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:

Upper Fairing Assembly Removal
Remove: Lower Fairings (see Lower Fairing Removal) Center Inner Fairing (see Center Inner Fairing Removal) Upper Inner Fairings (see Upper Inner Fairing Removal) Windshield (see Windshield Removal) Disconnect the front turn signal light lead connector [A] (both sides). Remove the bo ...

Exploded View
13. Front Wheel Rotation Sensor B: Apply brake fluid. L: Apply a non-permanent locking agent. R: Replacement Parts S: Follow the specified tightening sequence. Si: Apply silicone grease (ex. PBC grease). 10. Rear Wheel Rotation Sensor B: Apply brake fluid. G: Apply gr ...

Swingarm Bearing Installation
Replace the needle bearings, ball bearing, grease seals and circlip with new ones. Install the needle bearings, ball bearing, grease seals and circlip as shown in the figure. Insert the needle bearing driver [A] into the needle bearing [B] and press the needle bearing into the housing u ...