MODISTM COMPONENT TESTS USER`S MANUAL - Snap-on
Contents
1. es IV Table COMENS Gw V CONVENTIONS PE 1 BOIG a eee i AN 1 1 ai UU TUM 2 Note and Important Messages 2 ai Giwi kd 2 PROCCCINGS waka oda k a 2 R rd POWI 3 3 TR r Z A RO 7 LESS SCC CM 7 TOODA S 8 Malm a 11 ao O 11 Making SSIECUO S luis O cc Mia 11 Navigating Multi Window 5 12 Seine cic dne 15 Identifying the Test Vehicle 16 NEW aspe S 16 Previous 17 Selecting a COMmpOnent2. Data Buffer The Data Buffer Figure 3 5 is located just below the upper toolbar buttons and indicates how much test data is stored Figure 3 5 Sample Data Buffer 1 Pause button 2 Data Buffer 10 Navigation When the screen is frozen the position indicator displays the current frame number Figure 3 6 Figure 3 6 Sample Scroll Control with Position Indicator 1 Play button 2 Position Indicator The Data Buffer cannot be highlighted or selected P To manually scroll through stored frames 1 When the screen is frozen select REVIEW 2 Press the left 4 and right gt arrows Lower Toolbar The lower toolbar Figure 3 7 and Table 3 2 controls vary depending on the active mode and stage of operation Figure 3 7 Sample lower toolbar Table 3 2 Lower toolbar controls part 1 of 2 BUTTON DESCRIPTION Channel number Lets you select the channel to adjust Displays the current test conneciion for the Displays the current units of measurement Moves the selected channel zero 0 position up or down within the test area Changes the reference point on the Threshold waveform when calculating measurements Sets the amount of time displayed across Sweep the screen Making Selections Table 3 2 Lower toolbar controls part 2 of 2 BUTTON DESCR
3. MODIS COMPONENT TESTS USER S MANUAL DTOD LS Component Tests User s Manual February 2008 Trademarks Acknowledgements Snap on Scanner Fast Track and MODIS are trademarks of Snap on Incorporated All other marks are trademarks or registered trademarks of their respective holders Copyright Information 02008 Snap on Incorporated All rights reserved Disclaimer The information specifications and illustrations in this manual are based on the latest information available at the time of printing onap on reserves the right to make changes at any time without notice Visit our website at www snapon com solus North America snapondiag com Europe sun diagnostics com Europe For Technical Assistance CALL 1 800 424 7226 North America CALL 44 0 845 601 4736 United Kingdom E mail DiagnosticsUKproductsupport snapon com United Kingdom For technical assistance in all other markets contact your selling agent Safety Information For your own safety and the safety of others and to prevent damage to the equipment and vehicles upon which it is used it is important that the accompanying safety manual Diagnostic Safety Manual North America Safety Precautions book Europe be read and understood by all persons operating or coming into contact with the equipment We suggest you store a copy the book near the unit in sight of the operator This product is intended for use by properly tr
4. 18 Connecting to Test 20 Performitig Tesis ai ovre AR dA wia ada tle d 20 508 VIEWS RTT 21 PAUSING Dalaker a TR 23 Dala sissa OT 24 Usno Tcr 25 TREE 26 TAKING SNAPS MONS 27 ESC ING GAUSS 28 Savhgd DIR 29 PANINO 30 EE 31 l dw GA W 34 Adjusting Channel SENOS sin euto ts a evo fu e cadat 34 Seting INE SWeep EO 38 E 39 eme PE 43 6 A Table of Contents vi Using This Manual This manual contains tool usage instructions Some of the illustrations shown in this manual may contain modules and optional equipment that are not included on your system Contact a sales representative for availability of other modules and optional equipment The following conventions are used 1 1 Conventions 1 1 1 Bold Text Bold emphasis is used in procedures to highlight selectable items such as buttons and menu options Example e Press the Y v button 1 1 2 Symbols The following type
5. 2 aj Figure 4 56 Sample channel trigger position marker Ifthe Cyl trigger is selected a white plus sign displays along the bottom of the graph area which represents the point in time and the level at which a cylinder will be triggered Figure 4 57 40 Channel Chi Test Lead 100v Figure 4 57 Sample Trigger Position marker 4 When you are finished setting the trigger modes press to close the menu NOTE If you want to save the triggered event displayed on screen do not press Pause because that will show you data in the data buffer and the triggered event you are looking at may no longer be there if the buffer has wrapped P To save a triggered event 1 Make sure a Display Trigger is set 2 Wait for a triggered event to display 40 Performing Tests 3 Select Save gt Screen Trigger Slope The Trigger Slope button selects the direction the waveform must be going rising or falling when crossing the trigger point NOTE This button is only available when a Channel is the active trigger type Trigger Position The Trigger Position Figure 4 58 button is used for moving the trigger point for a specified channel either along the X horizontal or Y vertical axis of the display P To move the trigger point 1 Select Trigger Position The trigger point marker becomes active Figure 4 58 Channel Sweep Figure 4 58 Sample Trig
