Outboard Engine Supplement
Contents
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3. 2005 Up 75 90hp 4 Erase Fault History This function clears the Fault History memory historic faults along with their occurrence times will be erased Run History The electronic control module has the ability to record the number of hours an engine has been operated within a predetermined set of RPM ranges This information provides the technician with a profile of how the engine has been operated The RPM ranges are shown below Under 1000 RPM 1000 1999 RPM 2000 2999 RPM 3000 3999 RPM 4000 4999 RPM 5000 5999 RPM 6000 6999 RPM Total Run Time To view Run History information select the Run History menu item then press YES The scanner will display the number of hours the engine has operated in various RPM ranges as well as the total number of hours the engine has logged After viewing the Run History data press the NO key to return to the main ECM system menu Page 51 This page intentionally left blank Page 52 2001 2006 115hp EFI 4 Cycle 2001 2006 115hp EFI 4 Stroke Mercury s 2001 thru 2006 115hp EFI 4 cycle engines with Yamaha powerheads are supported by the scan tool This system is equipped with a 2 connector Mitsubishi designed control module as shown in the photo above Connecting to the engine The scan tool provides an variety of diagnostic and support functions for troubleshooting engines equipped with this EFI system Connection and operation of the
4. mode This mode allows you to select and display a wide variety of engine sensor and operating information The displayed data is updated several times per second Use and V keys to scroll through the available data Use the NO key to exit the this mode and return to the main DFI menu Page 28 1997 2000 DFI ECM Fault History The DFT s engine control module contains a non volatile memory that is used to retain the number of times a fault has occurred To view Fault History information perform the following steps 1 Select the Fault History function from the scanner s DFI system menu 2 Usethe A and keys to recall and scroll through the Fault History occurrence counters Press NO to return to the main DFI system menu Run History The DFI control modules have the ability to record the number of hours an engine has been operated within a predetermined set of RPM ranges The Run History feature also includes additional data related to the length of time particular engine conditions have been present such as over temperature or RPM limit To view Run History information select the Run History menu item then press YES The scanner will display the total number of hours the engine has operated as well as the number of hours it has operated in various RPM ranges Engine fault timers will also be displayed Use and keys to scroll through the Run History data After viewing the Run History data press
5. Mercury s 2005 and newer 75hp and 90hp EFI 4 cycle engines with Yamaha powerheads are supported by the scan tool This system is equipped with a 2 connector Mitsubishi designed control module as shown in the photo above Connecting to the engine The scan tool provides an variety of diagnostic and support functions for troubleshooting engines equipped with this EFI system Connection and operation of the tool is simple and straight forward Adapter 94038 1 Locate the engine s 3 pin diagnostic link connector DLC 2 With the engine s ignition switch in the OFF position plug the scan tool s communication cable into the diagnostic connector Scan tool adapter 294038 is required for this application 3 Once connected turn the ignition switch ON and start the engine if necessary Page 49 2005 Up 75 90hp 4 Cycle 4 Afterthescan tool displays its initial opening messages use the and keys to display the Mercury Outboard operating mode from the main menu then press the YES key to select it Next select 05 Up 75 90 4 Cyc 75 90 HP 4 Stroke Main Menu After selecting the 05 Up 75 90 4 Cyc system type the scan tool will attempt to communicate with the ECM and automatically identify it The ECMs Hardware ID will be briefly displayed followed by the total number of operating hours the engine has logged After the initial info is displayed you will be presented with the following menu choices EC
6. s 4 pin diagnostic connector Connect the 94011 adapter to the engine s diagnostic connector Connect the scan tool to the adapter s round DIN connector Standing clear of all engine components you may now turn the engine s ignition switch ON Page 38 3 0L Carbureted Ignition ECM Obtaining Data After the scan tool displays its initial opening messages use the and V keys to display the Mercury Outboard operating mode from the main menu then press the YES key to select it Next select 3 0L IGNIT ECM to begin reading the ECM s data The scan tool will automatically provide the ECM s software revision number search for stored fault codes and then proceed to the live data scanning mode Diagnostic Link Connector Disconnecting the Scan Tool Be sure the engine s ignition switch is in the OFF position before disconnecting the scan tool or T harness adapter Disconnect the scan tool and adapter from the engine Reconnect the ECM s starboard harness if the 94012 T adapter was used Replace engine cover per Mercury s recommended procedures Page 39 This page intentionally left blank Page 40 Mercury Outboard 3 0L Fuel ECM 3 0L EFI Fuel ECM The scan tool is equipped with the ability to diagnose Mercury s 3 0L outboard EFI system This system incorporates a Denso Fuel ECM which is capable of providing a variety of diagnostic information to the scan tool Connecting to the 3 0L Fuel
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8. IDLING Refer to the engine manufacturer s safety instructions PRIOR to performing this test e Vessel should be secured to prevent movement After referring to the manufacturer s instructions and safety procedures for this procedure follow the scan tool s on screen prompts to proceed with the test Press and hold the NO key on the scan tool s keypad to stop the test at any time Tachometer Output Test The Tachometer Output test is primarily used to verify the operation of an external dash mounted analog engine tachometer This test will command the PCM to output a tach signal that is equivalent to 3000 rpm This test should be performed with Key On and Engine Off 1 Review the advisory message stated above and be sure the engine is not running when attempting to perform this test 2 After selecting the Tach Output test from the PCM Output Test menu the scanner will prompt you to begin the test To initiate the test press the FIRE TEST key The PCM s tachometer output will begin sending a signal equivalent to 3000 rpm to an externally attached usually dashboard mounted analog tachometer gauge The tach signal test will run for approximately 10 seconds Page 22 3 SmartCraft PCM You may press the FIRE TEST key again to repeat the test or press the NO key to return to the Output Test menu PCM Function Induced Misfire Test The Induced Misfire Test is designed to assist a technician in finding
9. You may press the NO key at any time to abort the Trim Limit setpoint procedure 4 To make the currently displayed setpoint permanent press the YES key The scanner will program the new setpoint into the PCM s memory and you will be returned to the scanner s PCM Functions menu PCM Function Set Trailer Limit Similarto the Set Trim Limit function described above some Mercury systems allow the trailering position ofthe propeller mechanism to be set This position is above the Trim Limit setpoint and is the upper limit of the propeller mechanism for trailering situations Follow the scan tool s on screen prompts to set the Trailer Limit PCM Function Oil Pump Prime This function commands the PCM to begin it s two stroke oil pump priming sequence Please refer to appropriate engine service documentation for the recommended use of this PCM function PCM Function Reset Break in Oiling This function resets the PCM s engine break in timer to provide increased oil needed to break in a new or newly rebuilt engine Please refer to appropriate engine service documentation for the recommended use of this PCM function PCM Function Tachometer Link Configuration This function allows the technician to configure the PCM for compatibility with two types of engine tachometers After selecting this function the scan tool will prompt the user to select either a System Link Tach or an Analog Tach Please refer to the tachometer s installation inst
