If the radiator fan relay is normal, check the wiring for continuity, using the wiring diagram in this section.
Special Tool - Hand Tester: 57001-1394
If the wiring is good, check the ECU for its ground and power supply (see ECU Power Supply Inspection in the Fuel System (DFI) chapter).
If the ground and power supply are good, replace the ECU (see ECU Removal/Installation in the Fuel System (DFI) chapter).
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. Fan Relay
9. Frame Ground 3
10. Fuse Box 2
11. Fan Fuse 15 A
12. Starter Relay
13. Main Fuse 30 A
14. Battery
15. Engine Ground
Radiator Fan Relay Removal/InstallationIntake Air Temperature Sensor Removal
NOTICE
Never drop the intake air temperature sensor especially
on a hard surface. Such a shock to the sensor
can damage it.
Remove the fuel tank (see Fuel Tank Removal in the Fuel
System (DFI) chapter).
Disconnect the connector [A] from the intake air temperature
sensor.
Remove the da ...
Main Throttle Sensor Resistance Inspection
Turn the ignition switch to OFF.
Measure the main throttle sensor resistance in the same
way as input voltage inspection, note the following.
Disconnect the throttle sensor setting adapter [A] from the
connector of the main harness side.
Special Tool - Throttle Sensor Setting Adapter: 57 ...
Hub Bearing Removal
Remove the wheels (see Front/Rear Wheel Removal),
and take out the following.
Collars
Coupling (Out of rear hub)
Grease Seals
Use the bearing remover to remove the hub bearings [A].
NOTICE
Do not lay the wheel on the ground with the disc
facing down. This can damage or warp the d ...
