Kawasaki Ninja Service Manual: Inquiries to Rider

Kawasaki Ninja Service Manual / Fuel System (DFI) / Troubleshooting the DFI System / Inquiries to Rider

DFI Diagnosis Flow Chart

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 problem occurred under exactly what conditions by asking the rider; knowing this information may help you reproduce the problem.
The following sample diagnosis sheet will help prevent you from overlooking any areas, and will help you decide if it is a DFI system problem, or a general engine problem.

Sample Diagnosis Sheet

Sample Diagnosis Sheet

Outline

When a problem occurs with DFI system, the warning indicator light (LED) [A] and FI warning symbol [B] goes on to alert the rider. In addition, the condition of the problem is stored in the memory ...

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 diff ...

Other materials:

Fuel Injector Output Voltage Inspection
NOTE Be sure the battery is fully charged. Turn the ignition switch to OFF. Remove the ECU (see ECU Removal). Do not disconnect the ECU connector Connect a digital meter [A] to the connector (gray) [B] with the needle adapter set. Special Tool - Needle Adapter Set: 57001-1457 ...

Crankcase Splitting
Remove the engine (see Engine Removal in the Engine Removal/Installation chapter). Set the engine on a clean surface and hold the engine steady while parts are being removed. Remove: Cylinder Head (see Cylinder Head Removal in the Engine Top End chapter) Starter Motor (see Starter M ...

Stick Coil Primary Peak Voltage Inspection
NOTE Be sure the battery is fully charged. Remove the stick coils (see Stick Coil Removal). Do not remove the spark plugs. Connect the ECU to the harness. Measure the primary peak voltage as follows. Install the new spark plug [A] into each stick coil [B], and ground them onto ...