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:

Refreshing Charge
Remove the battery (see Battery Removal). Do refresh charge by following method according to the battery terminal voltage. WARNINGThis battery is sealed type. Charge with current and time as stated below. Terminal Voltage: 12.0 12.7 V Standard Charge (see following ...

Sidestand Installation
Replace the sidestand nut [A] with a new one. Apply grease to the sliding areas [B]. Tighten the sidestand bolt [C] first, and then the sidestand nut. Torque - Sidestand Bolt: 44 N·m (4.5 kgf·m, 32 ft·lb) Sidestand Nut: 29 N·m (3.0 kgf·m, 21 ft·lb) Install the spring [D] as sh ...

Interlock Operation Inspection
Raise the rear wheel off the ground with the stand [A]. 1st Check Start the engine to the following conditions Condition: Transmission Gear → 1st Position Clutch Lever → Release Sidestand → Down or Up Turn the ignition switch to ON and push the starter butto ...