Kawasaki Ninja

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:

Jump starting
If your motorcycle battery is “run down”, it should be removed and charged. If this is not practical, a 12 volt booster battery and jumper cables may be used to start the engine. DANGER Battery acid generates hydrogen gas which is flammable and explosive under certain conditions. It i ...

Check 3-6: Neutral Indicator Light (LED) Inspection
Connect the leads in the same circuit as Check 3-2. Connect the terminal [8] to the battery (–) terminal. Check that the neutral indicator light (LED) [A] goes on. If the indicator light does not go on, replace the meter unit. ...

Engine Stop Switch
A. Engine Stop Switch B. START/STOP Switch (for Stop Watch) C. Starter Button In addition to the ignition switch, the engine stop switch must be in the position for the motorcycle to operate. The engine stop switch is for emergency use. If required, move the switch to the  positio ...