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:

For Secondary Fuel Injectors
Remove the fuel tank (see Fuel Tank Removal). Disconnect the secondary fuel injector connector [A]. Connect a digitalmeter to the terminals in each secondary fuel injector [A]. Measure the secondary fuel injector resistance. Secondary Fuel Injector Resistance Standard: Abo ...

Front Caliper Removal
Remove: Bolt [A] Front Wheel Rotation Sensor [B] Loosen the banjo bolt [C] at the brake hose lower end, and tighten it loosely. Unscrew the caliper mounting bolts [D], and detach the caliper [E] from the disc. NOTICE Do not loosen the caliper assembly bolts [F]. Take out only ...

Stator Coil Installation
Apply a non-permanent locking agent to the threads of the stator coil bolts and tighten them. Torque - Stator Coil Bolts: 12 N·m (1.2 kgf·m, 106 in·lb) Using a high flash-point solvent, clean off any oil or dirt that may be on the silicone sealant coating area. Dry them with a clea ...