OBD 2 Troubleshooter Users Manual Runing the Drive Cycle start fm OBD 2 PDF Manual Z O8D 2TS Manual Mi OBD2_Troubleshoote im Runing the Drive Cyde Microsoft Image Com RUNNING THE DRIVE CYCLES Running the DRIVE CYCLE is the last part in the repair process Get all the drive cycles for almost all automobile makers on the market including Asian Euros and Domestic systems By run ning the DC correctly you ll get to finish your repair faster and cheaper OBD 2 Troubleshooter Users Manual Glossary uum Motor ord Systems GLOSSARY SCREEN This last part is a compendium of hundreds of automotive terms which may come in handy at one point or another
4. information on the fault if its value is skewed In other words what to do if the parameter is out of calibration Often times you see these Generic PIDs on the screen with little help from the manufacturer of scanner on what it means and how to use it This screen may lead you to the so lution of the problem without going any further But if not con tinue on to the other systems OBD 2 Troubleshooter Users Manual VOMmprenensive Medics Comprehensive Monitor checks for open or short circuits COMPREHENSIVE MONITOR SCREEN The comprehensive monitor screen gives you all you need to know about CM This monitor is in charge of testing most sen sors and actuators for electrical and electronic faults Although it runs instantaneously it is essential to the OBD 2 repair process OBD 2 Troubleshooter Users Manual Misfire Monitor Diagnostics Testing Automotive Sensors The HalHeffect CAM CRK sensor operates by interrupting a magnetic field pw v VSS or 12 6 inn ey MI SFI RE MONITOR SCREEN The misfire monitor gives you pointers facts and procedures re garding the setting of a CEL of a failed State Inspection due to a misfiring cylinder The software screen explains how to test for the different mis fires the importance of performing a CRK sensor relearn proce dure and what to do when presented with these faults This sec tion can also be used in combination with other Help options to get to the root cause
5. of a misfire OBD 2 Troubleshooter Users Manual Fuel Trim Monitor Diagnostics Start the engine let it warm up and check the Fuel Status PID LTFT and STFT at idle and 2500 RPM FUEL TRIM ANALYSIS The FUEL TRIM screen is also an interactive option that goes into the usage of this PID to diagnose A F Air Fuel fault conditions In here you ll be asked a series of questions The software then chooses a set of answers to be displayed on the lower part of the screen The answers given will guide you further in the diagnos tics process A F ratio problems account for close to 75 of all OBD 2 faults seen today The proper diagnosis usage and application of these practical procedures will make for a profitable and fast repair The help and guidance that you get here will give the extra push you need during the hardest repairs OBD 2 Troubleshooter Users Manual EGR Monitor Diagnostics There are 4 main types of EGR systems Following these guides to test each system EGR SYSTEM MONITOR EGR system monitor is based on the different types of EGR sys tems on the market and how to test them This is a factual screen of procedures directed at test EGR systems only Of you were directed to this screen from the technician s report here you ll get what you need to test all EGRs regardless of make and model OBD 2 Troubleshooter Users Manual Secondary Air Injection System Intake Manifold
6. the TECHNICIAN S REPORT Record Each MONITOR Status Bellow Continuous Monitors V Continuous Monitors TIP Even though the MONITORS are set to COMPLETE a code or fault may still be present TIP MONITORS are small computer testing programs that run inside the ECM s memory MONITOR STATUS SCREEN The Monitor Status screen lets you record all pertinent moni tors flags This data will be recorded in the technician s report and the software will generate a specific output depending on the choices made here The idea is to use all these clues Current and Pending codes FF Monitor Status Codes setting criteria etc to tackle the problem at hand Depending the answers given here you ll get a tailored report on where to concentrate and what systems to ignore OBD 2 Troubleshooter Users Manual PID Snap Shot Screen A snap shot is a signal picture of the conditions when the CODE was set Use it in conjunction with the code setting criteria By far fuel delivery problems account for as much as 60 of all CEL heck engine light en Modern OBD II generic and enhance ll as lat diagnostic systems offer extensive o tunities for fault detection These are the parameters that determine fuel delivery in order of priority Base injector pulse width as determined by the base fuel injection map El lant temperature sensor Engine RPM MAP speed density or MAF sensor TPS thrott
