Snap-On MT-2500 Operator'S Manual Download

Page: 1 / 54

Scanner

P/N:

0692E9315-76

, Rev:C, PCN:02E0093

OPERATOR’S MANUAL

Summary of Contents for MT-2500

Page 1: ...Scanner P N 0692E9315 76 Rev C PCN 02E0093 OPERATOR S MANUAL ...

Page 2: ... the standard terms and conditions of the purchase lease or rental agreement under the terms of which the equipment to which this manual relates was acquired increases in any way the liability to the customer or to third parties TO THE READER Whilst every effort has been made to ensure that the information contained in this manual is correct complete and up to date the right to change any part of ...

Page 3: ...NAL ECUS 13 SCANNER COMMUNICATION 14 TROUBLE CODES 14 FIXING HOLDING AND RECORDING 15 FIXING DATA LINES 15 HOLDING A FRAME OF DATA 16 RECORDING A MOVIE 16 6 CODES DATA EXIT MENU 18 RESUME 18 PRINT OPTIONS 18 ARM MOVIE 19 LED MENU 20 FIX RELEASE LINE 2 OR 3 OPTIONS 20 CLEAR ECU CODES 21 CUSTOM DATA LIST 22 7 REVIEW MOVIE 23 8 REVIEW MOVIE EXIT MENU 25 RESUME 25 PRINT OPTIONS 25 LED MENU 25 9 FUNCTI...

Page 4: ...E SETUP 29 LED MENU 30 CONTRAST BACKLIGHT ADJUST 30 REMOTE TERMINAL COMMUNICATION 31 TROUBLESHOOTER 33 TROUBLESHOOTING 35 1 START UP PROBLEMS 35 2 INTERNAL BATTERY VOLTAGE LOW 35 3 VEHICLE BATTERY VOLTAGE LOW 35 4 COMMUNICATION PROBLEMS STATUS 36 GLOSSARY 37 Appendix The Colour Graphing Scanner 39 Appendix The EMB Cartridge 49 ...

Page 5: ...N SWITCH IS IN THE OFF POSITION BEFORE CONNECTING OR DISCONNECTING THE SCANNER CONNECTORS OR ANY VEHICLE TERMINALS 5 WHEN CONNECTING THE SCANNER PLUG THE POWER CABLE INTO THE CIGARETTE LIGHTER SOCKET IF AVAILABLE OR CONNECT THE BATTERY POWER CABLE THEN PLUG THE TEST ADAPTOR INTO THE VEHICLES CONNECTOR 6 MAKE SURE THAT THE SCANNER POWER CABLE IS DISCONNECTED BEFORE REMOVING OR INSTALLING A CARTRIDG...

Page 6: ...E ENGINE BACKFIRING CAN CAUSE BURNS 17 AVOID CONTACT WITH HOT SURFACES SUCH AS EXHAUST MANIFOLDS AND PIPES MUFFLERS CATALYTIC CONVERTERS RADIATORS AND HOSES THESE CAN CAUSE SERIOUS BURNS 18 NEVER USE A NAKED FLAME NEAR THE BATTERY BATTERIES PRODUCE A HYDROGEN GAS WHICH EXPLODES WHEN IT COMES IN CONTACT WITH FIRE 19 ALWAYS KEEP A FIRE EXTINGUISHER IN THE WORK AREA IT SHOULD BE SUITABLE FOR A RANGE ...

Page 7: ... SHOULD NOT BE TESTED IF THE COOLANT LEVEL IS TOO LOW IF THE ENGINE IS HOT CHECK THE LEVEL AT THE OVERFLOW TANK THE TEST RESULTS WILL BE INFLUENCED AND THE ENGINE CAN BE DAMAGED IF A TEST IS PERFORMED WITH A LOW COOLANT LEVEL 3 FOLLOW THE CAR MANUFACTURER S INSTRUCTIONS WHEN WORKING ON VEHICLES WITH A CATALYTIC CONVERTER THE CONVERTER CAN BE DAMAGED BY BACKFIRES OR BY TOO MUCH UNBURNED FUEL GETTIN...

