Yamaha Waverunner 3 Manual

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OPERATING
5. Click the Yes 
button 
in the confirmation window to uninstall the utility software. To cancel the
uninstall operation of the utility software, click the No
 button. (See figs. 68–70.)
Fig. 68
Fig. 69
Fig. 70 
						

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OPERATING
6. If the following message appears, click the Details... 
button.
Fig. 71
1Uninstall completed. Some elements could not be removed. You should manually remove items related to
the application.
7. Check the contents of the message. If an element could not be removed, delete it manually.
Fig. 72
1Elements that could not be removed. 
						

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TROUBLESHOOTING
TROUBLESHOOTING
Error content Cause Action
Communication cable 
related error occursCommunication cable is discon-
nected.Connect communication cable 
between the computer’s commu-
nication port and 3-pin communi-
cation coupler of the watercraft.
Battery is disconnected from the 
watercraft.Connect battery to watercraft.
The battery voltage is below 12 V. Connect battery of 12 V or higher.
Application does not 
startThe hardware does not meet the 
requirements to operate this 
application.Use a computer that meets the 
specified hardware requirements.
YDIS.exe is not installed in appli-
cation directory.If YDIS.exe is not found in the 
application directory, install the 
application again.
Other application (Service tool) is 
already in operation.Quit the application in operation, 
since two applications (Service 
tool) cannot be operated simulta-
neously.
Application related error 
occursError message “Program file or 
Database file is not installed 
properly. Please install again.” is 
displayed.Install program file or database 
file again.
Database related error 
occursError message “Database files 
are not installed properly. Please 
update again.” is displayed.Update database again.
Error message “System file not 
found ######.###.” is displayed.The database is not applicable to 
communication with ECM. 
Update database to correspond 
to ECM.
Incorrect fonts on 
screenThe computer language does not 
correspond to the application.Use a computer that operates the 
required operating system.
When executing the sta-
tionary test or active test 
the test cannot be 
ended even if the Can-
cel is clicked.Execute and Cancel buttons have 
been clicked more than neces-
sary, and the ECM or PC does 
not operate properly.Turn off your PC.
Push the engine stop switch and 
reset the ECM. 
						

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APPENDIX
APPENDIX
SETTING THE DESKTOP AREA
Use the following procedure to set the Yamaha Diagnostic System desktop area.
Compatible with VGA (640 
× 480 pixels) or SVGA (800 × 600 pixels) or more recommended
1. From the taskbar at the bottom of your computer screen, click the Start
 button, point to Set-
tings,
 and then open the Control Panel
.
2. In the Control Panel, double-click Display
. (Fig. 73)
Fig. 73
3. Select Settings
 and slide the Desktop area slider. (Fig. 74)
Fig. 74
1Slider 
						

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APPENDIX
4. Click the OK 
button 
in the confirmation window to set the display area. To cancel, click the Can-
cel 
button. (See figs. 75–76.)
Fig. 75
Fig. 76 
						

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TROUBLE ANALYSIS
TROUBLE ANALYSIS
NOTE:
The following items should be checked before the “TROUBLE ANALYSIS CHART” is consulted.
1. The battery is charged and its specified gravity is within specification.
2. There are no incorrect wiring connections.
3. Wiring connections are properly secured and are not rusty.
4. The engine shut-off cord (lanyard) is installed onto the engine shut-off switch.
5. Fuel is reaching the throttle body.
TROUBLE ANALYSIS CHART
Trouble mode Check elements
ENGINE WILL NOT START
HARD STARTING
ROUGH IDLING
HIGH IDLING
ENGINE STALLS
POOR ACCELERATION
ENGINE WILL NOT STOP
POOR PERFORMANCE
LIMITED ENGINE SPEED
OVERHEATING
LOW OIL PRESSURE
LOOSE STEERING
BILGE INCREASE
IRREGULAR WARNING INDICATION
POOR BATTERY CHARGING
Relative partReference 
chapter
FUEL SYSTEM
Fuel tank 4
Fuel tank breather hose 4
Fuel hose 4
Fuel filter 4
Fuel pump 4
Fuel injectors 4
Trolling speed 3
Air filter 3 
						

