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:

Balance Weight Installation
Check if the weight portion has any play on the blade [A] and clip [B]. If it does, discard it. WARNINGUnbalanced wheels can create an unsafe riding condition. If the balance weight has any play on the rib of the rim, the blade and/or clip have been stretched. Replace th ...

Engine Oil Change
Situate the motorcycle so that it is vertical after warming up the engine. Remove the engine oil drain bolt [A] to drain the oil. The oil in the oil filter can be drained by removing the filter (see Oil Filter Replacement). Replace the drain bolt gasket [B] with a new one. Tighten t ...

Engine Oil Flow Chart
1. Oil Screen 2. Oil Pump 3. Oil Pressure Relief Valve 4. Oil Filter 5. Oil Pipe 6. Oil Cooler 7. Balancer Oil Passage 8. Main Oil Passage 9. Crankshaft Oil Passage 10. Oil Pressure Switch 11. Camshaft Oil Passages 12. Drive Shaft Oil Passage 13. Output Shaft Oil Passage 14. Starter ...