Questioning; Questioning Points; Trouble Check Sheet For Kubota Common Rail System - Kubota V3800-CR-TE4 Diagnosis Manual

V3800-CR-TE4,V3800-CR-TIE4, DM

[2] QUESTIONING

• Use the trouble check sheet to ensure that the customer's explanation is fully understood.
• Accurately judge information concerning the malfunction.
Grasp the situation firmly, using five 5W1H (Who, What, When, Where, Why, How) as a basis.
Ex: Low ambient temperature, starting, normal conditions, proximity to engine, metallic noise, etc.
(Reference)
Do not ask random questions. Ask questions that will aid in narrowing down the possible malfunctioning system
while making educated guesses based on the malfunction symptoms.

Questioning Points

What?
When?
Where?
What were conditions like at the time of
malfunction?
What happened?
Malfunction symptom.
Date, time, frequency of occurrence.
Field conditions.
Driving conditions, operating conditions,
weather.
Type of malfunction.

Trouble Check Sheet for KUBOTA Common Rail System

When the machine is received from the customer, it is
necessary to verify the "malfunction symptoms" and the "generated
malfunction data" with the customer. This is performed based on the
trouble check sheet.
(1) Trouble Check Sheet
Because:
• The malfunction symptom may not be reproduced at the
workshop.
• The customer's complaint does not always match the
malfunction.
• If the person performing repairs is not working from the correct
malfunction symptoms, man-hours will be wasted.
The question chart can aid the service person in diagnosing,
repairing and verifying repair work.
1-S2
COMMON RAIL SYSTEM
9Y1200192CRS0002US0
9Y1200192CRS0003US0
9Y1200192CRS0004US0
KiSC issued 05, 2012 A