10. display the Mercury Outboard operating mode from the main menu then press the YES key to select it Next select 824003 Fuel ECM 824003 ECM Main Menu After selecting the 824003 Fuel ECM system type you will be presented with two menu choices ECM Data Status Switches Use the A and V keys to select the desired menu item then press YES The menu items are described in the following sections ECM Data To obtain diagnostic data select the ECM Data function This mode allows you to select and display a variety of engine sensor and operating information The displayed data is updated several times per second Use the and WV keys to scroll through the available data Use the NO key to exit this mode and return to the main ECM menu Status Switches To obtain status information select the Status Switches function This mode displays the real time status of engine sensors and switches The displayed data is updated several times per second Use the A and W keys to scroll through the available data Use the NO key to exit the Status Switches mode and return to the main ECM menu Page 36 3 0L Carbureted Ignition ECM 3 0L Ignition ECM The Scan tool is equipped with the ability to diagnose Mercury s 3 0L outboard ignition system This system incorporates a Denso electronic ignition control module and was used on 1994 and later 3 0L 185c 1 225 HP carbureted outboard motors Connecting to the
11. fuel injector you wish to test by using the and V keys To begin firing the selected injector press the FIRE TEST key This action will being actuating the fuel injector at a speed equivalent to 1600 rpm for a period of approximately 10 seconds To abort the Fuel Injector test at any time press and hold the scanner s NO key 4 After the test is complete you may return to step 3 to test another injector or press the NO key to return to the scanner s Output Test menu Direct Injector Output Test Available on direct injected OptiMax engines This test allows individual direct injectors to be actuated to verify their operation This test helps a technician verify that a particular direct injector is receiving a command signal from the PCM e IMPORTANT Before performing this test the engine s electric fuel pump should be disabled Disabling of the fuel pump may be accomplished by removing the fuel pump fuse or disconnecting the pump s electrical connector Page 17 SmartCraft PCM 1 2 3 This test should be performed with Key On and Engine Off Review the warnings stated above and be sure the engine is not running when attempting to perform this test After selecting the Direct Inj Test function from the PCM Output Test menu the scanner will begin to display several warning messages Review these messages and be certain their instructions are followed When the warning messages have been displayed yo
12. period of five seconds This test should be performed with Key On and Engine Off 1 Review the advisory message stated above and be sure the engine is not running when attempting to perform this test 2 After selecting the Oil Pump Test test from the Output Tests menu the scanner will prompt you to begin the test To initiate the test press the FIRE TEST key The fuel pump relay will be activated for approximately one second 3 You may press the FIRE TEST key again to repeat the test or press the NO key to return to the Output Tests menu Main Power Relay Output Test This test will cause the ECM to energize the engine s main power relay Upon executing this test the technician should listen for relay mechanical activity The main power relay will be momentarily activated This test should be performed with Key On and Engine Off Page 32 1997 2000 DFI ECM 1 Review the advisory message stated above and be sure the engine 1s not running when attempting to perform this test 2 After selecting the Main Power Relay test from the Output Tests menu the scanner will prompt you to begin the test To initiate the test press the FIRE TEST key The main power relay will be momentarily activated 3 You may press the FIRE TEST key again to repeat the test or press the NO key to return to the Output Tests menu Cylinder Misfire Test The Induced Misfire Test is designed to assist a technician in findi
13. respective holders Table of Contents Safety Precautions 2 Overview 8 System 3 Scan Tool Function Flowcharts 6 System Descriptions Smartcraft PCM systems 11 1997 2000 DFI ECM 25 Mercury 824003 Fuel 35 3 0L Carbureted IgnitionECM 37 3 0L EFI Fuel 41 2 5L Hi Perf Racing ECM 43 1998 2005 2 amp 3 Cylinder Carb 4 Cycle ECM 45 2006 Up 25 EFI 4 Cycle 47 2005 Up 75 90 EFI 4 Cycle 49 2001 2006 115hp EFI 4 CycleECM 53 Outboard Engine Adapter Reference 57 Page 1 Safety Precautions Before attempting to use the Scan Tool please read and observe the following safety precautions e Always refer to and follow the engine and boat manufacturer s safety and service procedures to prevent personal injury and equipment damage e Never connect or disconnect the scan tool with the vehicle s ignition turned ON or while the engine is running e Always stay clear of any moving or movable engine components when connecting and using the scan tool When working near marine batteries never use any device that 15 capable of producing a spark high temperature or open flame Marine batteries contain sulfuric acid and produce highly explosive gasses that may ignite To prevent
14. the NO key to return to the main DFI system menu Erase Fault History This function clears the Fault History memory The Fault history counters will be reset to zero after this function is executed Note On pre 1998 DFI engines the fault history cannot be erased Erase Run History This function clears the Run History memory The all accumulated Run History data will be reset to zero after this function is executed Please note that ECM Run Time will not be cleared This value is not erasable Output Tests The Output Test menu provides a technician with the ability to exercise various ECM actuators and controls in order to verify correct operation Available output tests are Fuel Injector Test Direct Injector Test Ignition Coil Test Oil Pump Test Main Power Relay Page 29 1997 2000 DFI ECM Fuel Injector Output Test The Fuel Injector output test allows individual fuel injectors to be actuated to verify their operation This test helps a technician verify that a particular fuel injector is receiving a command signal from the ECM This test will not reveal if an injector is clogged internally leaking or mechanically worn e IMPORTANT Before performing this test the engine s electric fuel pump should be disabled Disabling of the fuel pump may be accomplished by removing the fuel pump fuse or disconnecting the pump s electrical connector This test should be performed with Key On and Engine Off 1 Review the war
15. to view a profile of how a particular engine has been operated To view RPM History information perform the following steps Page 14 SmartCraft PCM 1 After selecting the RPM History function from the scanner s Smartcraft PCM menu you will be presented with a sub menu containing the following choices Read RPM History Erase RPM Hist 2 Select the Read RPM History menu item then press YES The scanner will now read the PCM s RPM History Memory and display the number of hours the engine has operated in 9 sets of RPM ranges Usethe A and keys to scroll through the RPM History data After viewing the RPM History data press the NO key to return to the RPM History menu Erase RPM History This function clears the RPM History memory The accumulated hours recorded for each of the nine RPM ranges will be reset to zero after this function is executed Please note that the Total Operating Hours will not be cleared This value is not erasable PCM System Info The PCM control module contains an area of memory that is used to store helpful text information for the service technician This information consists of many lines oftext which describe basic engine settings capacities etc as well as PCM software revision information The System Info data is entered into the PCM s memory at the factory and may be read by performing the following steps 1 After selecting the PCM System Info function from the main Smartcraft PCM
16. tool is simple and straight forward Adapter 94038 1 Locate the engine s 3 pin diagnostic link connector DLC 2 With the engine s ignition switch in the OFF position plug the scan tool s communication cable into the diagnostic connector Scan tool adapter 294038 is required for this application 3 Once connected turn the ignition switch ON and start the engine if necessary Page 53 2001 2006 115 4 4 After the scan tool displays its initial opening messages use the A and keys to display the Mercury Outboard operating mode from the main menu then press the YES key to select it Next select 01 06 115 4 Cyc 115 HP 4 Stroke Main Menu After selecting the 01 06 115 4 Cyc system type the scan tool will attempt to communicate with the ECM and automatically identify it The ECMs Hardware ID will be briefly displayed followed by the total number of operating hours the engine has logged After the initial info is displayed you will be presented with the following menu choices ECM Data Fault Codes Fault History Erase Fault History Run History Use the A and V keys to select the desired menu item then press YES The menu items are described in the following sections ECM Data To obtain diagnostic data select the ECM Data function This mode allows you to select and display a variety of engine sensor and operating information The displayed data is updated several ti
