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:

Oil Pressure Measurement
Remove: Right Lower Fairing (see Lower Fairing Removal in the Frame chapter) Oil Passage Plug [A] Attach the adapter [A] and gauge [B] to the plug hole. Special Tools - Oil Pressure Gauge, 10 kgf/cm²: 57001-164 Oil Pressure Gauge Adapter, PT3/8: 57001 -1233 ...

Check 2-1: Speedometer Inspection
Using the suitable stand, raise the rear wheel off the ground. Rotate the rear wheel by hand or start the engine. Check that the display changes speedometer. If the display function does not work, check the following parts. Rear Wheel Rotation Sensor (see Wheel Rotation Sensor Inspe ...

Front Fork Disassembly
Remove the front fork (see Front Fork Removal (Each Fork Leg)) Drain the fork oil (see Front Fork Oil Change). Take the dust seal [A] off the outer tube. Remove the retaining ring [B]. Separate the outer tube from the inner tube. Remove the following parts from the inner tube. ...