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/InstallationMeter instruments
Upper Button
Lower Button
Tachometer (with Shift-Up
Indicator)
Red Zone
Ambient Brightness
Sensor
Turn Signal Indicator Light
Warning Indicator Light
(Red)
Neutral Indicator Light
Multifunction Meter
High Beam Indicator Light
Warning Indicator Light
(Yellow)
Fuel ...
Passenger’s Seat Installation
Insert the tab on the rear of the passenger’s
seat into the slot in the
frame.
Insert the projections at the front of
the passenger’s seat into the holes
on the frame.
Push down the front part of the passenger’s
seat until the lock clicks.
A. Passenger’s Seat
B. Proj ...
Radiator Hose and Pipe Inspection (coolant leak, damage, installation
condition)
The high pressure inside the radiator hose can cause
coolant to leak [A] or the hose to burst if the line is not
properly maintained.
Visually inspect the hoses for signs of deterioration.
Squeeze the hoses. A hose should not be hard and
brittle, nor should it be soft or swollen.
Repl ...