Page 8: ...plicity the Snap on Scanner MT 2500 the Sun Scanner and the Sun PDL 1000 are designated as the SCANNER in this manual Figure 1 SCANNER CARTRIDGE CABLES CARTRIDGE COMMUNICATION CABLE RS 232 UNIVERSAL DATA CABLE VEHICLE INTRODUCTION ...

Page 9: ...Optional or to a PC etc Scan Gra Fix Scan Link ScanView Options These are PC software programs that can be used to display save analyse and print vehicle data using the Scanner Refer to the Scan Gra Fix Operator s Manual P N 0692E9312 84 for more information SCANNER CONTROLS Thumbwheel is used to scroll through the menu selections and data displays As the thumbwheel is turned scrolled the cursor a...

Page 10: ...loth Remove grease or oil with a clean cloth or a small amount of electronic contact cleaner Polish the cartridge edge connectors with a pencil eraser Remove all eraser dust before inserting the cartridge into the scanner Caution Do not use water solvent or abrasive material on the cartridge connector Do not try to clean the socket inside the scanner 2 Use the Quick ID button or connect to the veh...

Page 11: ...ic Connector is known connect the Scanner cable with the adaptor to the vehicle s Diagnostic connector 1 Scroll to select Cartridge and press Y to continue 2 If applicable go to the Custom Setup and press Y 3 Select Left Right Hand Drive Setup and press Y to continue Select Left or Right hand drive and press N the Custom Setup menu will be redisplayed Press N again to continue with the Vehicle Sel...

Page 12: ...tification 4 Press Y or N depending whether the vehicle has an Automatic Transmission or not When Y is pressed A T will be displayed Press Y or N depending whether the vehicle has Air Conditioning or not When Y is pressed the screen will display A C 5 Verify the identification information Press Y if it is correct or N to redo the identification 6 If applicable select the System to be tested e g En...

Page 13: ...heel DP Driver Pretensioner RR Rear Right Wheel DSA Drivers Side Air Bag T4 4 Cylinder Transverse Engine DSL Diesel Engine TC Traction Control ECU Electronic Control Unit T DSL Turbo Diesel Engine EFI Electronic Fuel Injection TPS Throttle Position Sensor FL Front Left Wheel V6 6 Cylinder V Engine FR Front Right Wheel VV Variable Venturi Carburettor NOTE The Abbreviations used will vary depending ...

Page 14: ...ng on the vehicle several options may be available 1 CODES AND DATA Allows the reading of input and output signals switches sensors and actuators etc This option is available only on vehicles that can transmit ECU operating data to the Scanner Codes Data also allows the reading of trouble codes from the ECU Also in a sub menu or an exit menu the Movie function is available for recording continuous...

Page 15: ...y stored data to be lost and a warning message like below will be displayed SELECTING ANOTHER SYSTEM WILL CAUSE ANY STORED INFORMATION TO BE LOST PRESS N TO RETURN TO THE PRESENTLY SELECTED SYSTEM OR Y TO SELECT A DIFFERENT SYSTEM 5 REVIEW MOVIE Only if a movie was previously recorded then the menu item Review Movie will be displayed The recorded data can be displayed 6 TROUBLESHOOTER Only if the ...

Page 16: ...ECU the first line of the screen will display very important information e g Engine rpm Lambda Voltage and the Battery Voltage 3 The second line displays a message Use Custom data List for faster refresh or Scroll for Data or OK to Drive Press N to leave this screen and enter the Customer Data List if applicable See section Custom Data List 4 If applicable on the following display lines Fault Code...

Page 17: ...te of the vehicle ECU The baud rate is the data transmission speed in digital bits per second The baud rate determines how fast the Scanner responds to the ECU and how fast the data readings change on the screen It also affects the time that it takes to record a movie Data readings from a high baud rate ECU may appear to change almost instantly Readings from a low baud rate ECU will appear to chan...

Page 18: ...nu will appear If it does not press N several times to check the vehicle identification and correct it if necessary If the identification is correct disconnect the Scanner and check the vehicle connector for damaged terminals and open wiring The No Communication message means that the Scanner is not receiving data from the ECU The cause may be as simple as incorrect vehicle identification a blown ...

