Kawasaki Ninja Service Manual: Fuel Pump Relay (Service Code 46)

ECU Communication Error (Service Code 39)

ECU Communication Line Inspection When the data is not sent from the ECU to the meter unit for more than about 10 seconds, the service code 39 is displayed. The data is sent through the CAN commun ...

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. ...

Other materials:

Clutch Cover Removal
Remove: Right Lower Fairing (see Lower Fairing Removal in the Frame chapter) Clutch Cable Lower End (see Cable Removal) Clutch Cover Bolts [A] Turn the release lever [A] counterclockwise as shown, and remove the clutch cover. About 90° [B] ...

For Primary Fuel Injectors
Remove the air cleaner housing (see Air Cleaner Housing Removal). Disconnect the primary fuel injector connector [A]. Connect a digital meter to the terminals in each primary fuel injector [A]. Measure the primary fuel injector resistance. Primary Fuel Injector Resistance ...

ECU Power Supply Inspection
Remove the upper air cleaner housing (see Air Cleaner Element Replacement in the Periodic Maintenance chapter). Visually inspect the ECU connectors. If the connector is clogged with mud or dust, blow it off with compressed air. Remove the ECU (see ECU Removal). Visually inspect the ...