Kawasaki Ninja Service Manual: Air Switching Valve (Service Code 64)

Kawasaki Ninja Service Manual / Self-Diagnosis System / Air Switching Valve (Service Code 64)

Air Switching Valve Removal/Installation

Air Switching Valve Inspection

If the air switching valve [A] is normal, check the wiring for continuity (see Air Switching Valve Circuit).

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).

Air Switching Valve Inspection


Air Switching Valve Circuit

Air Switching Valve Circuit


1. ECU

2. Air Switching Valve

3. Ignition Switch

4. Joint Connector F

5. Joint Connector A

6. Fuse Box 1

7. Ignition Fuse 15 A

8. Relay Box

9. ECU Main Relay

10. Frame Ground 1

11. Frame Ground 3

12. Starter Relay

13. ECU Fuse 15 A

14. Main Fuse 30 A

15. Battery

16. Engine Ground

Exhaust Butterfly Valve Actuator Resistance Inspection
Turn the ignition switch to OFF. Disconnect the exhaust butterfly valve actuator lead connector (2 pins connector) [A]. Set the hand tester to the × 1 Ω range and connect it to t ...

Oxygen Sensor Heater (Service Code 67, Equipped Models)
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Other materials:

Radiator and Cooling Fan
Check the radiator fins for obstruction by insects or mud. Clean off any obstructions with a stream of low-pressure water. WARNINGThe cooling fan spins at high speed and can cause serious injuries. Keep your hands and clothing away from the cooling fan blades at all times. ...

Oxygen Sensor Installation (Equipped Models)
NOTICE Never drop the oxygen sensor [A] especially on a hard surface. Such a shock to the unit can damage it. Do not touch the sensing part [B] to prevent oil contact. Oil contamination from hands can reduce sensor performance. Tighten: Torque - Oxygen Sensor: 25 N·m (2.5 kgf·m, 18 ...

Wheel Alignment Inspection
Check that the notch [A] on the alignment indicator [B] aligns with the same swingarm mark or position [C] that the other side alignment indicator notch aligns with. If they do not, adjust the chain slack and align the wheel alignment (see Drive Chain Slack Adjustment). NOTE Wheel align ...