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. ...

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Backups
The ECU takes the following measures to prevent engine damage when the DFI, ignition, S-KTRC or immobilizer system parts have troubles. Note: (1): D-J Method: When the engine load is light like at idling or low speed, the ECU determines the injection quantity by calculating fr ...

Connecting Rod Twist Inspection
With the big-end arbor [A] still on V block [C], hold the connecting rod horizontally and measure the amount that the arbor [B] varies from being paralleled with the surface plate over a 100 mm (3.94 in.) length of the arbor to determine the amount of connecting rod twist. If the conne ...

Fuel Pump Installation
Remove dirt or dust from the fuel pump [A] by lightly applying compressed air. Replace the fuel pump gasket with a new one. Check that the fuel pump terminal [A] and band [B] are in place. Apply a non-permanent locking agent to the threads of the fuel pump bolts. Tighten the ...