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:

Cylinder Head Removal
Remove: Thermostat Housing (see Thermostat Removal in the Cooling System chapter) Exhaust Pipe (see Exhaust Pipe Removal) Camshafts (see Camshaft Removal) Heat Insulation Plate [A] (see Engine Removal in the Engine Removal/Installation chapter) Place a container under the coolant dr ...

Fuel Filter Cleaning
The fuel filter [A] is built into the fuel pump and can not be cleaned or checked. If the fuel filter is suspected of clogging or being damaged, replace it with the fuel pump as a set. Fuel Pump Circuit 1. Ignition Switch 2. Engine Stop Switch 3. Joint Connector E 4. ECU 5. Engine G ...

Rear Shock Absorber Installation
Replace the rear shock absorber nuts and tie-rod nuts with new ones. Tighten: Torque - Rear Shock Absorber Nuts: 34 N·m (3.5 kgf·m, 25 ft·lb) Tie-Rod Nuts: 34 N·m (3.5 kgf·m, 25 ft·lb) When installing the rear shock absorber bracket [A], install it so that the recess side [B] ...