7. OBD 2 Troubleshooter CD ROM www autodiagnosticsandpublishing com User s Manual 0A EOR AVENA EAO OBD 2 Troubleshooter Users Manual INSTALLATION INSTRUCTIONS To install the software perform the following easy steps L 2 Double click on the OBD 2 Troubleshooter Installation Files folder Double click on the Setup icon This will start the installa tion program A Welcome to the OBD 2 Troubleshooter screen will start im mediately Click the OK button A screen with a BIG square installation button and icon ap pears Click on the big square button to prepare for the in stall Next a choose the program group screen will appear The setup will automatically install on the Programs files This is recommended so click the Continue button At this point in time the OBD 2 Troubleshooter program will begin the brief installation process Finally an installation complete screen appears and you re done Click the OK button To start the OBD 2 troubleshooter click start all programs and then the OBD 2 Troubleshooter should be seen Click on it To put an icon on the Desktop or the main windows screen click Start My Computer then click the C DRIVE or where the program was installed double click Program Files and then OBD2 Troubleshooter J ust copy and paste the icon to the pro gram on the Desktop Now every time
8. also ends with a printed re port section Two reports are configured and printed for you A TECHNICIAN S REPORT and a CUSTOMER S REPORT The techni cian s report will then tell you what to do in the next section of the software STEP 2 OBD 2 Troubleshooter Users Manual STEP 1 In Depth The first section is further sub divided into 6 steps This sec tion is geared towards gather ing information only In step 1 you get to record your current codes from a long drop down menu covering all of the Generic Codes In step 2 you do the same for pend ing codes Step 3 will let you browse each PID for Freeze Frames purposes Step 4 will let input the MANITOR STATUS This information is vary important during the sys tem diagnosis Step 5 provides information on different PIDs or parameters found on the scanner and how they apply to your repair Then step 6 gives you over 380 pages of codes setting criteria informa tion gathered from the latest OBD 2 sources Notice that code definitions are the same for all OBD 2 systems but NOT the code setting criteria The CSC in step 6 can be found for most vehicles manufactured today As you go through these steps the information is being recorded within the program s memory This information is then used to generate a TECHNICIAN S and a CUSTOMER S report later on When the Tech Report yellow button is pressed the software make a series of calculations and outputs a set o
9. blem OBD 2 Troubleshooter Users Manual TECHNICIAN S REPORT SCREEN On the Technician s Report page you simply get an overview of the data gathered for the report You also have the ability to paste the CSC on to a section for later analysis The technician s report screen will not give you all the data that you ll get when you actually press the Print Report button Once you print the report you then get a few directives to use on the next step OBD 2 Troubleshooter Users Manual Diagnostic TIPs j asy T nr ECT Sensor i 0 ect MAF Sensor MAP or B N Relay i P a W a E Transistor Hi DnyebyWire Test Light DIAGNOSTICS TIPS This page is full of technical tips and procedures The 13 buttons seen here will take you through different training screens giving you factual information These screens are not part of your vehi cle repair but are presented to give you more insight on differ ent aspects of automotive technology By clicking each button you get directed and focused information on sensors actuators transistors relays drive by wire systems equipment etc The bottom part of the screen also gives you information on freeze frames and how they relate to OBD 2 OBD 2 Troubleshooter Users Manual PID Ana AL Re creen Choose PID Here PID ANALYSIS SCREEN The PID analysis screen lets you choose from a list of PIDs and get targeted data on this PID plus
