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...

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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...

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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...

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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...

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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...

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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...