Kawasaki Ninja Service Manual: DFI System Troubleshooting Guide

Kawasaki Ninja Service Manual / Fuel System (DFI) / DFI System Troubleshooting Guide

NOTE

This is not an exhaustive list, giving every possible cause for each problem listed. It is meant simply as a rough guide to assist the troubleshooting for some of the more common difficulties in DFI system.
The ECU may be involved in the DFI electrical and ignition system troubles. If these parts and circuits are checked out good, be sure to check the ECU for ground and power supply. If the ground and power supply are checked good, replace the ECU.

Engine Won’t Turn Over

Engine Won’t Turn Over

Poor Running at Low Speed

Poor Running at Low Speed

Poor Running or No Power at High Speed

Poor Running or No Power at High Speed

Inquiries to Rider

DFI Diagnosis Flow Chart Each rider reacts to problems in different ways, so it is important to confirm what kind of symptoms the rider has encountered. Try to find out exactly what pro ...

Warning Indicator Light (LED)

Light (LED) Inspection The warning indicator light (LED) [A] is used for the FI indicator, immobilizer indicator (immobilizer equipped models), water temperature warning indicator and oil pres ...

Other materials:

Rear Wheel Rotation Sensor Signal (Service Code 24)
Rear Wheel Rotation Sensor Signal Inspection The rear wheel rotation sensor sends the signal to the ECU through the KIBS hydraulic unit (KIBS equipped models). For other than KIBS equipped models, the signal is sent directly to the ECU. The ECU uses the rear wheel rotation sensor signal for mo ...

Coolant Reserve Tank Installation
Install the following to the coolant reserve tank [A]. Pad [B] Gasket [C] Cap [D] Collar [E] Install the coolant reserve tank and tighten the bolt [F]. Run the hoses correctly (see Cable,Wire, and Hose Routing section in the Appendix chapter). Fill the coolant reserve tank with ...

Oxygen Sensor Heater Resistance Inspection
Turn the ignition switch to OFF. Remove the fuel tank (see Fuel Tank Removal in the Fuel System (DFI) chapter). Disconnect the oxygen sensor lead connector [A]. Connect a digital meter [A] to the terminals in the oxygen sensor lead connector [B]. Measure the oxygen sensor heat ...