10. ck on the button that applies bellow Click on one of these two buttons to the left OXYGEN SENSOR MONITOR The Oxygen sensor monitor section is also an interactive screen that points you in the right direction when it comes to testing A F and O2 sensor faults Get guidance in testing for Lean and Rich conditions by pressing a few buttons Simple fast and reliable information OBD 2 Troubleshooter Users Manual Oxygen Sensor Heater Monitor Diagnostics Gray Wire O2 Ground Black Wire O2 Signal 12 6 V or Batt Voltage O2 HEATER RELAY OXYGEN SENSOR HEATER MONITOR The O2 Heater monitor is integral in OBD 2 repairs Often times the ECM controls both the O2 Heater and Heater A fault with this circuit will simply make the ECM shut down the system and turn OFF the O2 Heater completely This screen tell you what to do and why In most systems even if you replace the O2 sensor the Heater circuit will still be inop erative Get the procedures and guidance to test all heater cir cuits OBD 2 Troubleshooter Users Manual EVAP System Monitor LDP Filter Reed Switch LDP Vacuum Port Fuel Tank Pressure Sensor EVAP Testing EVAP Purge Valve To Intake Manifold EVAP Vent Valve ke Vent Valve Filter EVAP SYSTEM MONITOR EVAP systems are some of the most complicated systems to test Get the facts and test procedures here Used i
11. f printed brief instruction on what to do next This is where this software really shines A purple customer s report is also available OBD 2 Troubleshooter Users Manual STEP 2 In Depth After the technician s re port is generated from the previous step you simply apply the information to step 2 The report simply exposes the areas that need attention and those that don t By simply con centrating on the problem area s you save time and money Step 2 is also sub divided into the different systems or Monitors found on all OBD 2 vehicles These op tions go from PID analysis on what the scanner pa rameters mean and how to use them in fault de tection Comprehensive monitor Misfires Fuel Trims and what to do EGR systems Secondary air injection Converter testing O2 sen sor monitor and O2 Heater testing and finally EVAP monitor testing A further 3 more options are added which deal with What Fails the Most NO Communications problems with the diagnostics network and CEL ON with no codes faults These extra options give a bit of input on what could be wrong with your faulty vehi cle OBD 2 Troubleshooter Users Manual STEP 3 In Depth Most faults are resolved by the time you get to step 3 In here you get the different procedures to erase the faulty codes which is a simple matter of using the scanner but you also get the proce dures for adaptive mem ory clearing or resett
12. ing This procedure is many times overlooked with the end result of the vehicle coming back to you with the same code This sec tion tells you how to reset the vehicle back to the original memory factor matrix In essence you simply tell the ECM to start fresh after the repair is done In the event that Fault Fixed you get a code back you know that it isn t due to something you did and further testing is needed The final sub step 2 will tell you the procedure to run the DRIVE CYCLE according to the make of the vehicle in question Running the drive cycle has become a normal part of the repair process and the more information you have on it the faster you get to run it OBD 2 Troubleshooter Users Manual COMPANY AND ABOUT US The Company and Customer name button will let you input the name complete address and any further data that you might want to add to the customer s report This information will be printed on the customer report together will all the pertinent data acquired during the information gather ing phase An OBD 2 Glossary is also provided with hundreds of defini tions relating to OBD 2 nomenclature The About Us button is a quick reference to our website OBD 2 Troubleshooter Users Manual el Next Step La TECHNICI AN S CUSTOMER REPORT AND TI PS HELP Here in more detail you see the Technician s Report button which gives you a printed rep
13. le angle position O2 sensor IAT intake air temperature sensor me 4 5 6 Z PID SNAP SHOT The PID snap shot screen is where you can find plenty of infor mation if the meaning and use of the different PIDs on the Ge neric OBD 2 system Not all PIDs are used by one single maker So the understanding and usage PIDs is integral on OBD 2 diag nostics Within the PIDs screen you have 2 portals that deal with all the main and secondary PIDs found in OBD 2 OBD 2 Troubleshooter Users Manual CODE SETTING CRITERIA SCREEN The code setting criteria screen is one of the highlights of this program It holds hundreds of pages of text data pertaining to how each codes is set This is what s called the code setting cri teria and this criteria is different for each manufacturer Within this page you get all the Asian foreign makes and at the lower left you also see a LIGHT GREEN domestic screen which goes further into the CSC for all the domestic vehicles The code setting criteria is a must have in OBD 2 diagnostics Often times it holds the clue to getting to a diagnostic repair de termination When in this page you simply copy and paste the CSC on to the Technician s report which you ll get at the end of Step 1 By choosing copying and pasting all the CSC as well as the rest of the data gathered from all the sub steps you have at your disposal the information needed to get to the bottom of the pro
