Radiator Fan System
Fan System Circuit Inspection
Front Seat (see Front Seat Removal in the Frame chap-
Battery Case Cover (see Battery Removal)
Take out the relay box [A] from battery case.
Disconnect the 4-pin connector [B]
Using an auxiliary lead [A], connect G and BL/W terminals
in the relay box lead connector [B] of the harness side.
The ignition switch need not be turned on.
If the fan does not rotate, inspect the following.
Main Fuse 30 A and Fan Fuse 10 A (see Fuse Inspec-
Fan Motor (see Fan Motor Inspection)
When the fan system is abnormal even if the above in-
spection is normal, check the following items.
Water Temperature Sensor (see Water Temperature
Fan Relay (see Relay Circuit Inspection)
Wiring (see Wiring Inspection)
If their parts are normality, replace the ECU (see ECU
Removal/Installation in the Fuel System (DFI) chapter).
Fan Motor Inspection
Right Front Footboard (see Front Footboard Re-
moval/Installation in the Frame chapter)
Fan Motor Lead Connector [A]
Using an auxiliary lead, supply battery [A] power to the
Battery (+) → BK/BL Lead Terminal
Battery (–) → BK Lead Terminal
If the fan does not rotate, the fan motor is defective and
must be replaced.
ELECTRICAL SYSTEM 16-71