6. 4 5 4 Using Zoom The ZOOM button Figure 4 25 lets you change the magnification of frozen data and appears in place of the SNAPSHOT button when data collection is paused c Ox m 2x 4 8 16 32x 64x 128x 256x Zoom Out 10 Vidiw Figure 4 25 Sample zoom drop down menu P To zoom frozen test screens 1 Select ZOOM A dropdown menu displays Figure 4 25 2 Select an option from the menu The screen changes to reflect your selection and the on screen Zoom Cursor Line displays Figure 4 26 25 Operations 24 Channel Figure 4 26 Zoom cursor line see a point of interest in detail a Select REVIEW b Use the left 4 and right gt arrows move the Zoom Cursor Line to the left of the point of interest c Select ZOOM gt 1 4 5 5 Using Cursors The CURSORS button Figure 4 27 lets you make digital amplitude frequency and time measurements of frozen waveforms On live data cursors can be used as reference points and to make frequency and time measurements Lia E Sz gaal Figure 4 27 CURSORS button P To use the cursors 1 Select CURSORS Two vertical cursor lines display on screen Figure 4 28 MA Figure 4 28 Sample cursors 2 Press the right and left 4 arrows to move the selected cursor line 26 Performing Tests 3 Press Y v to change the active cursor 4 Press N X when you are finished se
7. Channel Two or Channel Three or Channel Four trace displays on screen and a check mark displays next to the Displayed option in the Channel s attribute menu indicating that it is on 3 Select additional channels and a corresponding Displayed attribute when available 35 Operations 4 Press N X to close the menu P To change channel setup 1 Press the Channel Number The channel setup menu displays 2 Select the channel you want to change Ch 1 Ch 4 3 Select the Peak Detect or Filter channel setup option Probe The Probe button lets you select a different test Figure 4 48 Low Amps 20 Low Amps 40 100 psi Vac 100 ps Press Waiting for Trigger Figure 4 48 Sample Probe menu P To select a different test 1 Select the Probe button The Probe menu displays 2 Select an option The Probe button changes to indicate your selection Scale The SCALE button displays the current units of measurement for the channel Scales can be adjusted for each channel P To select a measurement scale 1 Select the Scale button The Scale menu displays Figure 4 49 Figure 4 49 Scale menu sample 2 Select an option 36 Performing Tests The Scale button and the waveforms on screen change to reflect your selection Signal Zero Offset The Signal Zero Offset button moves the selected channel s zero 0 position up or down within the test display area To move channel s zero position 1 Sele
8. 1 Ignition System MODIS can be used to view secondary Grid ignition waveforms Trigger Display Scales Display yell il CH1 yellow secondary coil adapter inversa Colors GNO black secondary coil adapter lead Black clip known good ground t Save Data P To use setup 1 Select the Setup button A dropdown menu displays 2 Select one of the following options Units Grid Trigger Display Scales Display nverse Colors Figure 4 38 Setup button menu sample Units Selecting Units opens the Units dialog box Figure 4 39 which lets you change the displayed units of measurement for vacuum pressure and gas concentration Vacuum Pressure Concentration Display As kPa psi ppm Fa ctory Default mem Default Units Division Full Scale Figure 4 39 Sample Units dialog box 31 32 Operations The Display As droodown menu sets how the scale units display on the Scale button and in the Channel Status area There are three Display As scale unit options Factory Default the Channel Status area displays the Units Division for all active channels and the SCALE button displays the full scale value e Units Division the scale value for a major grid division is displayed in the Channel Status Area and the SCALE button e Full Scale the scale value for the whole grid is displayed the Channel Status Area and the SCALE button NOTE The Units dialog box can also be a
9. IPTION Sets the criteria used to start the display of Trigger Type data there are three types of Trigger settings None Channel and Cyl Slope Lets you change the Trigger edge for the specified channel from rising to falling Moves the trigger point for the specified Trigger Position J channel it can be moved up down left or right 3 1 3 Main Body The main body of the screen generally contains the test meter and or test information Content will vary depending on the module you are using e Component Tests e Component Information e Multimeter and Scope 3 1 4 Status Bar The status bar is located at the bottom of the screen This non selectable display area contains the test vehicle identification battery power status date and time 3 2 Making Selections Use the following instructions to navigate the interface and make selections For related information see Toolbars on page 8 P To make selections 1 Highlight a button menu option or window 2 Press to select v To navigate the main body of a screen Press the Thumb Pad arrows To exit a selection e Press N X v 11 Navigation 3 3 Navigating Multi Window Screens The main body of the screens for both Component Tests and Component Information are divided into multiple windows 1 2 DC VOLTAGE TEST Connect test leads vellow TPS 1 signal Black known good ground Key on Engine off vo
10. ONNECTOR Connect test leads VIEW HARNESS SIDE BACKPROBING Yellow cam CNTRL CONNECTOR Black known good ground Duty cycle should increase with Engine load Vehicle should be road tested for accurate 1 CAM ACT SOL Gray OR Brown Black OR White Black Duty Cycle 100 CADILLAC FUEL INJECTION 2006 CTS 3 6L VIN 7 Figure 3 11 Sample Support window expanded P To exit a screen e Press N X from any window until you return to the main menu 13 Navigation 14 Operations This section describes features that are accessible from the Component Tests button New Vehicle ID Previous Vehicles Component Tests Figure 4 1 Sample main menu The Component Testing menu Figure 4 1 provides the following options e Previous Vehicles Component Tests e New Vehicle ID 4 1 Component Tests The following is an outline of basic component testing operations 1 Identify the vehicle ldentify the test vehicle or select from a list of previously identified vehicles See Identifying the Test Vehicle on page 16 2 Select a component test Select a vehicle specific component for testing See Selecting a Component Test on page 18 3 Connect to the vehicle Follow the on screen instructions to connect the MODISTM unit to the vehicle See Connecting to a Test Vehicle on page 20 4 Perform the test Follow the on screen instructions to set up test and evaluate test resu