17. 3 0L Carbureted Outboard Connection of the scan tool to the Mercury outboard ignition system requires the use of a special adapter Presently there are two adapters available for this system as shown below The 1994 model year 3 0L ignition modules were not equipped with a diagnostic connector and require the use of a T Adapter harness 94012 The 1995 and later 3 0L ignition modules were equipped with a 4 pin diagnostic connector and require scan tool adapter 94011 94012 94011 T Adapter 4 pin Adapter Be sure the Engine s Ignition Switch is in the OFF position before connecting the scan tool to the ignition system Page 37 3 0L Carbureted Ignition ECM If you are using the 94012 T Adapter Harness 1 2 3 4 5 6 7 Be sure the engine is turned OFF Remove the 3 0L engine cover per Mercury s recommended procedure Locate the ECM module as shown below Disconnect the ECM s starboard engine harness connector Connect the T Adapter into the ECM s starboard wiring harness as shown below Connect the scan tool to the T Adapter s round DIN connector Standing clear of all engine components you may now turn the engine s ignition switch ON T Adapter Harness Connect Scan Tool T Adapter Harness Installation If you are using the 94011 adapter 1 2 3 4 5 6 Be sure the engine is turned OFF Remove the 3 0L engine cover per Mercury s recommended procedure Locate the ECM
18. After selecting the Direct Inj Test function from the Output Tests menu the scanner will begin to display several warning messages Review these messages and be certain their instructions are followed When the warning messages have been displayed you may select the direct injector you wish to test by using the and V keys To begin firing the selected injector press the FIRE TEST key This action will being actuating the direct injector for a few seconds To abort the Fuel Injector test at any time press and hold the scanner s NO key After the test is complete you may return to step 3 to test another injector or press the NO key to return to the Output Tests menu Ignition Coil Output Test The Ignition Coil output test allows individual coils and their associated spark outputs to be fired to verify their operation This test requires that a spark gap tester be used to verify proper ignition coil operation This test helps a technician verify that a particular ignition coil is receiving a command signal from the ECM and that the coil s high voltage output is sufficient to generate a spark discharge WARNING Use of spark gap tester is required for this test Do not perform this test with the ignition wires attached to the engine s spark plugs while they are installed in the cylinders Engine backfire and external flame can occur As a safety precaution purge fuel vapors from the engine before proceeding An approved sp
19. ECM Connection of the scan tool to the 3 0L Fuel ECM requires the use of adapter 9401 1 as shown below 94011 4 pin Adapter Be sure the Engine s Ignition Switch is in the OFF position before proceeding with the following steps 1 Be sure the engine is turned OFF 2 Remove the 3 0L engine cover per Mercury s recommended procedure Page 41 Mercury Outboard 3 0L Fuel ECM 3 Locate the ECM s 4 pin diagnostic connector 4 Connect the 94011 adapter to the engine s diagnostic 1 connector as shown below 5 Connect the scan tool to the adapter s round DIN connector 6 Standing clear of all engine components you may now turn the engine s ignition switch ON Diagnostic Link Connector Obtaining Data Select the 3 0L Fuel ECM option from the scan tool s Mercury Outboard menu to begin reading the ECM s data Follow the prompts to read live data status switches and sensor history data Sensor history data is not retained by the Fuel ECM after it has been powered OFF The history data pertains to the engine s current operating period since it has been powered ON Turning the ignition switch OFF then ON will clear the Pass Fail sensor history data Disconnecting the Scan Tool Shut the engine s ignition switch OFF Disconnect the scan tool adapter from the data connector Replace engine cover per Mercury s recommended procedures Page 42 Mercury Racing 2 5L ECM Mercury Racing 2 5L EC
20. Fault Seconds described in the next paragraph will be completely erased Fault Seconds When critical faults occur and remain active the PCM keeps track of how many seconds the fault has persisted during engine operation The type and number of critical faults this function keeps track of is pre selected by the engine manufacturer PCM faults do not have an associated Fault Second counter assigned to them only a select number of fault types are kept track of To view Fault Seconds information perform the following steps 1 After selecting the Fault History function from the scanner s Smartcraft PCM menu you will be presented with a sub menu having two choices Read Fault Hist Read Fault Sec 2 Select the Read Fault Sec menu item then press YES The scanner will now read the PCM s Fault Second Memory and display the number of seconds each critical fault has persisted Use the and V keys to recall and scroll through the Fault Second data After viewing the Fault Second data press the NO key to return to the Fault History access mode Note The Fault Seconds information is erased when the Fault History s Freeze Frame Memory is cleared See the prior section describing Fault History for details RPM History PCM control modules have the ability to record the number of hours an engine has been operated within a predetermined set of RPM ranges These ranges are set at the factory and allow a service technician
21. Fuel Inj Test Direct Inj Test Ign Coil Test Oil Pump Test Main Power Relay Fuel Pump Ignition Coils Warning Horn IAC Test Boost Valve Throttle Motor Gear Shift Motor Tach Output Page 16 SmartCraft PCM The sections presented on the following pages will provide specific details on each output test Note All output tests are NOT available on all engines Fuel Injector Output Test The Fuel Injector output test allows individual fuel injectors to be actuated to verify their operation The fuel injector under test will be fired at a rate equivalent to 1600 rpm This test helps a technician verify that a particular fuel injector is receiving a command signal from the PCM This test will not reveal if an injector is clogged internally leaking or mechanically worn e IMPORTANT Before performing this test the engine s electric fuel pump should be disabled Disabling of the fuel pump may be accomplished by removing the fuel pump fuse or disconnecting the pump s electrical connector This test should be performed with Key On and Engine Off 1 Review the warnings stated above and be sure the engine is not running when attempting to perform this test 2 After selecting the Fuel Inj Test function from the PCM Output Test menu the scanner will begin to display several warning messages Review these messages and be certain their instructions are followed 3 When the warning messages have been displayed you may select the
22. M Data Fault Codes Fault History Erase Fault History Run History Use the A and V keys to select the desired menu item then press YES The menu items are described in the following sections ECM Data To obtain diagnostic data select the ECM Data function This mode allows you to select and display a variety of engine sensor and operating information The displayed data is updated several times per second Use the and V keys to scroll through the available data Use the NO key to exit this mode and return to the main ECM system menu Fault Codes Use this function to view any currently active faults Upon selecting this function the scan tool will query the ECM for its stored faults and display both the fault code number as well as a description of the fault After all faults are displayed the scan tool will prompt you to either review the faults or exit to the main ECM system menu Fault History The engine control module contains a non volatile memory that is used to retain historic fault information The ECM is capable of retaining up to 5 historic faults along with the specific time in engine operating hours that the fault occurred Upon selecting the Fault History function the scan tool will display each historic fault that the ECM has logged followed by the time of occurrence After all historic faults are displayed the scan tool will prompt you to either review the faults or exit to the main ECM system menu Page 50
