Yamaha FX Nytro 2008 Manuel D'atelier page 752

TROUBLESHOOTING
Check the main fuse, ignition fuse, and radiator fan
motor fuse.
Refer to "FUSE INSPECTION" in CHAPTER 2.
FAULTY
OK
Check the battery.
Refer to "BATTERY INSPECTION" in CHAPTER 2.
OUT OF SPECIFICATION
OK
Check the engine stop switch and main switch.
Refer to "IGNITION SYSTEM".
NO CONTINUITY
OK
Check the radiator fan motor.
FAULTY
OK
Check the radiator fan motor relay.
FAULTY
OK
Check the coolant temperature sensor.
Refer to "SIGNAL SYSTEM".
FAULTY
OK
Check the cooling system wiring.
Refer to "CIRCUIT DIAGRAM".
FAULTY
OK
Correct the connection and/or replace the ECU.
THE RADIATOR FAN MOTOR DOES NOT MOVE
8-41
COOLING SYSTEM
Replace the main fuse, ignition fuse, and/or radia-
tor fan motor fuse.
Replace or charge the battery.
Refer to "BATTERY INSPECTION" in CHAPTER
2.
Replace the right handlebar switch and/or main
switch.
Replace the radiator fan motor.
Replace the radiator fan motor relay.
Replace the coolant temperature sensor.
Properly connect or repair the cooling system wir-
ing.
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ELEC