Kawasaki Ninja Service Manual: ECU Power Source Circuit

Kawasaki Ninja Service Manual / Fuel System (DFI) / ECU / ECU Power Source Circuit

ECU Power Source Circuit


1. Ignition Switch

2. Joint Connector E

3. ECU

4. Engine Ground

5. Battery

6. Starter Relay

7. Main Fuse 30 A

8. ECU Fuse 15 A

9. Frame Ground 2

10. Frame Ground 1

11. Fuse Box 1

12. Ignition Fuse 15 A

13. Joint Connector F

ECU Power Supply Inspection
Remove the upper air cleaner housing (see Air Cleaner Element Replacement in the Periodic Maintenance chapter). Visually inspect the ECU connectors. If the connector is clogged with mud or d ...

CAN Communication Line
CAN Communication Line Resistance Inspection In this model, resistors for CAN communication line are built in the ECU [A] and meter unit. Refer to the Meter Unit Inspection in the Electrical Sy ...

Other materials:

Crankshaft Side Clearance Inspection
Insert a thickness gauge [A] between the thrust washer [B] on the crankcase and the crank web [C] at the #3 main journal to determine clearance. If the clearance exceeds the service limit, replace the thrust washers as a set and check the width of the crankshaft #3 main journal. Cra ...

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 ...

Radiator Cap Inspection
Remove: Radiator Cap (see Coolant Change in the Periodic Maintenance chapter) Check the condition of the bottom [A] and top [B] valve seals and valve spring [C]. If any one of them shows visible damage, replace the cap with a new one. Install the cap [A] on a cooling system pr ...