Yamaha Waverunner 3 Manual

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ACTIVE TEST
Selecting this command displays a window where active tests can be selected.
 WARNING
Avoid clicking the Execute and Cancel buttons repeatedly, otherwise the ECM or PC will not
work properly and they could be damaged.
Fig. 55
NOTE:
The test can be carried out while the engine is running. It is not possible to carry out the test while
the watercraft is running. 
						

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Dropping a cylinder:
Start the engine and observe the changes in engine speed for 20 seconds.
For the first ten seconds operate all four cylinders, and then stop one cylinder for five seconds. For
the last five seconds operate all four cylinders.
A screen that allows you to select which ignition and fuel to cut is displayed.
1. Select which ignition and fuel you wish to cut by either clicking it or pressing the up or down
arrow keys on your keyboard. (Fig. 55)
NOTE:
Release the throttle lever.
The selected item is highlighted in light blue.
The details of the selected test are displayed in the column on the right, and the items that must
be either checked or performed before the test can start are displayed below the table.
Only one item can be selected at one time.
2. Click the Select
 button or press the Enter key on your keyboard. (Fig. 55)
3. Start the engine.
4. Click the Execute
 button or press the Enter key on your keyboard. (Fig. 56)
Fig. 56 
						

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NOTE:
If the engine is not running, an error message is displayed. Follow the instructions that appear. (Fig.
57)
Fig. 57
5. While checking the information that appears beside Test situation
 and Engine Speed
, follow
the test instructions in the messages that are displayed. (Fig. 56)
NOTE:
If an error occurs while the test is being performed, an error message is displayed. Follow the
instructions that appear. (Fig. 58)
Fig. 58
6. To perform the test again on the same cylinder, click the Execute
 button or press the Enter key
on your keyboard. To perform a different test, click the Return [ESC]
 button or press the Esc
key on your keyboard to return to the window where a different test can be selected. 
						

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DATA LOGGER
Monitor item selection
A window appears that allows you to select the Data comparison graph
 or the Engine operating
hours according to engine speed
.
Fig. 59
1Triangle mark
Operating procedure:
1. Select the desired item by either clicking it or pressing the up or down arrow keys on your key-
board. (Fig. 59)
NOTE:
A triangle appears to the right of the selected item.
2. Press the Enter key on your keyboard. The window of the selected item is displayed.
(Fig. 59) 
						

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Data display item selection
A window appears that allows you to select the items to be graphed. No more than two items can be
displayed.
Fig. 60
1Selected items
Operating procedure:
1. Select the desired items by either clicking them or pressing the up or down arrow keys on your
keyboard, then pressing the space bar. (Fig. 60)
NOTE:
Selected items have a light blue background. Items that are not selected have a blue background.
The box to the left of items that are being moved are light blue. Items that are not selected appear
in blue.
At initialization, Engine speed [r/min] 
is selected.
2. Click the Graph
 button or press the Enter key on your keyboard. (Fig. 60) The Data compari-
son
 window is displayed. (See fig. 61.) 
						

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Data comparison graph
A line graph appears with the items selected in the Data display item selection
 window on the ver-
tical axes and the Time before engine stop
 on the horizontal axis. (Fig. 61)
Fig. 61
NOTE:
The item on the left vertical axis is graphed with a solid line and the item on the right vertical axis
is graphed with a dotted line.
Although the engine is running, graphs do not show the present engine condition. It displays the
value at the time the Enter key on your keyboard was pressed in the Monitor item selection
. 
						

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Engine operating hours according to engine speed
The operating hours as compared to the engine speed and the total operating hours are displayed.
(Fig. 62)
Fig. 62
A window is displayed showing the amount of hours that the engine is operated at each engine
speed range.
NOTE:
Although the engine is running the displayed time refers to the added hours until the Data logger
starts.
The sum of the Engine operating hours according to engine
 speed
 is not equal to the total
hours of operation since the hours are rounded to two decimals. 
						

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ECM No.
The ECM part number of the watercraft is read from the ECM and is displayed. (Fig. 63)
Fig. 63 
						

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EXIT
The program is exited.
Operating procedure:
1. Click the Exit
 button or press any number key (1–8).
Fig. 64
2. Click the OK
 button or press the Enter key on your keyboard to exit the program.
To cancel exiting the program, click the Cancel
 button or press the Esc key on your keyboard.
(Fig. 65)
Fig. 65 
						

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UNINSTALLING THE YAMAHA DIAGNOSTIC SYSTEM
Use the following procedure to uninstall the Yamaha Diagnostic System.
1. Exit all programs before running the uninstaller.
2. From the taskbar at the bottom of your computer screen, click the Start
 button, point to Set-
tings,
 and then open the Control Panel
.
3. In the Control Panel dialog box, double-click Add/Remove Programs
. (Fig. 66)
Fig. 66
4. Select YAMAHA DIAGNOSTIC SYSTEM for WaterCraft
 and click the Add/Remove
 button.
(Fig. 67)
Fig. 67