Page 19: ...tream Fixing a line allows the scrolling of other parameters into position for comparison To fix a line scroll the desired data into position on line 2 or 3 of the display Press N to exit and display the Exit menu The available choices to fix or release line 2 or 3 are displayed on the Exit menu Instructions for fixing and releasing lines are given in the Exit Options section The following general...

Page 20: ...ecorded Recording time will take from a few seconds to several minutes depending on the baud rate speed of the vehicle ECU and the parameters set with the Custom Data List if applicable To record a movie first select Codes Data Press N for the Exit menu and choose Arm Movie from the Exit options Pressing Y to arm the movie erases any earlier movie in the Scanner and returns to the previous data mo...

Page 21: ...s live ECU data is viewed as a reminder that a movie has been recorded Pressing N after recording a movie whether it was cut short or let it record the full 100 of the frames returns to the Exit menu Press N again to go to the Main Menu The Main Menu now contains the Review Movie selection Scroll the thumbwheel to Review Movie and press Y The recorded data can now be reviewed as explained in the R...

Page 22: ...ing data Print Screen prints any 4 line display of data or codes Print Frame prints one complete frame or data transmission cycle from the vehicle ECU including any codes that may be present A screen or a frame can be printed in two different forms 1 If a frame was held when exited from the data viewing mode printing a screen will print the last four lines and the exact data values seen before exi...

Page 23: ... additional message on lines 3 and 4 If the printer problem is corrected or if the printer recovers it returns to the normal printing display Lines 3 and 4 clear automatically and the printer resumes printing ARM MOVIE Perform the following steps to arm the Y button as a trigger to record a movie 1 From the Main Menu select Codes Data and press Y 2 After entering Codes Data press N for the Exit me...

Page 24: ...elease line 2 or 3 the Codes Data with the desired data items on the selected line must be active Mode title lines trouble code lines and blank lines cannot be fixed If any of these items are on line 2 or 3 the fix line option for that line will not appear on the Exit menu After scrolling the desired line into position press N from the data mode for the Exit menu If neither line 2 nor line 3 is fi...

Page 25: ...ng of trouble codes from the ECU memory directly through the Scanner If the particular ECU doesn t have this option built in the Scanner will display instructions how the Codes may be cleared The item Clear ECU Codes will be displayed on the Exit Menu If the option is not available on a vehicle this item will not be displayed If the option is available scroll the thumbwheel to the selection and pr...

Page 26: ...ata parameters there are to up date the faster the up date rate To use this function simply select Custom Data List from the Codes Data Exit Menu The Data Selection Screen will be displayed An asterisk next to a parameter title indicates that the parameter is selected for display When this screen is first displayed all data parameters available for the vehicle identified are deselected To select o...

Page 27: ...eral rules apply to the Review Movie operation 1 Always enter the movie from the Main Menu Frame 0 the trigger point is automatically chosen 2 Upon entering a Movie the thumbwheel scrolls lines of data just as it does in the data viewing mode 3 The Y button does not fix or hold a screen or a frame of data 4 The Y button acts as toggle switch to change the scrolling operation of the thumbwheel as f...

Page 28: ...r frame 8 Data or test mode titles and trouble code information are on lines 2 and 3 of each frame and can be scrolled off as in normal data viewing Codes may change from frame to frame as recorded the mode title does not change 9 LEDs flash to indicate the state of the selected LED assignments from frame to frame 10 Lines may be fixed with the fix line 2 or 3 options on the Exit menu Fixed lines ...

Page 29: ...turn to frame 0 Thumbwheel scrolling fixed lines and LED operation remains as they were set before exiting PRINT OPTIONS The Print Frame and Print Screen selections operate the same as Codes Data Operation is the same as explained in the earlier Exit Menu section of this manual LED MENU The LED Menu selection operates the same as it does when exiting from Codes Data After resetting the LED assignm...

Page 30: ... be clearly heard a relay clicks or a pump runs Be aware actuators can be mounted anywhere within the vehicle e g under the dashboard under the bonnet and even in the boot If no reaction can be heard at all measure the actuator with an Oscilloscope or a Multimeter this will indicate whether the ECU is controlling the component properly or not NOTE Often a certain actuator may not be present on a v...