23. M Shown with cover removed The scan tool is equipped with the ability to diagnose Mercury Racing s 2 5L EFI system This system incorporates an ECM produced by Fuel Management Systems FMS andis capable of providing a variety of diagnostic information to the scan tool Connecting to the 2 5L Hi Performance ECM Connection of the scan tool to the Hi Performance ECM requires the use of adapter 94013 as shown below Be sure the Engine s Ignition Switch is in the OFF position before proceeding with the following steps 94013 5 pin Adapter 1 Be sure the engine is turned OFF 2 Locate the data link connector as shown above ECM is shown with cover removed data link connector is accessible without removing cover Page 43 Mercury Racing 2 5L ECM 3 Connect the 94013 adapter to the data connector 4 Connect the scan tool to the adapter s round DIN connector 5 Standing clear of all engine components turn the engine s ignition switch ON Obtaining Data Select the 2 5L Hi Perf ECM option from the scan tool s Mercury Outboard menu to begin reading the ECM s data Follow the scan tool s prompts to read ECM data and status information Disconnecting the Scan Tool Shut the engine s ignition switch OFF Disconnect the scan tool adapter from the ECM s data link connector Page 44 1998 2005 2 amp 3 Cylinder Carb 4 Cycle P N WHERE FSTRO1 2 878438 03 14 2029 Mercury 24 Carburete
24. MerCruiser TechMate SCAN TOOL Outboard Engine Supplement Version 6 Software Rinda Technologies Inc www rinda com MerCruiser TechMate SCAN TOOL Outboard Engine Supplement Rinda Technologies Inc 4563 N Elston Ave Chicago IL 60630 USA Tel 773 736 6633 Fax 773 736 2950 Web www rinda com Limited Warranty To the original purchaser only Rinda Technologies Inc warrants the supplied scan tool hardware to be free from defects in materials and workmanship under normal use for a period of 1 year from date of purchase as evidenced by a copy of the sales receipt Rinda Technologies Inc makes no other express warranties on the hardware products The purchaser s sole remedy in the event of a breach of warranty is expressly limited to repair of the defective scan tool hardware Repair parts and replacement hardware products will be provided on an exchange basis and will be either reconditioned or new All replaced parts become property of Rinda Technologies Inc This limited warranty does not cover damage to the products resulting from misuse accident disaster abuse negligence improper maintenance or modification and or repair of the hardware product other than by Rinda Technologies Inc The software components in the scan tool are believed to be accurate Rinda Technologies Inc does not warrant that the operation ofthe software will be uninterrupted or error free Further Rinda Technologies Inc does not warra
25. System Support The Mercruiser and TechMate scan tools support a variety of Mercury outboard electronic engine control systems Following is a general summary of supported system types For specific details please refer to the appropriate section of this manual based upon the type of engine control module ECM you are working with Outboard control systems supported e Mercury PCM 555 ECM 555 equipped Smartcraft ECMs e Mercury 1997 2000 DFI ECMs Mercury 824003 Fuel ECM Mercury 3 0L Ignition ECM e Mercury 3 0L Fuel ECM e Mercury Racing 2 5L hi perf FMS ECM e Mercury 25 30 40 50 60 HP 4 strokes 24 pin Motorola ECM 25 30 HP EFI 4 strokes with Tohatsu powerheads e Mercury 75 90 115 HP EFI 4 strokes with Yamaha powerheads Page 3 Function Flowcharts ees a npouu 423 SW saulbua IH 1577 2667 sujoddns 0 nuo2 143 osuag 107 Anaw 50661 Suoddns H d H 1S 9nd 1076 aed 1xeu 9 uoniubi osuag sauibua 1076 50661 Suoddns uonimbr 10 N23 suwung 5e 0 00 28 padddinba 14d uou ex0 n5 z Jaune 50661 Jo e suoddns W23 00b 83t ino49N sauibua Jaunew
26. a problematic cylinder This test commands the PCM module to disable the fuel injector on a selected cylinder thereby causing that cylinder to misfire not produce power Perform the following steps to conduct the induced misfire test 1 2 3 4 IMPORTANT This test should be performed with the engine running at approximately 1500 rpm at normal operating temperature and under moderate load Do not attempt to drive the boat while performing this test Follow all engine and boat manufacturer s safety precautions and stay clear of all moving engine components Review the warnings stated above prior to conducting this test For best results the engine should be running at approximately 1500 rpm and under a moderate load After selecting the Induced Misfire function from the PCM Functions menu the scanner will begin to display one or more advisory messages Review these messages and be certain their instructions are followed When the advisory messages have been displayed you may select the cylinder you wish to disable by using the A and V keys To begin the test press the FIRE I TEST key This action will command PCM to disable the fuel injector on the selected cylinder for approximately 10 seconds During this time you should hear a noticeable decrease in engine speed This decrease indicates that the selected cylinder was contributing power to the system If a decrease in engine speed is not heard during the cour
27. and start the engine if necessary Page 27 1997 2000 DFI ECM 4 After the scan tool displays its initial opening messages use the A and W keys to display the Mercury Outboard operating mode from the main menu then press the YES key to select it Next select 97 2000 DFI ECM DFI Main Menu After selecting the 97 2000 DFI ECM system type you will be presented with several menu choices as follows ECM Data Fault History Run History Erase Fault History Erase Run History Output Tests Cylinder Misfire Rest Break In Oiling PCM System Info Use the A and V keys to select the desired menu item then press YES The menu items are described in the following sections ECM Data To obtain diagnostic data and system fault codes select the ECM Data function The scanner will prompt for your input as follows 1 2 3 After selecting the ECM Data function the scanner will prompt you to display any currently stored system faults Selecting YES will cause the scanner to interrogate the ECM s Fault Memory If any faults are present their descriptions will be displayed When all faults from the ECM s Fault Memory have been displayed the scanner will provide you with the option of reviewing the faults or erasing them The erase function will clear the ECM s Fault Memory to eradicate the faults After the scanner has exited it s fault access mode the tool will enter its Scanner
28. ark gap tester must be attached to the spark output under test See the spark gap tester s instructions for proper installation adjustment and use IMPORTANT Before performing this test the engine s electric fuel pump should be disabled Disabling of the fuel pump may be accomplished by removing the fuel pump fuse or disconnecting the pump s electrical connector This test should be performed with Key On and Engine Off Page 31 1997 2000 DFI ECM 1 Review the warnings stated above and be sure the engine is not running when attempting to perform this test 2 After selecting the Ignition Coil function from the Output Tests menu the scanner will begin to display several warning messages Review these messages and be certain their instructions are followed 3 When the warning messages have been displayed you may select the ignition coil you wish to test by using the A and V keys To begin firing the selected coil press the FIRE TEST key This action will begin firing the ignition coil for a few seconds To abort the Ignition Coil test at any time press and hold the scanner s NO key 4 After the test is complete you may return to step 3 to test another ignition coil or press the NO key to return to the Output Tests menu Oil Pump Output Test This test will cause the ECM to energize the oil pump Upon executing this test the technician should listen for oil pump mechanical activity The oil pump will be activated for a
