Kawasaki Ninja

Kawasaki Ninja Service Manual: Radiator Fan System

Kawasaki Ninja Service Manual / Electrical System / Radiator Fan System

Fan Motor Inspection

If the fan does not rotate, the fan motor is defective and must be replaced.

Fan Motor Inspection


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. Radiator Fan Relay

9. Frame Ground

10. Fuse Box 2

11. Fan Fuse 15 A

12. Starter Relay

13. Main Fuse 30 A

14. Battery

15. Engine Ground

Air Intake Solenoid Valve Unit Test
Remove the air intake solenoid valve (see Air Intake Solenoid Valve Removal in the Fuel System (DFI) chapter). Set the hand tester [A] to the × 1 Ω range and connect it to the air ...

Meter, Gauge, Indicator Unit
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Other materials:

Crankshaft Sensor Peak Voltage Inspection
Refer to the Crankshaft Sensor Peak Voltage Inspection in the Electrical System chapter. If the reading is within the standard, remove the ECU and check the wiring for continuity between harness connectors. Special Tool - Hand Tester: 57001-1394 Disconnect the ECU and sensor connector ...

Wheel Rotation Sensor Rotor Inspection
Remove: Wheels (see Front/Rear Wheel Removal in the Wheels/Tires chapter) Brake Disc Mounting Bolts [A] Sensor Rotor [B] Front Wheel [C] Rear Wheel [D] Visually inspect the wheel rotation sensor rotor. If the rotor is deformed or damaged (chipped teeth [A]), replace the ...

External Shift Mechanism Inspection
Examine the shift shaft [A] for any damage. If the shaft is bent, straighten or replace it. If the serration [B] are damaged, replace the shaft. If the spring [C] is damaged in any way, replace it. If the shift mechanism arm [D] is damaged in any way, replace the shaft. Check the s ...