Page 31: ...out connecting an adaptor press Y to continue The Main Menu will be displayed 2 Select Codes Only and press Y the following Code List should be displayed example NOTE Some Systems may also display Data 3 Use the thumbwheel to scroll through the Code List 4 Press N to enter the Exit Menu functions these functions are exactly the same as previously described i e Resume Print Screen etc press N again...

Page 32: ...the following Code List should be displayed example NOTE Some Systems may also display Data 3 Use the thumbwheel to scroll through the Code List 4 Press N to enter the Exit Menu functions these functions are exactly the same as previously described i e Resume Print Screen etc press N again to return to the Main Menu OPERATION CODE LIST CODES ONLY 30 PASSENGER AIR BAG DISABLED 33 BATTERY LOW VOLTAG...

Page 33: ...a MT1670 Printer 2400 baud b Other communication 4800 baud c Other communication 9600 baud d Other communication 19200 baud ENGLISH METRIC Use this selection to adjust the units of measurement displayed during testing The possible settings are as follows Temperature o C or o F Air Pressure kPa or Hg Vehicle Speed MPH or KPH Other Pressure PSI or kPa RIGHT LEFT HAND DRIVE SETUP If Applicable When t...

Page 34: ... may be different for each vehicle selected CONTRAST BACKLIGHT ADJUST Use this selection to adjust the Backlight setting When the Scanner is powered from the vehicle the Backlight is always set to ON and can not be adjusted When the Scanner is powered from the PowerPac the Backlight can be switched ON or OFF by pressing and holding N for 4 seconds anytime For the auto shut off selection press Y Th...

Page 35: ...er has a 25 pin DB25 female connector The scanner transmits data on pin 3 and receives data on pin 2 at the DB25 connector If the remote terminal connector matches this arrangement the MT2500 500 terminal adapter cable can be used If it does not another adaptor usually called a null modem adaptor or a special cable may be required Refer to installation manuals for specific equipment for connector ...

Page 36: ... On some keyboards the arrow keys may be combined with the number keys on a numeric keypad Such keyboards include a NUM LOCK key which locks the keys in the numerical condition Be sure the NUM LOCK key is unlocked or off so that the arrow keys will act as the scanner thumbwheel 7 After completing operation of the scanner with the remote terminal disconnect the scanner from the terminal Then discon...

Page 37: ...ect TROUBLESHOOTER from the MAIN MENU To select Troubleshooter scroll the cursor to TROUBLESHOOTER and press Y If the Troubleshooter cartridge does not contain information for a vehicle identification entered into the scanner TROUBLESHOOTER will not appear on the MAIN MENU 5 Select a tip from the Troubleshooter menu that most closely matches the problem with the vehicle The Troubleshooter menu app...

Page 38: ...hen progress through other possible causes and tests All checks in a Troubleshooter tip are common causes of a problem or important basic tests but the most important are listed first For the most effective use of the Troubleshooter tips follow the checks in the order in which they are given Many checks in the Troubleshooter tips will refer to references in the Troubleshooter Reference Manual Cons...

Page 39: ...ith a fibreglass pencil eraser or equivalent Wipe off eraser dust with a clean cloth 2 INTERNAL BATTERY VOLTAGE LOW If the internal battery is low but still has enough power to light the display the following message will be displayed If the battery is very low but still has enough power to light the display the message above may be displayed when the Quick ID button is pressed The screen may then...

Page 40: ...ted Press N to abort In this case the communication status is displayed on the screen BEN engine number in the software Code1 7 and Baud rate of the communication between Scanner and the ECU Switching off and on the ignition and a re enter the ID may reset this If not successful in reestablishing communication send the communication status information to Sun Electric for further investigation of c...

Page 41: ...ion cycle from a vehicle that provides control system operating parameters transmits Codes Data Hold For vehicles that transmit Codes Data to capture and hold a single data frame for review and or printing Data readings measured values are locked at that frame while the data parameters and code lines can be scrolled A data line may be held while the selected lines are either fixed or released Movi...

