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:

Troubleshooting guide
Engine Does Not Start Starter Motor Won’t Turn Engine stop switch off Transmission not in neutral Fuse blown Battery leads do not make good electrical contact with battery terminals Battery discharged Engine Cranks, But Won’t Start No fuel in tank Fuel line clogged Fuel ...

Special Tools
Bearing Driver Set: 57001-1129 Jack: 57001-1238 Bearing Remover Head, 25 × 28: 57001-1346 Bearing Remover Shaft, 13: 57001-1377 Jack Attachment: 57001-1608 ...

Rear Shock Absorber Inspection
Remove the rear shock absorber (see Rear Shock Absorber Removal). Visually inspect the following items. Smooth Stroke Oil Leakage Crack or Dent If there is any damage to the rear shock absorber, replace it. Visually inspect the rubber bushing [A]. If it show any signs o ...