29. d 4 Stroke ECM This system type applies to two and three cylinder 25HP 30HP 40HP 50HP and 60HP carbureted 4 stroke engines produced by Mercury between 1998 and 2005 Many of these models were equipped with a 24 pin ECM module that provided spark control and automatic fuel enrichment functions This system was equipped with a coolant temperature sensor crank position sensor oil pressure switch as well as a small number of output devices solenoids etc The scan tool provides access to the ECM s sensor and status data no fault codes are used with this system type Connecting to the Engine 2 adapters are required as shown below Adapter 94011 94037 In Line Power Adapter Page 45 1998 2005 2 amp 3 Cylinder Carb 4 Cycle Engines equipped with this ECM type do not have battery power available from the engine diagnostic connector as a result a second intermediate adapter must be used to provide battery power to the scan tool To connect use the following steps 1 Locate the engine s 4 pin diagnostic link connector DLC 2 Plug adapter 294028 into the engines DLC The 94037 In Line Power Adapter must then be inserted between the 94028 adapter and the scan tool s round 6 pin DIN connector After the connections are made attach the 94037 adapter s Red and Black power wires to a suitable 12 vdc power source Attach the Red clip to 12 and the Black clip to the power source ground These connections are nece
30. e engine manufacturer s troubleshooting procedures to isolate the problem component To Abort the Induced Misfire Test at any time press and hold the scanner s NO key 4 After the testis complete you may return to step 3 to test another cylinder or press the NO key to return to the main DFI system menu Page 33 1997 2000 DFI ECM Reset Break in Oiling This function resets the ECM s engine break in timer to provide increased oil needed to break in a new or newly rebuilt engine Please refer to appropriate engine service documentation for the recommended use of this ECM function ECM System Info The DFI electronic control module contains an area of memory that is used to store helpful text information for the service technician This information consists of many lines of text which describe basic engine settings capacities etc as well as ECM software revision information The System Info data is entered into the ECM s memory at the factory and may be read by performing the following steps 1 After selecting the ECM System Info function from the main DFI menu the scanner will begin to display the first line of System Info text from the ECM s memory Use the following keys to navigate through the multiple lines of System Info text information Keys to control System Info display Use the A key to repeat the line of information currently scrolling across the scanner s display screen Use the V key to skip to t
31. e returned to the scanner s PCM Output Test menu PCM Function Boost Valve Test Verado Only This test allows a technician to check the functionality of the engine s boost valve The test allows the boost valve duty cycle to varied in 596 increments using the scan tool s A and V keys This test must be performed with Key On Engine Off Follow the scan tool s on screen prompts to proceed with the test Press and hold the NO key on the scan tool s keypad to stop the test at any time Page 21 SmartCraft PCM PCM Function Throttle Motor Test DTS systems only This test allows a technician to check the functionality of the engine s electronic throttle actuator motor The test allows the throttle blade to be moved in 5 degree increments using the scan tool s A and V keys and also displays the current TPS voltages in real time e This test must be performed with Key On Engine Off Follow the scan tool s on screen prompts to proceed with the test Press and hold the NO key on the scan tool s keypad to stop the test at any time PCM Function Gear Shift Motor Test DTS systems only This test allows the technician to test the functionality of the gear shift actuator mechanism by commanding it to move into the Forward and Reverse positions WARNING This test causes the vessel s sterndrive to shift into forward and reverse thereby causing the vessel to move e This test must be performed in NEUTRAL with the engine
32. ents To view Fault History information perform the following steps 1 2 3 After selecting the Fault History function from the scanner s SmartCraft PCM menu you will be presented with a sub menu containing the following choices Read Fault Hist Read Fault Sec Select the Read Fault Hist menu item then press YES The scanner will now interrogate the PCM s Freeze Frame Memory to determine if any faults have occurred in the past Ifany faults are found their descriptions will be displayed After the scanner displays a fault description it will give you the option to access the fault s associated Freeze Frame engine data This data represents a snapshot of various engine parameters at the time the fault was detected Use the keys to recall and scroll through the fault s Freeze Frame data After viewing the Freeze Frame data press NO to return to the Fault History access mode Page 13 SmartCraft PCM Note While displaying Freeze Frame data a ff will appear on the left side of the second line of the scanner s display 4 When all faults from the PCM s Freeze Frame Memory have been displayed the scanner will provide you with the option of reviewing the faults or erasing them The erase function will clear the PCM s Freeze Frame Memory to eradicate the PCM s fault history data The faults and associated snapshot engine data stored in the PCM s Freeze Frame Memory including
33. gine has been operated The RPM ranges are shown below Under 1000 RPM 1000 1999 RPM 2000 2999 RPM 3000 3999 RPM 4000 4999 RPM 5000 5999 RPM 6000 6999 RPM Total Run Time To view Run History information select the Run History menu item then press YES The scanner will display the number of hours the engine has operated in various RPM ranges as well as the total number of hours the engine has logged After viewing the Run History data press the NO key to return to the main ECM system menu Page 55 This page intentionally left blank Page 56 Outboard Engine Adapter Reference Adapter 94006 Used on most 2003 and up Mercury outboards with PCM 555 ECM 555 control modules See page 11 Adapter 94011 Used on 1995 99 Mercury 3 0L Carbureted and 3 0L EFI engines with Denso ECMs Also used on 1998 052 amp 3 cylinder carbureted 4 stroke engines with 24 pin ECM See pages 37 41 and 45 Page 57 Outboard Engine Adapter Reference Adapter 94012 Legacy adapter used on 1994 Mercury 3 0L Carbureted engines with Denso ECMs Adapter is shown for reference only no longer in production See page 37 Adapter 94013 Used on 1990s Mercury Racing 2 5L outboards with FMS ECM See page 43 Page 58 Outboard Engine Adapter Reference Adapter 94028 Used on many 1990s Mercury 2 stroke EFI outboards equipped with 824003 ECM Also used on late 1990s DFI engines and early Smartcraft compatible
34. he fault was detected Use the A and V keys to recall and scroll through the fault s Freeze Frame data After viewing the Freeze Frame data press the NO key to return to the Fault Memory access mode Note While displaying Freeze Frame data a ff will appear on the left side of the second line of the scanner display When all faults from the PCM s Fault Memory have been displayed the scanner will provide you with the option ofreviewing the faults or erasing them The erase function will clear the PCM s Fault Memory to eradicate the faults that were stored during the present Ignition ON cycle The faults and associated snapshot engine data stored in the PCM s Freeze Frame Memory will not be erased After the scanner has exited it s fault access mode the tool will enter its Scanner mode This mode allows you to select and display a wide variety of engine sensor and operating information The displayed data is updated several times per second Use the and V keys to scroll through the available data Use the NO key to exit the Scanner mode and return to the main menu Fault History The PCM 555 control module contains a non volatile memory that is used to retain fault and operating history information This information is retained in the PCM even if power is removed from the system and allows historical operating information to be recalled This information is designed to aid a technician in diagnosing intermittent and past ev
35. he next available line of system information Use the PAUSE key to momentarily pause the scrolling display Use the NO key to abort the System Info function and return to the main DFI system menu 2 After the scanner displays the last line of system information it will automatically return to the main DFI system menu Page 34 Mercury 824003 Fuel ECM Mercury 824003 Fuel ECM This section describes scan tool functions related to Mercury s 824004 Fuel ECM This engine control module was used on a variety of 2 stroke Mercury and Mariner outboard EFI engines in the 1990s Connecting to the engine Engines equipped with the 824003 electronic control module have a 2 pin diagnostic connector which requires scan tool adapter 94028 1 Locate the engine s 2 pin diagnostic connector DLC This connector is typically on the bottom side ofthe ECM near the large umbilical harness that exits the ECM casing 2 With the engine s ignition switch in the OFF position plug the scan tool s communication cable into the diagnostic connector Scan tool adapter 94028 is required Note that the 94028 adapter has as separate battery and ground clips that must be connected Red to 12vdc and Black to engine ground Adapter 94028 3 Once connected turn the ignition switch ON and start the engine if necessary Page 35 Mercury 824003 Fuel ECM 4 After the scan tool displays its initial opening messages use the A and keys to