11. ad tested for accurate Figure 4 13 Sample setup instructions 3 Press the down V arrow to advance to the next panel of instruction as needed 4 Follow the on screen procedures as needed 5 View and verify the test results as explained on screen Figure 4 14 BM une Brezer emis FREQUENCY TEST CONNECTOR Connect test leads Yellow w55 Black WS55 A WSS At 30 MPH frequency should be about t WSS go 21 Sweep Oni Frequency 4 afi _ 305 TURN ABS 2003 VUE ABS 1412607 03 29 71 Figure 4 14 Sample test results 4 5 1 Changing Views The VIEW button lets you change the way data displays Available menu options depend on the selected test P To change screen views 1 Select VIEW A dropdown menu displays Figure 4 15 Full Digital Full Graph TES CONNECTOR VIEW HARNESS SIDE BACKPROBING CONNECTOR e Figure 4 15 Sample VIEW menu Menu selections vary by test and include either RPM Digital and Full Screen 21 Operations or Full Digital Full Graph Split Screen and Full Screen 2 Select an option from the drop down menu The screen changes to reflect your selection Figure 4 18 through Figure 4 21 CONNECTOR VIEW HARNESS SIDE BACKPROBING CONNECTOR VIEW HARNESS SIDE BACKPROBING l DEL CONNECTOR Full Graph VIEW HARNESS SIDE BACKPROBING PURGE Split Screen SOLENOID Full Screen a cycle should be pr
12. ained and skilled professional automotive technicians The safety messages presented throughout this manual are reminders to the operator to exercise extreme care when using this test instrument There are many variations in procedures techniques tools and parts for servicing vehicles as well as in the skill of the individual doing the work Because of the vast number of test applications and variations in the products that can be tested with this instrument we cannot possibly anticipate or provide advice or safety messages to cover every situation It is the automotive technician s responsibility to be knowledgeable of the system being tested It is essential to use proper service methods and test procedures It is important to perform tests in an appropriate and acceptable manner that does not endanger your safety the safety of others in the work area the equipment being used or the vehicle being tested It is assumed that the operator has a thorough understanding of vehicle systems before using this product Understanding of these system principles and operating theories is necessary for competent safe and accurate use of this instrument Before using the equipment always refer to and follow the safety messages and applicable test procedures provided by the manufacturer of the vehicle or equipment being tested Use the equipment only as described in this manual Read understand and follow all safety messages and instructions in this manu
13. al the accompanying safety manual and on the test equipment Safety Message Conventions Safety messages are provided to help prevent personal injury and equipment damage All safety messages are introduced by a signal word indicating the hazard level Indicates an imminently hazardous situation which if not avoided will result in death or serious injury to the operator or to bystanders Indicates a potentially hazardous situation which if not avoided could result in death or serious injury to the operator or to bystanders Safety Information Indicates a potentially hazardous situation which if not avoided may result in moderate or minor injury to the operator or to bystanders oafety messages contain three different type styles Normal type states the hazard Bold type states how to avoid the hazard e talic type states the possible consequences of not avoiding the hazard An icon when present gives a graphical description of the potential hazard Example Risk of unexpected vehicle movement e Block drive wheels before performing a test with engine running A moving vehicle can cause injury Important Safety Instructions For a complete list of safety messages refer to the accompanying safety manual SAVE THESE INSTRUCTIONS Table of Contents Safe IntorinalloEin sra asd OE uai iii Safety Message iii Important Safety
14. ample Vehicle Identification data When you have finished identifying the vehicle a confirmation message displays Figure 4 7 Press Y to accept identification N to make changes Figure 4 7 Sample Vehicle ID confirmation message 6 Follow the on screen instruction P To exit New Vehicle ID Press Y v anytime during the ID process to return to the main menu 4 2 2 Previous Vehicles When testing a vehicle that has already been identified the Previous Vehicles menu option provides access to the Load Vehicle Identification screen The MODIS unit automatically saves the last ten vehicle identifications and lists them on this screen 17 Operations P To load a previously identified vehicle 1 Select Component Tests gt Component Testing gt Previous Vehicles The Load Vehicle Identification screen displays Figure 4 8 Component Test Previous Vehicles Vehicle ID MERCEDES BENZ FUEL INJECTION 1996 E320 SATURN ABS 2003 VUE ABS ACURA CHARGING SYSTEM VOLVO FUEL INJECTION 1996 960 CADILLAC FUEL INJECTION 2006 CTS 3 6L VIN 7 Figure 4 8 Sample Load Vehicle Identification screen 2 Select an ID from the list P To exit the Load Vehicle Identification screen e Press N X to return to the main menu and keep the current vehicle identification setting 4 3 Selecting a Component Test Once a test vehicle is identified you can select from the Component Tests menu The main body Figure 4 11 of
