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:

Rocker Arm Removal
Squeeze the brake lever slowly and hold it with a band. Remove the front footpeg bracket bolts. Raise the rear wheel off the ground with the jack (see Rear Shock Absorber Removal). Special Tools - Jack: 57001-1238 Jack Attachment: 57001-1608 Remove: Lower Rear Shock Absorber B ...

Idle Speed
The idle speed inspection should be performed in accordance with the Periodic Maintenance Chart. This motorcycle is equipped with the Idle Speed Control valve. If the idle speed is disturbed, inspection of the idle speed control should be done by an authorized Kawasaki dealer. NOTE While ...

DFI Power Source
ECU Fuse Removal Refer to the 30 A Main/15 A ECU Fuse Removal in the Electrical System chapter. ECU Fuse Installation If a fuse fails during operation, inspect the DFI system to determine the cause, and then replace it with a new fuse of proper amperage. Refer to the Fuse Installation in ...