Yamaha RX10RTL Supplemental Service Manual page 256

TROUBLESHOOTING
RADIATOR FAN MOTOR AND RADIATOR FAN MOTOR RELAY
Check the main 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 stator coil and pickup coil.
OUT OF SPECIFICATION
OK
Check the main switch.
Refer to "IGNITION SYSTEM".
NO CONTINUITY
OK
Check the radiator fan motor.
FAULTY
OK
Check the radiator fan motor relay.
OK
FAULTY
Check the load relay.
Refer to "IGNITION SYSTEM".
FAULTY
OK
Correct the connection and/or
replace the rectifier/regulator
and/or the E.C.U. unit.
COOLING SYSTEM
Replace the main fuse and/or radiator fan
motor fuse.
Replace and/or charge the battery.
Refer to "BATTERY INSPECTION" in
CHAPTER 2.
Replace the stator coil and pickup coil
assembly.
Replace the main switch.
Replace the radiator fan motor.
Replace the radiator fan motor relay.
Replace the main switch.
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ELEC