15. ccessed from the UTILITIES menu located on the Tool Setup submenu as described in the MODIS Display User s Manual To change units 1 Select Setup Units The Units dialog box displays 2 Change the unit values as needed 3 Press to close the dialog box Grid Select Grid to displays the background grid pattern on all graphing test screens To turn the grid on e Select Setup Grid A grid appears in the background of the test area Figure 4 40 Figure 4 40 Sample grid Trigger Display Select Trigger Display to turn on the Trigger position values located in the bottom right corner of the test area Figure 4 41 NOTE The Trigger Display option is not available in all tests Performing Tests Figure 4 41 Mae Display When Trigger Display is not selected trigger position values only display when the trigger position button is selected on the lower toolbar To display trigger values e Select Setup gt Trigger Display The Trigger values display in the bottom right corner of the test area Figure 4 41 Scales Display Select Scales Display to display the scale values on the graph P To turn Scales Display on e Select Setup gt Scales Display Figure 4 42 The scale values appear along the X horizontal and Y vertical axis of the graph Figure 4 42 Figure 4 42 Scales Display menu selection sample Inverse Colors Selecting Inverse Colors changes the color scheme This featu
16. ct the Signal Zero Offset The button changes appearance to indicate that the function is selected Figure 4 50 Figure 4 50 Sample Signal Zero Offset selection 2 Press the up A or down V arrows as needed to move the zero point If you have the Scales Display setting on you see the scale move along the left side of the screen along with your selected channel waveform otherwise you only see your selected channel waveform move on screen 3 Press N X to exit the Signal Zero Offset function Threshold The Threshold button changes the reference point on the waveform and is only used for calculating measurements like Frequency Duty Cycle MC Dwell and Pulse Width There are two threshold options Auto Threshold Select ATS automatically picks a threshold level in the middle of the range in which the waveform travels ATS defaults to a falling edge Manual Threshold Select MTS lets you manually pick a signal level and direction rising or falling to be used as a reference point This is typically used if ATS picks a level that does not give the desired result P To change the threshold level 1 Select Threshold The Threshold menu displays Figure 4 51 00 05 10 Manual mi du Gye fro Figure 4 51 Threshold menu sample 2 Select an option 37 Operations P To use the Manual Threshold option 1 Select Threshold gt Manual Threshold Select The Manual Threshold Select dialog box d
17. esent i d Throttle may need to he opened ta see Duty 7 1 ENG MAIN Relay Duty Cycle Figure 4 18 Sample Full Digital view Performing Tests Full Digital Full Graph DC VOLTAGE TEST Split Screen fls Full Screen KOER measure voltage at idle Voltage increases as intake air increases high Engine load Figure 4 19 Sample Full Graph view Full Digital Full Graph KOER measure voltage at idle Voltage increases as intake air increases high Engine load Full creen Figure 4 21 Sample Full Screen view 4 5 2 Pausing Data The Pause button Figure 4 22 stops data collection and lets you review data he screen can be paused at any time 23 24 Operations Brno Figure 4 22 Freeze button P To pause test screen data e Press the Pause button Figure 4 22 The data is paused on screen for review and the following three upper toolbar controls also change Figure 4 23 The Play button replaces the Pause button The REVIEW button is active The ZOOM button replaces the SNAPSHOT button The Position Indicator displays in the Data Buffer Figure 4 23 Sample frozen upper toolbar 1 Play button 2 REVIEW button 3 ZOOM button 4 Position Indicator P To release paused data e Press the Play button Live data displays and the toolbar controls revert to their original state 4 5 3 Reviewing Da
18. eshold 37 Auto Threshold Select ATS 37 Manual Threshold Select MTS 37 tool help 3 toolbars 8 11 43 trigger display 32 view options Digital 21 Full Digital 22 Full Graph 22 RPM 21 22 Split Screen 22 44 Index MODIS COMPONENT TESTS USER 5 MANUAL PES 2008 Snap on Incorporated All rights reserved 20007 70 Rev
19. g ways Adjust the size snapshots can store a lot of frames and use a lot of memory or store fewer frames and use less memory Adjust the percentage after trigger snapshots can be between 10 and 90 data captured after triggering e Save to different locations snapshots be saved to the MODIS internal memory or to the CF card in the top slot P To change snapshot settings 1 From the main menu select UTILITIES gt Tool Setup gt Save Data The Save Data dialog box displays Figure 4 31 After Trigger data File Type Bo EG Figure 4 31 Sample Save Data dialog box 2 Select the After Trigger drop down menu The lower the percentage selected the smaller the file size 3 Open the My Data drop down menu and select a location to save the file to 4 Openthe File Type drop down menu and select the format for saving image files 5 Press N X to close the dialog box 4 5 7 Resetting Gauges The RESET button Figure 4 32 returns the recorded digital gauge minimum and maximum values to zero Figure 4 32 Sample RESET button Use the RESET button to do the following e Track the variation in a component or circuit under a certain condition If the condition changes RESET lets you start tracking again to see the change Performing Tests e Verify a connection problem you found by looking for a dropout or spike in min max values is fixed P To reset the min max dig
