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/InstallationPiston Wear Inspection
Measure the outside diameter [A] of each piston 5 mm
(0.20 in.) [B] up from the bottom of the piston at a right
angle to the direction of the piston pin.
If the measurement is under service limit, replace the piston.
Piston Diameter
Standard: 75.959 75.974 mm
(2.9905 2.9911 in.)
...
Odometer
The odometer shows the total distance
in kilometers or miles that the vehicle
has run. If the odometer is displayed,
the “ODO� is displayed on the
multifunction display. This meter cannot
be reset.
A. Odometer
B. “ODO�
NOTE
The data are maintained even if the
battery is disco ...
Fuel Tank Cap
To open the fuel tank cap, pull up the
key hole cover. Insert the ignition key
into the fuel tank cap and turn the key
to the right.
To close the cap, push it down into
place with the key inserted. The key
can be removed by turning it to the left
to the original position. Close the key
hol ...