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:

Clutch
Clutch Operation Inspection Pull the clutch lever just enough to take up the free play [A]. Measure the gap between the lever and the lever holder. If the gap is too wide, the clutch may not release fully. If the gap is too narrow, the clutch may not engage fully. In either case, adjust ...

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 communication line. The service code 39 is detected with the meter unit. When the user mode, this commun ...

Radiator Inspection
Remove the radiator (see Radiator and Radiator Fan Removal). Check the radiator core. If there are obstructions to air flow, remove them. If the corrugated fins [A] are deformed, carefully straighten them. If the air passages of the radiator core are blocked more than 20% by unremovable ...