Fan Motor Inspection
If the fan does not rotate, the fan motor is defective and must be replaced.

Radiator Fan Circuit

1. ECU
2. Fan Motor
3. Ignition Switch
4. Joint Connector F
5. Fuse Box 1
6. Ignition Fuse 15 A
7. Relay Box
8. Radiator Fan Relay
9. Frame Ground
10. Fuse Box 2
11. Fan Fuse 15 A
12. Starter Relay
13. Main Fuse 30 A
14. Battery
15. Engine Ground
Air Intake Solenoid Valve Unit TestIC Igniter Inspection
The IC igniter is built in the ECU [A].
Refer to the following items.
Interlock Operation Inspection (see Interlock Operation
Inspection)
Ignition System Troubleshooting (see Ignition System
section)
ECU Power Supply Inspection (see ECU Power Supply
Inspection in the Fuel System (D ...
Main Throttle Sensor Input Voltage Inspection
NOTE
Be sure the battery is fully charged.
Turn the ignition switch to OFF.
Remove the throttle body assy (see Throttle Body Assy
Removal in the Fuel System (DFI) chapter).
Do not disconnect the connectors of the throttle body
assy.
Disconnect the main throttle sensor connector ...
Jump starting
If your motorcycle battery is “run
down”, it should be removed and
charged. If this is not practical, a 12
volt booster battery and jumper cables
may be used to start the engine.
DANGER
Battery acid generates hydrogen
gas which is flammable and
explosive under certain conditions.
It i ...