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:

Air Suction Valve Installation
Install the air suction valve so that opening [A] of the reed faces downward. Apply a non-permanent locking agent to the threads of the air suction valve cover bolts [A], and tighten them. Torque - Air Suction Valve Cover Bolts: 9.8 N·m (1.0 kgf·m, 87 in·lb) ...

Swingarm Removal
Remove: Rear Wheel (see Rear Wheel Removal in the Wheels/Tires chapter) Mud Guard with Rear Brake Hose (see Mud Guard Removal in the Frame chapter) Rocker Arm (see Rocker Arm Removal) Remove: Brake Hose Clamp Bolt [A] Unscrew the swingarm pivot shaft nut [A]. Usi ...

Intake Air Pressure Sensor #2 Input Voltage Inspection
NOTE Be sure the battery is fully charged. Turn the ignition switch to OFF. Remove the air cleaner housing (see Air Cleaner Housing Removal in the Fuel System (DFI) chapter). Disconnect the intake air pressure sensor #2 connector and connect the measuring adapter [A] between these con ...