14. ort with instructions on what to do within step 2 The print Customer s report print a nice report to give to your customer if need be The Tips Help button opens a screen with a large array of op tions to help you with different issues from sensors testing to equipment usage More on this next OBD 2 Troubleshooter Users Manual CURRENT CODES SCREEN The Current codes screen let you choose you faulty codes from a large drop down list As soon as you input the codes the codes definition pops up and this data gets recorded within the soft ware memory for latter analysis and printing The Pending codes screen next on the list is similar to this screen but prints on the pending side of the report The data collected in this screen will then become part of the technician s report to be printed out OBD 2 Troubleshooter Users Manual FREEZE FRAMES SCREEN The FF screen provides you with important facts so far as each PID within the FF is concerned You get to pick the different PIDs found within the scan tool FF data list and determine what they mean This part of the program is somewhat related to the PID analysis found in step 2 Reading and using the FF is extremely important to the diagnos tics process Use this option in conjunction with the TIPs Help button to learn more about Freeze Frames OBD 2 Troubleshooter Users Manual Monitor Status Screen This information will be printed on
15. t in combination with other Help based section in this program to get to the bot tom of the root cause of the fault OBD 2 Troubleshooter Users Manual What Fails the Most OPTIONS SCROLL CTRL 2004 INFO Testing Automotive Sensors The Hall Effect CAMCRK sensor operates by _ HALL EFFECT CRK SENSOR inlerrupling a magnetic feki gt z en a eine Po Engine Misfire WN Ry vota 5 Yes a FILE PLAYBACK ES ide Press Here for Sec Ign Gu WHAT FAILS THE MOST SCREEN This screen goes deep into the two most prevalent OBD 2 faults misfires and Air Fuel Imbalance problems Get the facts proce dures and guidance you need The two sub sections explain and give the right procedures in this diagnostic area A further option takes you another screen which covers interpretation of Ignition waveforms and the dif ferent value points in test for misfires Use this screen as part of the Help system found throughout the entire software OBD 2 Troubleshooter Users Manual ommunication Diagnostics 2 No Communications Diagnostics SAE J1962 Connector 1 1213 415 16718 g ftoj f12 13 14 15 16 Pin Assignments Manufacturers discretion SAF 11850 Line Bus Manufacturers discretion Chassis Ground Signal Ground SAF 12284 CAN High K Line of ISO 9141 2 amp SO DIS 4230 4 Manufacturers discretion Manufacturers discretion SAE J1850 Line Bus
16. you need to open the OBD 2 Troubleshooter just double click on this desktop icon OBD 2 Troubleshooter Users Manual eT 7 fi OBD 2 Troubleshooting CD ROM A diagnostics software In this user s manual you ll learn the basic and more advanced principles of using this software product OBD 2 Troubleshooter on CD ROM is a full diagnostic computer program that guides you through the diagnostics process The software s diagnostics approach is that of a logical and sequential algorithm step by step procedure It follows the same basic format that the ECM does when running the monitors The first page is the start up page which is a simple introduction to the rest of the software itself You ll also see our website ad dress in case you need to get in touch with us OBD 2 Troubleshooter Users Manual Fault Fixed Company Cust Name About Us MAIN MENU The MAIN MENU page is the heart of the program From here you ll be able to access any section of the software As you can see the menu options are divided into 3 easy steps with sub steps within each one STEP 1 is the information gathering phase of the OBD 2 diag nosis Within this first step you ll be able to gather all the clues you ll ever need to continue on the diagnostics process Besides the 6 sub steps in this section you also get more than 400 pages of specification in text format to help you during the diag nostics process Finally the section
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