20. ger Position button Use the Thumb Pad to move the on screen marker and select a new Trigger point When you are finished press N X to release the button The button reverts to its original state to indicate that the button function is inactive 41 ac 4 Operations 42 Index B battery pack power status 11 bold text 1 changing views 21 channel control bar 34 component tests 15 identify test vehicle 16 connecting to a test vehicle 20 cursors 26 D display as 32 display trigger 39 41 display trigger control bar 39 G grid 32 identifying the test vehicle 16 INFO component tests 15 inverse colors 33 making selections 11 manual conventions 1 3 manuals additional 3 messages 2 important 2 note 2 N new vehicle ID 16 noise filter 35 P pause 23 24 peak detect 35 performing tests 20 previous vehicles ID 17 print test screens 31 printing 30 probe 36 procedures 2 review data 24 Safety ili iv safety information iii message conventions iii safety messages ili iv save 29 saving 29 scale 36 scales display 33 selecting component tests 18 setup 31 display as 32 grid 32 inverse colors 33 scales display 33 trigger display 32 units 31 setup options grid 32 inverse colors 33 scales display 33 units 31 signal zero offset 37 snapshot 9 24 25 27 setup 28 taking 27 28 sweep 38 symbols 1 terminology 2 Test screen 7 thr
21. isplayed and cannot be turned off e Channel Two through Four 2 4 can be manually selected for display The following channel options are available e Displayed makes a channel s signal visible e Inverted the selected waveform upside down This is typically used when testing secondary ignition or displaying waveforms from the Low Amps Probe Coupling AC subtracts the average value of a waveform to see small variations which is ideal for viewing alternator ripple or fuel pump amps This blocks the DC portions of an input signal in order to amplify the AC portions without driving them off the center of the Screen Peak Detect captures fast events spikes and glitches for signals going in both positive and negative directions e Filter minimizes unwanted noise the Graphing Meter Auto Find picks the best scale to fit the selected signal pattern on the screen If run on the same channel as the trigger the trigger level is set halfway between the minimum and maximum values of the waveform Displayed Inverted Coupling AC Peak Detect Filter Auto Find zi Figure 4 47 Sample Channel Number menus NOTE When testing with the Single Cylinder Ignition scope the Channel 1 Peak Detect option cannot be turned off To display a different Channel 1 Select the Channel Number button from the Channel control bar The channel setup menu displays 2 Select Ch 2 or Ch3 or Ch4 Displayed The
22. isplays Figure 4 52 Manual Threshold Select Signal Min Threshold Signal Max Slope Use arrows to adjust level and slope Press N when done Figure 4 52 Sample Manual Threshold Select dialog box The Signal Min and Max display to the left and right of the Threshold value for reference Measuring the Min and Max may take a few seconds 2 Change the Threshold value and the Slope as needed NOTE Threshold can only be changed to a value that is between the Min Max of the signal 3 Press N X to exit the dialog box 4 5 13 Setting the Sweep Time The Sweep button on the lower toolbar sets the amount of time data displays across the screen from left to right P To set the sweep time 1 Select Sweep A dropdown menu displays Figure 4 53 SAN 05 Oe Channel Figure 4 53 Sample Sweep menu 2 Select an option NOTE Sweeps shorter than 1 second will collect some frames after the Pause button is selected The faster the Sweep the more frames will be collected 38 Performing Tests 4 5 14 Setting the Trigger Use the Trigger control bar Figure 4 54 to set the criteria to start the display of data Figure 4 54 Sample Display Trigger control bar 1 Trigger Type 2 Slope 3 Trigger Position Trigger Type Select Trigger Type to set the criteria used to start the display of data Available Trigger Type menu options include the following None disp
23. ital values e Select RESET A confirmation message displays Figure 4 33 Min Max values are being reset Figure 4 33 Sample Reset confirmation message When the reset is complete the confirmation message disappears 4 5 8 Saving Data The Save button lets you store data in memory P To save data 1 Select the Save button to open a dropdown menu Figure 4 34 eca OO ore gt ga Save Movie SECONDARY IGNITION TEST 1 Save Frame MODIS can be used to view secondary ve Pres ignition waveforms Save Image Figure 4 34 Sample TESTS screen SAVE menu 2 Select an option Save Movie saves all data in the buffer Save Frame saves only the visible screen data Save Preset saves only Scope tool screen configurations used for future testing Save Image saves the visible screen as a graphic image The Setup Saved Data Notation dialog box displays Figure 4 35 29 Operations Setup Saved Data Notation Kee Save Not Year Make Component Condition ae Figure 4 35 Sample Setup Saved Data Notation dialog box 3 Select from the menus to set preferences as necessary The Setup Saved Data Notation dialog box works the same as the Edit Saved Data Notation dialog box found in the SAVED DATA mode Refer to the MODIS Display User s Manual for operating details NOTE If you plan to save many screens from the same vehicle select Yes for Keep Entries This preference retains
