Kawasaki Ninja Service Manual: Radiator Fan Relay Inspection

Kawasaki Ninja Service Manual / Self-Diagnosis System / Radiator Fan Relay (Service Code 56) / Radiator Fan Relay Inspection

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

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/Installation
The radiator fan relay is built in the relay box [A]. Refer to the Relay Box Removal in the Electrical System chapter. ...

Subthrottle Valve Actuator (Service Code 62)
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Other materials:

Ball Bearing and Needle Bearing
Do not remove pressed ball or needle unless removal is absolutely necessary. Replace with new ones whenever removed. Press bearings with the manufacturer and size marks facing out. Press the bearing into place by putting pressure on the correct bearing race as shown. Pressing the incorrect ra ...

Front Wheel Removal
Remove: Front Caliper Mounting Bolts [A] (Both Sides) Front Caliper [B] (Both Sides) Loosen: Front Axle Clamp Bolts [A] (Right Side) Front Axle [B] Remove the lower fairings (see Lower Fairing Removal in the Frame chapter). Raise the front wheel off the ground. ...

KIBS System Circuit
1. Ignition Switch 2. Front Wheel Rotation Sensor 3. Front Brake Light Switch 4. Joint Connector C 5. Joint Connector D 6. ECU 7. Rear Wheel Rotation Sensor 8. Rear Brake Light Switch 9. Battery 12 V 8.6 Ah 10. Main Fuse 30 A 11. KIBS Motor Relay Fuse 30 A 12. KIBS Solenoid Valve Rela ...