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TROUBLE ANALYSIS
POWER UNIT
Compression 5
Cylinder head gaskets 5
Cylinder block 5
Crankcase 5
Piston rings 5
Pistons 5
Bearings 5
Thermostat 5
Valve(s) and valve seat(s) 5
Valve clearance adjusting 
pad(s)3
Camshaft(s) 5
Timing chain 5
Oil pump 5
Engine oil 3
Oil filter 3
Oil pressure switch 7
Bearing housing 5
Drive couplings 5
Rubber coupling 5
Pilot water hose 5
Water hose 5
Water passage 5 Trouble mode Check elements
ENGINE WILL NOT START
HARD STARTING
ROUGH IDLING
HIGH IDLING
ENGINE STALLS
POOR ACCELERATION
ENGINE WILL NOT STOP
POOR PERFORMANCE
LIMITED ENGINE SPEED
OVERHEATING
LOW OIL PRESSURE
LOOSE STEERING
BILGE INCREASE
IRREGULAR WARNING INDICATION
POOR BATTERY CHARGING
Relative partReference 
chapter 
						

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TROUBLE ANALYSIS
JET PUMP UNIT
Duct 6
Impeller 6
Intake grate 6
Bearings 6
Intake duct 6
Water inlet hose 6
Bilge hose 6
Bilge strainer 3
Bilge hose joint 6
ELECTRICAL
Ignition system, fuel control system
Pulser coils 7
ECM 7
Ignition coils 7
Slant detector switch 7
Engine stop switch 7
Engine shut-off switch 7
Spark plugs 3
Main and fuel pump relay 7
Thermoswitch 7
Intake air pressure sensor 7
Intake air temperature 
sensor7
Engine temperature 
sensor7
Throttle position sensor 7
Cam position sensor 7 Trouble mode Check elements
ENGINE WILL NOT START
HARD STARTING
ROUGH IDLING
HIGH IDLING
ENGINE STALLS
POOR ACCELERATION
ENGINE WILL NOT STOP
POOR PERFORMANCE
LIMITED ENGINE SPEED
OVERHEATING
LOW OIL PRESSURE
LOOSE STEERING
BILGE INCREASE
IRREGULAR WARNING INDICATION
POOR BATTERY CHARGING
Relative partReference 
chapter 
						

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TROUBLE ANALYSIS
Starting system
Start switch 7
Starter relay 7
Starter motor 7
Charging system
Lighting coil 7
Rectifier/regulator 7
Fuses 7
Battery leads—
Battery 3
Electric bilge pump
Electric bilge pump 7
HULL AND HOOD
Steering master 8
Water lock 8
Exhaust hose 8
Muffler 8
Drain plugs 8 Trouble mode Check elements
ENGINE WILL NOT START
HARD STARTING
ROUGH IDLING
HIGH IDLING
ENGINE STALLS
POOR ACCELERATION
ENGINE WILL NOT STOP
POOR PERFORMANCE
LIMITED ENGINE SPEED
OVERHEATING
LOW OIL PRESSURE
LOOSE STEERING
BILGE INCREASE
IRREGULAR WARNING INDICATION
POOR BATTERY CHARGING
Relative partReference 
chapter 
						

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TROUBLE ANALYSIS
Self-diagnosis
With the engine running, press the hour meter/
voltmeter display select switch 1
 and the
speedometer display switch 2
 for 8 seconds
and check if an error code is indicated on the
multifunction meter.
If the Yamaha Diagnostic System is not used
to check the symptoms listed in the table, the
error codes can be checked easily with the
self-diagnosis in the multifunction meter. How-
ever, if there are numerous error codes dis-
played, be sure to check them with the
Yamaha Diagnostic System.Code Symptom
13 Incorrect pulser coil signal
15Incorrect engine temperature 
sensor signal
18Incorrect throttle position sensor 
signal
19 Incorrect battery voltage
23Incorrect intake air temperature 
sensor signal
24Incorrect cam position sensor 
signal
29Incorrect intake air pressure sensor 
signal
39 Incorrect oil pressure sensor signal
47Incorrect slant detection switch 
signal
48 Incorrect data transmission
2
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