24. lays data as it is collected e Ch 1 4 triggers the display based on the signal from the selected channel Available submenu options include e Ch 1 4 triggers the display based on the signal from the selected channel Available submenu options include Auto updates the screen when the signal crosses the trigger threshold in the selected direction rising or falling Even if the signal does not cross the trigger threshold the screen automatically updates after a short period so you can see the waveform which lets you set a threshold to optimize viewing Normal updates the screen when the signal crosses the trigger threshold in the selected direction rising or falling If the signal does not cross the trigger threshold the screen will not update which lets you capture intermittent events The screen only updates when the signal meets your trigger selection Cyl triggers the Lab Scope from the RPM lead signal You can only adjust the time offset for this trigger type P To select a trigger type 1 Select the Trigger button A dropdown menu displays Figure 4 55 39 Operations Figure 4 55 Sample Trigger Mode menu 2 Select an option With the exception of None a submenu displays 3 Select Auto or Normal from the submenu fa Channel trigger Ch1 4 is selected a plus sign colored according to the channel it represents displays in the graph area Figure 4 56 396 See
25. ltage should be about 3 Figure 3 8 Sample Component Tests Screen 1 Test Procedure window 2 Support window 3 Test Meter window P To select a window 1 Use the down V arrow to move from the upper toolbar 2 Select a main body window When selected the background and title text of the window change colors Figure 3 9 BO wew Fri ec Basse S DUTY CYCLE TEST CONNECTOR onnect test leads VIEW HARNESS SIDE BACEPROBING ellnw cam ACT CNTRL CONNECTOR Black known good ground Duty cycle should increase with Engine load ehicle should be road tested for accurate Figure 3 9 Sample selected test window P To deselect a window e Press N X When deselected the background and title text of the deselected window change colors P To view additional information Press the up A or down V arrow in the selected window Figure 3 10 to display more information 12 Navigating Multi Window Screens DUTY CYCLE TEST CONNECTOR onnect test leads VIEW HARNESS SIDE BACKPROBING ellaw cam ACT CNTRL CONNECTOR Black knawn good ground Duty cycle should increase with Engine load ehicle should be road tested for accurate Figure 3 10 Thumb Pad instruction indicating more information NOTE When the arrow button displays some windows selecting it expands the window vertically Figure 3 11 moj zw DUTY CYCLE TEST C
26. lts See Performing Tests on page 20 15 Operations Figure 4 2 Basic operations 4 2 Identifying the Test Vehicle Component tests vary according to vehicle and system Before you can a list of available component tests you must identify a specific vehicle system Two options are available for identifying a vehicle New Vehicle ID e Previous Vehicles 4 2 1 New Vehicle ID The New Vehicle ID option requires that you make selections from a series of menus to identify the vehicle to be tested P To identify a new test vehicle 1 From the main menu select Component Tests gt Component Testing gt New Vehicle ID Figure 4 2 New Vehicle ID Previous Vehicles Component Tests Figure 4 3 Sample New Vehicle ID selected The Region menu displays Figure 4 3 16 Identifying the Test Vehicle Region Region O IMPORTS modular diagnostic information system Figure 4 4 Sample Region menu 2 Select the region 3 Select a manufacturer The System Type menu displays Figure 4 5 Figure 4 5 Sample System menu 4 Select a system 5 Continue to select from the menus to complete the vehicle identification If you need to change a selection press the left 4 arrow to go back one step at a time NOTE As you make selections vehicle identification data displays the Status bar Figure 4 6 at the bottom of the screen Figure 4 6 S
27. ng the MODIS unit refer to the MODIS Display User s Manual 3 1 Screen Layout The Component Tests button on the main menu opens a Component Testing menu Seleciing from the menu opens a submenu Figure 3 1 New Vehicle ID Previous Vehicles Component Tests 1124347 Figure 3 1 Sample screen selection 3 1 1 Tests Screen The Tests screen Figure 3 2 consists of the following sections Upper toolbar e Main body e Lower toolbar e Status Bar The main body of the TESTS screen consists of three sections Test Procedure window upper left contains connection and testing procedures Navigation Support window upper right contains support information such as waveforms and connector illustrations Test Meter window bottom functions either as a Graphing Meter Digital Meter or Lab Scope depending on the test you choose his window cannot be selected EA 00 2 DC VOLTAGE TEST CONNECTOR VIEW HARNESS SIDE BACKPROBING Lonnect test leads Yellaw TPS 1 signal Black knawn good ground Key on Engine off voltage should be about 00 05 0 As 20 25 0 35 aes 45 soo Sweep ont vas sv we 5s CADILLAC FUEL INJECTION 2006 CTS 3 6L VIN 7 Figure 3 2 Sample test screen 1 Test Procedure window 2 Support window 3 Test Meter window 3 1 2 Toolbars Upper and lower toolbars contain test controls that vary depending on the