36. menu the scanner will begin to display the first line of System Info text from the PCM s memory Use the following keys to navigate through the multiple lines of System Info text information Keys to control System Info display Usethe A key to repeat the line of information currently scrolling across the scanner s display screen Usethe W key to skip to the next available line of system information Use the PAUSE key to momentarily pause the scrolling display Use the NO key to abort the System Info function and return to the main SmartCraft PCM menu 2 After the scanner displays the last line of system information it will automatically return to the main Smartcraft PCM menu Page 15 SmartCraft PCM PCM Functions The PCM Functions menu option allows a technician to access a variety of PCM functional tests and settings To access the PCM Functions menu perform the following steps 1 After selecting PCM Functions from the scanner s Smartcraft PCM menu you will be presented with a sub menu containing the following choices Output Tests Induced Misfire Set Engine Loc Set Trim Limit Trailer Limit Oil Pump Prime Reset Brk In Oil Tach Link Config 2 Usethe A and V keys to select the desired menu item then press YES PCM Function Output Tests The Output Test menu provides a technician with the ability to exercise various PCM actuators and controls in order to verify correct operation Available output tests are
37. mes per second Use the and V keys to scroll through the available data Use the NO key to exit this mode and return to the main ECM system menu Fault Codes Use this function to view any currently active faults Upon selecting this function the scan tool will query the ECM for its stored faults and display both the fault code number as well as a description of the fault After all faults are displayed the scan tool will prompt you to either review the faults or exit to the main ECM system menu Fault History The engine control module contains a non volatile memory that is used to retain historic fault information The ECM is capable of retaining up to 5 historic faults along with the specific time in engine operating hours that the fault occurred Upon selecting the Fault History function the scan tool will display each historic fault that the ECM has logged followed by the time of occurrence After all historic faults are displayed the scan tool will prompt you to either review the faults or exit to the main ECM system menu Page 54 2001 2006 115hp EFI 4 Cycle Erase Fault History This function clears the Fault History memory historic faults along with their occurrence times will be erased Run History The electronic control module has the ability to record the number of hours an engine has been operated within a predetermined set of RPM ranges This information provides the technician with a profile of how the en
38. ng a problematic cylinder This test commands the ECM module to disable the fuel injector on a selected cylinder thereby causing that cylinder to misfire not produce power Perform the following steps to conduct the induced misfire test Donot attempt to drive the boat while performing this test e Follow all engine and boat manufacturer s safety precautions and stay clear of all moving engine components 1 Review the warnings stated above prior to conducting this test For best results the engine should be running at approximately 1500 rpm and under a moderate load 2 After selecting the Induced Misfire function from the ECM Functions menu the scanner will begin to display one or more advisory messages Review these messages and be certain their instructions are followed 3 When the advisory messages have been displayed you may select the cylinder you wish to disable by using the A and V keys To begin the test press the FIRE I TEST key This action will command the ECM to disable the fuel injector on the selected cylinder for approximately 10 seconds During this time you should hear a noticeable decrease in engine speed This decrease indicates that the selected cylinder was contributing power to the system If a decrease in engine speed is not heard during the course of this test it may indicate a problem with one or more cylinder components including the fuel injector ignition coil spark plug or other component Refer to th
39. nings stated above and be sure the engine is not running when attempting to perform this test 2 After selecting the Fuel Inj Test function from the Output Tests menu the scanner will begin to display several warning messages Review these messages and be certain their instructions are followed 3 When the warning messages have been displayed you may select the fuel injector you wish to test by using the and V keys To begin firing the selected injector press the FIRE TEST key This action will actuate the fuel injector fora few seconds To abort the Fuel Injector test at any time press and hold the scanner s NO key 4 Afterthetestis complete you may return to step 3 to test another injector or press the NO key to return to the Output Tests menu Direct Injector Output Test This test allows individual direct injectors to be actuated to verify their operation This test helps a technician verify that a particular direct injector is receiving a command signal from the ECM e IMPORTANT Before performing this test the engine s electric fuel pump should be disabled Disabling of the fuel pump may be accomplished by removing the fuel pump fuse or disconnecting the pump s electrical connector This test should be performed with Key On and Engine Off Page 30 1 2 3 4 1997 2000 DFI ECM Review the warnings stated above and be sure the engine is not running when attempting to perform this test
40. nt or guarantee the use of or the results ofthe use of the software in terms of correctness accuracy reliability currentness or otherwise Limitation of Liability Neither Rinda Technologies Inc nor its authorized dealer shall be liable for any defect indirect incidental special or consequential damages whether in an action in contract or tort including negligence and strict liability such as but not limited to loss of anticipated profits or benefits resulting from the use of this scan tool and its software or any breach of any warranty even if Rinda Technologies or its authorized dealer has been advised ofthe possibility of such damages In no event will Rinda Technologies Inc or its authorized dealer s liability exceed the price paid for the product The information presented in this manual is believed to be accurate Responsibility for errors omission of information or consequences resulting from the use of this information cannot be assumed by Rinda Technologies Inc Rinda Technologies Inc retains all rights to make changes to specifications at any time without notice Reproduction of this manual in whole or in part is forbidden without the express written permission of Rinda Technologies Inc Manual contents including photographs Copyright 2010 Rinda Technologies Inc rights reserved worldwide Mercury and SmartCraft are registered trademarks of Brunswick Corp All other trademarks are properties of their
41. outboards equipped with PCM 555 control module See pages 11 27 and 35 Adapter 94037 In Line power adapter used in conjunction with 94011 adapter on 1998 05 2 amp 3 cylinder carbureted 4 stroke engines with 24 pin ECM See page 45 Page 59 Outboard Engine Adapter Reference Adapter 94038 Used on 2005 Up Mercury 75hp 90hp EFI 4 stroke engines equipped with 2 connector Mitsubishi ECM Also used on 2001 2006 Mercury 115hp 4 stroke engines equipped with 2 connector Mitsubishi ECM These engines have Yamaha powerheads See pages 49 and 53 Adapter 94039 Used on 2006 Up Mercury 25hp and 30hp fuel injected 4 stroke engines with Tohatsu powerheads See page 47 Page 60 Notes Page 61 Page 63 Rinda Technologies Inc 4563 N Elston Ave Chicago IL 60630 USA Tel 773 736 6633 Fax 773 736 2950 www rinda com