Page 42: ... 38 ...

Page 43: ... the Display 41 Entering Graphing Mode 42 Locking a parameter 43 Unlocking a parameter 43 Capturing data in Graphing Mode 43 Resetting Min Max Parameter Values 44 Exiting Graphing Mode 44 Trouble Shooting the Colour Graphing Scanner 45 Baud rate setting error 45 Communication error 46 Internal Battery Pack 47 Recharging Procedures 47 Battery Replacement Procedures 48 ...

Page 44: ...ng for parameter values to change Now full attention can be applied to the testing procedure with only an occa sional glance at the screen to see if the graph pattern has changed it allows the operator to quickly compare the activity of two parameter sig nals to see if they are synchronized or if they both respond correctly to changes in operating condition example comparing the crankshaft posi ti...

Page 45: ...rmined by the baud rate the data transmission speed of the ECU on the test vehicle not the baud rate setting of the Scanner The Scanner draws the graph from the right side to the left To get a rough idea of how quickly the ECU transmits data time how long it takes for the graph to fill the entire screen area when the Graphing Mode is activated for the first time on the vehicle The graphs on the sc...

Page 46: ...adually moves across the screen as the data continues to update Remember that the amount of time represented on the Scanner screen graph is dependent upon the baud rate of the ECU being tested Typically newer ECUs transmit data at a faster rate and the entire screen refreshes in about 20 seconds The screen updates considerably slower on older ECUs that have a lower baud rate Regardless of the data...

Page 47: ...appears to show the parameter is locked Refer to Figure 7 Scroll the thumbwheel until the second sensor parameter to be viewed displays on the bottom line Now the two graphs build simultaneously In this example there seems to be a relation between the parameters e g pulse width Unlocking a parameter Press Y again to unlock the top line of the display It is now possible again to scroll both lines t...

Page 48: ... to the left of the graph represent the highest and the lowest values the Scanner has displayed To recalculate minimum and maximum values in Graphing Mode press and hold the Graphing button for two seconds The values are changed to reflect the data that is visible on the screen Exiting Graphing Mode To exit Graphing Mode press the N button once The Scanner returns to the Graphing Scanner Menu Figu...

Page 49: ...00 and if the Graphing Mode is entered and the Y button is pressed the display will equal Figure 11 in stead of Figure 5 The Colour Graphing Scanner will try to set up communication at 4800 9600 and successively 19200 baud Refer to Figures 12 1 and 12 2 2 2 2 If the communication could not be set up the display will equal Figure 12 4 2 To proceed properly Press the N key to exit Select the correct...

Page 50: ...he Colour Graphing Scanner Communication error If a severe communication error happens the display equals Figure 13 Disconnect and reconnect the Data Cable to remove power This will reset the Colour Graphing Scanner ...

Page 51: ...y a screen message displays to alert you that keep alive battery voltage is low Remember to use only the battery adapter wall unit supplied with your Scanner to recharge the battery Part number of this adapter unit 115 V part number MT2500 600 2 230 V UK 7096E4060 95 230 V EU 7096E4060 96 Allow 8 hours to fully recharge the battery To recharge the battery plug the adapter lead into the right conne...

Page 52: ...ody and separate the wire con nector Figure 15 3 Connect the new battery pack to the Scanner making sure the connector is fully seated then slip the assembly back into the Scanner body 4 Fit the hand grip onto the end of the Scanner WARNING Do not dispose of the battery in fire A nickel metal hydrite battery is used in this product and may be considered hazardous waste Dispose of the old battery p...

Page 53: ...er with the EMB both slots in the Scanner are used One slot for the Vehicle Communication Interface VCI Contains the communication interface between the EMB Cartridge and the Vehicle One slot for the EMB Cartridge Contains the program s per car brand The Cartridges can be identified by the decal Installation Instructions 1 Insert the VCI Cartridge in the left hand slot at the bottom of the Scanner...

Page 54: ...stalling additional Primary Software on the EMB This procedure is described in the Operator s Manual of the ScanBay The ScanBay can download software onto the EMB Cartridge in order to update the software or expand the amount of Primaries installed ...

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