28. re is useful for saving ink when printing P To change the color scheme e Select Setup gt Inverse Colors The color scheme changes Figure 4 43 33 Operations E a n 42 ot k 6 1 4 0082 Mm 0134 imeem pem perl memi m Waiting for Trigger E 70 0 30 XU TA Sweep Display Trigger 4 43 Colors menu selection sample 4 5 11 Calibration LED When you select a Diode Continuity Ohms or Pressure transducers test a message displays with calibration instructions Figure 4 44 Make sure 100 psi Pressure probe is connected to scope Chi but not the vehicle Press Y to perform probe calibration or N to use last calibration values Figure 4 44 Sample calibration procedure message When the test screen displays the LED Figure 4 45 on the toolbar indicates the channel calibration status Green calibrated Red not calibrated using previous calibration values Figure 4 45 Sample calibration LED 4 5 12 Adjusting Channel Settings The Channel control bar Figure 4 46 lets you adjust channel settings and viewing characteristics for the selected trace Figure 4 46 Sample Channel control bar 1 Channel Number 2 Probe 34 Performing Tests 3 Scale 4 Signal Zero Offset 5 Threshold Channel Number The Channel Number button lets you select channel options e Channel 1 is automatically d
29. reen views 1 Select VIEW The drop down menu displays 2 Select an option from the menu The screen layout changes to the format you selected 1 2 1 3 Additional 5 Additional Manuals Tools that work in conjunction with various hardware and software modules have user s manuals available for each of the modules Tool Help Your unit has Tool Help containing reference and procedural information found in this and other tool related user s manuals From the main menu access Tool Help on the Utilities menu Chapter1 Using This Manual Introduction MODIS Component Tests module combines the strength of your MODISTM Lab Scope and Graphing Multimeter with a powerful diagnostic database This software provides component tests and automatically configures the tool for a selected test C2 A ALI L ZA F TREE T FEE sT Figure 2 1 MODIS display device with Lab Scope Plug in The Component Tests module operates from the Lab Scope Plug in which uses standard safety banana jacks and is compatible with commonly available accessories The following chapters of this manual will cover navigation through the software module software operation accessories and replacement part 2 Introduction Navigation This section provides MODISTM Component Tests navigation information For detailed information about navigati
30. requency should be about Wss M Sweep Bi Fal 30s 1126007 03 29p Figure 4 11 Sample Component Test screen 19 Operations P To exit Component Tests e Press N X anytime during the Components Test selection process to return to the main menu 4 4 Connecting to a Test Vehicle Certain component tests require the use of specific leads that connect your MODIS unit to a test vehicle NOTE For additional leads and connection information refer to your Lab Scope Plug in User s Manual The initial test screen displays connection information P To connect to a test vehicle e Follow the on screen connection instructions located in the Test Procedure and Support windows Figure 4 12 test leads ellow TPS 1 signal Black known good ground Figure 4 12 Sample connection instructions 4 5 Performing Tests When you have connected the MODIS unit to the test vehicle you can proceed with component tests P To perform component tests 1 Select the Test Procedure window 2 Usethe Thumb Pad to scroll through the setup instructions Instructions display in the Text Procedure window accompanied by illustrations in the Support window Figure 4 13 20 Performing Tests Bela pad OS DUTY CYCLE TEST CONNECTOR VIEW HARNESS SIDE BACEPROBING CONNECTOR Black known good ground Duty cycle should increase with Engine load Mehicle should be ro
31. s of arrows are used The greater than arrow indicates an abbreviated set of selection instructions Example Select Utilities gt Tool Setup gt Date The above statement abbreviates the following procedure 1 Navigate to the Utilities button 2 Usethe Thumb Pad to navigate to and highlight the Tool Setup submenu 3 Usethe Thumb Pad to navigate to and highlight the Date option from the submenu Press Y v to confirm the selection The solid arrows 4 gt V A are navigational instructions referring to the four directions of the Thumb Pad Example Press the down V arrow Using This Manual 1 1 3 Terminology The term select means highlighting a button or menu item using the Thumb Pad pressing the Y v button to confirm the selection Example e Select RESET The above statement abbreviates the following procedure 1 Navigate to and highlight the RESET button Press the Y v button 1 1 4 Note and Important Messages The following messages are used Note A NOTE provides helpful information such as additional explanations tips and comments Example NOTE For additional information refer to Important IMPORTANT indicates a situation which if not avoided may result in damage to the test equipment or vehicle Example IMPORTANT Do not force the CompactFlash card into the slot 1 1 5 Procedures An arrow icon indicates a procedure Example P To change sc
32. stage of operations P To navigate toolbars 1 Press the left 4 and right gt arrows to move between buttons 2 Press the up A and down V arrows or press the button to move between the upper and lower toolbars When Easy Scroll is active press the N X button to move to the upper toolbar Upper Toolbar The upper toolbar Figure 3 3 and Figure 3 4 controls vary depending on your mode and stage of operation Table 3 1 Figure 3 3 Sample live screen upper toolbar Screen Layout Figure 3 4 Sample frozen screen upper toolbar Table 3 1 Upper toolbar controls BUTTON DESCRIPTION View Bal mw Lets you change the way data displays Pause Pauses data collection and lets you review the buffered data Continuously captures data and stores it in Avi Lets you make measurements of test data Review eer Lets you adjust paused data Lets you capture data before and after a Snapshot problem occurs while testing Zoom Lets you change the magnification of the TAM frozen data R T Lets you clear the Min Max data for all eset eed digital gauges se RB Lets you store data and settings in memory Lets you print the selected screen Print information Lets you change the way information appears change where it saves and enter vehicle system information