42. ructions for further assistance on selecting the correct setting Page 25 This page intentionally left blank Page 26 1997 2000 DFI ECM masa ns LJ 200110619 18 100 01 168898 ANOO W93 140 SLL Non SmartCraft Mercury DFI ECM This section describes scan tool functions related to Mercury DFI pre 2001 outboard engines These engines were equipped with ECM modules that pre dated the introduction of SmartCraft Please note however that these ECMs look nearly identical to SmartCraft compatible PCM 555 modules used on 2001 and later engines They are not functionally the same and have different diagnostic capabilities Connecting to a DFl engine The scan tool provides a variety of diagnostic and support functions for troubleshooting engines equipped with the DFI engine control system Connection and operation of the tool is simple and straight forward 1 Locate the engine s 2 pin diagnostic connector DLC The location of this connector is specified in the engine s service manual and may vary depending upon the engine type Adapter 94028 2 With the engine s ignition switch in the OFF position plug the scan tool s communication cable into the diagnostic connector Scan tool adapter 94028 is required Note that the 94028 adapter has a separate battery and ground clips that must be connected Red to 12vdc and Black to engine ground 3 Once connected turn the ignition switch ON
43. se of this test it may indicate a problem with one or more cylinder components including the fuel injector ignition coil spark plug or other component Refer to the engine manufacturer s troubleshooting procedures to isolate the problem component To Abort the Induced Misfire Test at any time press and hold the scanner s NO key After the test is complete you may return to step 3 to test another cylinder or press the NO key to return to the scanner s PCM Functions menu Page 23 SmartCraft PCM PCM Function Set Engine Location This function allows the technician to read and modify the PCM s engine location setting All engines shipped from the factory are configured as STARBOARD Multi engine installations may require an alternate setting when used within a SmartCraft system Refer to the engine and boat manufacturer s installation procedures for the correct setting Available PCM engine location settings are as follows STARBOARD PORT STARBRD 2 INSIDE PORT 2 INSIDE Perform the following steps to read and change the Engine Location setting This test should be performed with Key On and Engine Off 1 Review the advisory message stated above prior to performing this function 2 After selecting the Set Engine Loc function from the PCM Functions menu the scanner will automatically read and display the current Engine Location setting After displaying the setting you may choose to proceed to alter the loca
44. serious injury always observe this precaution along with the safety precautions provided by the engine boat and battery manufacturers Always test and service a running engine in a well ventilated area Always wear approved eye protection IMPORTANT e This scan tool is a sensitive electronic instrument Handle the tool with extreme care DO NOT subject the scan tool to excessive water spray or expose it to rain The scan tool is water resistant but not water proof DO NOT leave the scan tool in direct sunlight for extended periods of time or subject it to extreme temperatures hot or cold e ALWAYS store the scan tool in its protective carrying case 94015 when not in use If you do not have a carrying case store the scanner in its original packaging Page 2 Overview About this supplemental publication This publication is intended as a supplement to the main scan tool User Guide Please refer to the MerCruiser or TechMate Scan Tool User Guide Fig 1 that was supplied with your tool for important fundamental information on features and operation TechMate SCAN TOOL MerCruiser SCAN TOOL The fastest and easiest way to troubleshoot The fastest and easiest way to troubleshoot Marine Electromic Fuel Injection Systems Marine Electronic Fuel Injection Systems USER S GUIDE USER S GUIDE Rinda Technologies Inc Rinda Technologies Inc Figure 1 Main Scan Tool User Guides Outboard
45. ssary in order to provide power to the scan tool 3 Once connected start the engine This is a requirement since the ECM will not be powered unless the engine is running 4 After the scan tool displays its initial opening messages use the and V keys to display the Mercury Outboard operating mode from the main menu then press the YES key to select it Next select 98 05 Small 4 Cyc After selecting the 98 05 Small 4 system the scan tool will automatically provide the ECM s software revision number and model number then it will proceed to the live data scanning mode Disconnecting the Scan Tool Be sure the engine s ignition switch is in the OFF position before disconnecting the scan tool or in line power adapter Disconnect the 94037 adapter s Red and Black alligator clips from the 12vdc power source then remove the 94028 adapter from the engine s diagnostic link connector DLC Page 46 2006 Up 25 30hp 4 Cycle 2006 Up 25hp amp 30hp EFI 4 Stroke ECM Mercury s 2006 and newer 25hp and 30hp EFI 4 cycle engines with Tohatsu powerheads are supported by the scan tool These engines are equipped with a 2 connector Kokusan Denki electronic control module as shown in the photo above Engines equipped with this ECM type do not have battery power available from the engine diagnostic connector The engine must be started to power up the ECM and subsequently obtain live data To connect to this system use
46. t should be performed with Key On and Engine 1 Review the advisory message stated above and be sure the engine is not running when attempting to perform this test 2 After selecting the Oil Pump Test test from the PCM Output Test menu the scanner will prompt you to begin the test To initiate the test press the FIRE TEST key The fuel pump relay will be activated for approximately one second 3 You may press the FIRE TEST key again to repeat the test or press the NO key to return to the Output Test menu Main Power Relay Output Test This test will cause the PCM to energize the engine s main power relay Upon executing this test the technician should listen for relay mechanical activity The main power relay will be activated for a period of one second This test should be performed with Key On and Engine Page 19 SmartCraft PCM 1 Review the advisory message stated above and be sure the engine 1s not running when attempting to perform this test 2 After selecting the Main Power Relay test from the PCM Output Test menu the scanner will prompt you to begin the test To initiate the test press the FIRE TEST key The main power relay will be activated for approximately one second 3 You may press the FIRE TEST key again to repeat the test or press the NO key to return to the Output Test menu Fuel Pump Output Test This test will cause the PCM to energize the engine s electric fuel pump rela
47. the following steps Adapter 94039 1 Locate the engine s 18 pin diagnostic link connector DLC This connector is built into the ECM module as shown in the photo at the top of this page 2 Plug adapter 94039 into the engine s DLC Afterward attach the adapter s Red and Black power wires to a suitable 12 vdc power source Attach the Red clip to 12vdc and the Black clip to the power source ground These connections are necessary in order to provide power to the scan tool Page 47 2006 Up 25 4 3 Onceconnected start the engine This isarequirement since the ECM will not provide data unless the engine is running 4 Afterthescan tool displays its initial opening messages use the A and keys to display the Mercury Outboard operating mode from the main menu then press the YES key to select it Next select 06 Up 25 30 4 Cyc After selecting the 06 Up 25 30 4 Cyc system the scan tool will automatically provide the ECM s version number then it will proceed to the live data scanning mode Disconnecting the Scan Tool Be sure the engine s ignition switch is in the OFF position before disconnecting the scan tool or in line power adapter Disconnect the 94039 adapter s Red and Black alligator clips from the 12vdc power source then remove the adapter from the engine s diagnostic link connector DLC Page 48 2005 Up 75 90hp EFI 4 Cycle 2005 Up 75hp amp 90hp EFI 4 Stroke ECM
48. the test or press the NO key to return to the Output Test menu PCM Function IAC Test The IAC Test allows the functionality of the engine s Idle Air Control system to be tested This test commands the PCM module to change the IAC valve s position thereby changing the engine s idle speed Perform the following steps to conduct the IAC test e IMPORTANT This test should be performed in Neutral with the engine idling and at normal operating temperature Donot attempt to drive the boat while performing this test e Follow all engine and boat manufacturer s safety precautions and stay clear of all moving engine components 1 Review the warnings stated above prior to conducting this test For best results the engine should be idling at normal operating temperature 2 After selecting the Test function from the PCM Output Test menu the scanner will begin to display one or more advisory messages Review these messages and be certain their instructions are followed 3 When the advisory messages have been displayed you may begin the test by pressing the YES key While the test is in progress the scanner will display the current engine RPM as well as the IAC valve s position Use the and V keys to change the IAC s position in 10 increments The IAC position range is from 100 to 100 While changing the IAC position you should hear a noticeable change in engine speed 4 Toexitthe IAC test press the NO key You will b
