Kawasaki Ninja Service Manual: Fuel Pump Relay Inspection

Kawasaki Ninja Service Manual / Self-Diagnosis System / Fuel Pump Relay (Service Code 46) / Fuel Pump Relay Inspection

If the fuel pump relay is normal, check the wiring to the fuel pump relay (see Fuel Pump Relay 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).

Fuel Pump Relay Circuit

Fuel Pump Relay Circuit


1. ECU

2. Engine Stop Switch

3. Ignition Switch

4. Joint Connector F

5. Fuse Box 1

6. Ignition Fuse 15 A

7. Relay Box

8. Fuel Pump Relay

9. Fuel Pump

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

Stick Coil #1: Service Code 51

Stick Coil #2: Service Code 52

Stick Coil #3: Service Code 53

Stick Coil #4: Service Code 54

Fuel Pump Relay Removal/Installation
The fuel pump relay is built in the relay box [A]. Refer to the Relay Box Removal in the Electrical System chapter. ...

Stick Coils #1, #2, #3, #4: (Service Code 51, 52, 53, 54)
...

Other materials:

Exhaust Butterfly Valve Actuator Sensor Input Voltage Inspection
NOTE Be sure the battery is fully charged. Turn the ignition switch to OFF. Remove the front seat (see Front Seat Removal in the Frame chapter). Remove the screws [A] and the exhaust butterfly valve actuator temporarily with the cables installed. Disconnect the exhaust butterf ...

Wheel Inspection
Raise the front/rear wheel off the ground. Special Tools - Jack: 57001-1238 Jack Attachment: 57001-1608 Spin the wheel lightly, and check for roughness or binding. If roughness or binding is found, replace the hub bearings (see Hub Bearing Removal/Installation). Inspect the wh ...

Connecting Rod Bend Inspection
Remove the connecting rod big end bearing inserts, and reinstall the connecting rod big end cap. Select an arbor [A] of the same diameter as the connecting rod big end, and insert the arbor through the connecting rod big end. Select an arbor of the same diameter as the piston pin and ...