33. ta The REVIEW button is used with the Thumb Pad to review paused data The Position Indicator Figure 4 23 displays the position of the current frame e Zero denotes the frame when the data was paused Frames captured before pausing are negative frames captured after are positive There are two ways to review frozen data e Manually e Automatically P To manually review data 1 Select the Pause button 2 Select the REVIEW button Use the right and left 4 arrows to review data one frame at a time Performing Tests 4 Use the up A and down V arrows to review data a fraction of a frame at a time when possible NOTE You can not review fractions of frames in the Ignition Scope P To automatically scroll paused data 1 With the REVIEW button selected press Y v again to display the menu of scroll options Figure 4 24 Auto Scroll Fast 1 CONNECTOR Connect test 1 4 Auto Scroll Slow VIEW HARNESS SIDE BACKPROBING Figure 4 24 Sample scroll options 2 From the REVIEW menu select an Auto option Auto Scroll Fast automatically scrolls the paused data at full speed Auto Scroll Slow automatically scrolls the paused data at half speed 3 Press N X to close the menu The Position Indicator Figure 4 23 displays the position of the current frame Zero 0 represents the frame when data collection was paused Frames captured before pausing are negative frames captured after pausing are positive
34. the test screen can contain the following sections Test Procedure window contains connection and testing procedures e Support window contains support information such as connector illustrations Test Meter window functions as a Graphing Meter Digital Meter or Lab Scope depending on the selected test P To select a component test 1 Select Component Tests gt Component Testing gt Component Tests The Component Tests menu displays the available components for the identified test vehicle Figure 4 9 18 Selecting Component Test dk SENSOR SENSOR CONTROL MOD LOCATION ECM CONNECTOR PINOUT SENSOR EVAP SYSTEM FUEL LEVEL SENSOR FUEL PRESS URE FUEL PUMP SENSOR SENSOR IGNITION TESTING INJECTOR 1 KNOCK SENSOR MAF SENSOR MAP SENSOR MOTOR TP SENSOR ABBREVIATIONS USED CADILLAC FUEL INJECTION 2006 CTS 3 6L VIN 7 11 2607 02 21p Figure 4 9 Sample Component Tests menu 2 Select a component A TESTS menu displays Figure 4 10 modular dlegnostie information system KOEC TEST PULSE WIDTH TEST RESISTANCE TEST SIGNATURE TEST CURRENT RAMP TEST Figure 4 10 Sample TESTS menu 3 Select atest The Test screen displays Figure 4 11 ar gsal FREQUENCY TEST CONNECTOR Connect test leads VIEW HARNESS SIDE BACKPROBING Yelow WSS Black WSS A WSS At 30 MPH f
35. tting cursors A confirmation message displays asking how you want to proceed using cursors 5 Press Y v as desired NOTE Digital amplitude measurements only display when the screen is pause mode P To turn cursors off 1 Select CURSORS 2 Press N X twice The cursor lines disappear 4 5 6 Taking Snapshots The SNAPSHOT button lets you capture data before and after a problem occurs while driving P To take a snapshot 1 Select the SNAPSHOT button A dropdown menu displays Figure 4 29 Figure 4 29 Sample SNAPSHOT menu 2 Select Manual The SNAPSHOT button blinks indicating that Manual Snapshot mode is ready for use 3 Press Y v to take a snapshot The Collecting Snapshot message displays indicating that Snapshot data is being collected Figure 4 30 Collecting snapshot Please wait Press Y to stop collecting and save data now Press to abort Figure 4 30 Sample Collecting Snapshot message When the Snapshot finishes saving a final confirmation message displays When the confirmation message disappears you are returned to the test screen with the blinking SNAPSHOT button still armed 4 Stop using SNAPSHOT by pressing N X 27 28 Operations NOTE The saved snapshot can be retrieved from SAVED DATA Refer to the MODIS Display User s Manual for SAVED DATA operating details Changing Snapshot Settings You can set up a snapshot in the followin
36. your settings the next time you select Save 4 When you are finished setting preferences select the Save icon A confirmation message displays with saved data retrieval instructions Figure 4 36 Data saved Select Data Management to view saved data Press Y to continue Figure 4 36 Sample Data saved confirmation message 5 Press Y v to close the confirmation message 4 5 9 Printing The Print button lets you print the displayed screen Print menu options vary depending on your selected component and mode You can print the full screen or individual sections in full screen format Figure 4 37 SECONDARY IGNITION TEST 1 SECONDARY IGNITION TEST 1 MODIS can be used ta view secondary Test Figure 4 37 Sample test screen print menu NOTE Selecting Inverse Colors from the Setup button menu reduces the amount of ink used by your printer 30 Performing Tests P To print 1 Select the Print button Figure 4 37 A drop down menu displays 2 Select a print option and press Y v The screen prints according to your printer settings Refer to the MODIS Display User s Manual for printer setup details NOTE If you print using the infrared output on the top of the MODISTM unit make sure it is pointed at the infrared input of the printer and that there is nothing in between them 4 5 10 Using Setup The Setup button Figure 4 38 lets you change the way information displays SECONDARY IGNITION TEST
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