49. ting Hours the engine has logged 2 Oncethe engine operating hours have been displayed the scanner will prompt you to display any currently stored system faults Selecting YES will cause the scanner to interrogate the PCM s Fault Memory If any faults are present their descriptions will be displayed Important Note on PCM Faults The PCM 555 engine control module stores faults concurrently in two different areas of it s internal memory One area called the Fault Memory only stores faults that have been detected during the engine s current Ignition On cycle These faults will not be retained after the ignition switch is turned OFF The second fault storage area is referred to as the Freeze Frame Memory The Freeze Frame Memory retains the last 10 faults that the PCM has detected regardless of when they occurred and even if ignition power has been turned OFF The Freeze Frame Memory also contains a snapshot of several critical engine parameters such as the engine s speed and temperature for each fault that is stored This information is helpful in making an accurate diagnosis and also useful for understanding why the fault occurred See Fault History for additional details Page 12 3 4 5 SmartCraft PCM After the scanner displays a fault description it will give you the option to access the fault s associated Freeze Frame engine data This data represents a snapshot of various engine parameters at the time t
50. tion setting by pressing the YES key Use the A and WV keys to scroll through the available location settings 3 When you have selected the correct Engine Location Setting press the YES key to make the new setting permanent The scanner will program the new location setting into the PCM s memory and you will be returned to the scanner s PCM Functions menu Note The new Engine Location setting will not become active until the ignition has been cycled OFF and then back ON PCM Function Set Trim Limit The Trim Limit Setpoint function allows the technician to limit the range of the propeller mechanism s trim movement This setting has a range of 0 to 100 When the trim position reaches the Trim Limit Setpoint the PCM will disable the trim limit relay in order to restrain the propeller mechanism from further advancement Perform the following steps to read and change the Trim Limit Setpoint e This function should be performed with Key On and Engine Off Page 24 SmartCraft PCM 1 Review the advisory message stated above prior to performing this function 2 After selecting the Set Trim Limit function from the PCM Functions menu the scanner will communicate with the PCM and display the current Trim Limit setting 3 After displaying the current setting you may choose to alter the setpoint by pressing the YES key Use the and W keys to change the setpoint in 1 increments The Trim Limit Setpoint range is from 0 to 100
51. u may select the direct injector you wish to test by using the and V keys To begin firing the selected injector press the FIRE TEST key This action will being actuating the direct injector for a period of approximately 10 seconds To abort the Fuel Injector test at any time press and hold the scanner s NO key 4 After the test is complete you may return to step 3 to test another injector or press the NO key to return to the scanner s Output Test menu Ignition Coil Output Test The Ignition Coil output test allows individual coils and their associated spark outputs to be fired to verify their operation This test requires that a spark gap tester be used to verify proper ignition coil operation The ignition coil under test will be fired at a rate equivalent to 1600 rpm This test helps a technician verify that a particular ignition coil is receiving a command signal from the PCM and that the coil s high voltage output is sufficient to generate a spark discharge WARNING Use of spark gap tester is required for this test Do not perform this test with the ignition wires attached to the engine s spark plugs while they are installed in the cylinders Engine backfire and external flame can occur As a safety precaution purge fuel vapors from the engine before proceeding An approved spark gap tester must be attached to the spark output under test See the spark gap tester s instructions for proper installation adjustment and
52. ureted Mercury 4 Strokes with 24 pin ECM ECM Data ECM ID Display ECM Model Display Main ECM Data List 75 90 115 HP EFI Mercury 4 Strokes Yamaha powerhead Read Run History Fault History E lt E Read Fault History Data ID Display Engine Hour Display Main ECM Data List Fault Codes Read Fault Codes Page 9 Function Flowcharts 25 30 HP EFI Mercury 4 Strokes Tohatsu powerhead ECM ID Display Engine Hour Display Read Fault inj Sm E Main ECM Data List Page 10 SmartCraft PCM PCM 555 ECM 555 This section describes scan tool functions related to Mercury outboard engines equipped with Mercury PCM 555 or ECM 555 SmartCraft compatible EFI modules This system type was introduced on a variety of Mercury outboard engines in 2001 We will use the term to refer to both styles of modules Connecting to a PCM equipped engine The scan tool provides an extensive set of diagnostic and support functions for troubleshooting engines equipped with the PCM SmartCraft engine control system Connection and operation of the tool is simple and straight forward 1 Locate the engine s 4 pin or 2 pin on some models diagnostic link connector DLC The location of this connector is specified in the engine s service manual and may vary depending upon the engine type SP Adapter 94006 Adapter 94028
53. use IMPORTANT Before performing this test the engine s electric fuel pump should be disabled Disabling of the fuel pump may be accomplished by removing the fuel pump fuse or disconnecting the pump s electrical connector This test should be performed with Key On and Engine Off Page 18 SmartCraft PCM 1 Review the warnings stated above and be sure the engine is not running when attempting to perform this test 2 After selecting the Ignition Coil function from the PCM Output Test menu the scanner will begin to display several warning messages Review these messages and be certain their instructions are followed 3 When the warning messages have been displayed you may select the ignition coil you wish to test by using the A and W keys To begin firing the selected coil press the FIRE TEST key This action will begin firing the ignition coil at a speed equivalent to 1600 rpm for a period of approximately 10 seconds To abort the Ignition Coil test at any time press and hold the scanner s NO key 4 After the test is complete you may return to step 3 to test another ignition coil or press the NO key to return to the scanner s Output Test menu Oil Pump Output Test Applicable to two stroke engines this test will cause the PCM to energize the oil pump Upon executing this test the technician should listen for oil pump mechanical activity The oil pump will be activated for a period of five seconds This tes
54. y Upon executing this test the technician should listen for fuel pump and relay mechanical activity The pump will be activated for a period of one second This test should be performed with Key On and Engine Off 1 Review the advisory message stated above and be sure the engine is not running when attempting to perform this test 2 After selecting the Fuel Pump Relay test from the PCM Output Test menu the scanner will prompt you to begin the test To initiate the test press the FIRE TEST key The fuel pump relay will be activated for approximately one second 3 You may press the FIRE TEST key again to repeat the test or press the NO key to return to the Output Test menu Warning Horn Output Test This test will cause the PCM to energize the engine warning horn on non DTS engines Upon executing this test the technician should listen for warning horn activity The warning horn will be activated for a period of one second This test should be performed with Key On and Engine Off 1 Review the advisory message stated above and be sure the engine is not running when attempting to perform this test 2 After selecting the Warning Horn test from the PCM Output Test menu the scanner will prompt you to begin the test To initiate the test press the FIRE TEST key The warning horn will be activated for approximately one second Page 20 SmartCraft PCM 3 You may press the FIRE TEST key again to repeat
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