Operating; Connecting The Computer To The Watercraft - Yamaha WaveRunner FX140 Service Manual

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OPERATING

CONNECTING THE COMPUTER TO THE WATERCRAFT

NOTE:
Be sure to use the enclosed communication cable to connect the computer and adapter to the
watercraft.
1. Quit any applications that are running, and then turn off the computer.
2. Connect the communication cable to the 3-pin communication coupler of the watercraft, the
adapter, and the communication port of your computer.
1 Adapter
NOTE:
Use either the COM1 or COM2 port, and, if necessary, set the serial port as specified in the com-
puter's manual. Set the serial port where the RS232C (Dsub-9 pin) cable is connected to COM1 or
COM2.
3. Connect a 12 V battery to the watercraft.
NOTE:
The following items should be checked before starting the Yamaha Diagnostic System.
• The battery is properly charged and its specific gravity is within specification.
• There are no incorrect wiring connections.
• Wiring connections are properly secured and are not rusty.
• There is enough fuel in the fuel tank.
OPERATING
1
Fig. 17
9-13
E