1. CUSTOMER COMPLAINT ANALYSIS
Record details of the problem (failure, complaint) and how it occurred as described by the customer. For this
purpose, use of such a questionaire form as shown below will facilitate collecting information to the point re-
quired for proper analysis and diagnosis.
Customer's name:
Date of issue:
Problem Symptoms
Frequency of occurrence
Conditions for Occur-
rence of Problem
Environmental Condition
Diagnostic Trouble Code
CUSTOMER QUESTIONNAIRE (EXAMPLE)
Model:
Date Reg.
D ABS warning light abnormal: fails to turn on/fails to go off/flashes
D Abnormal noise while vehicle is running: from motor, from valve,
D Wheel is locked at braking:
D Pump motor does not stop (running):
D Braking does not work:
D Other__________
D Continuous/Intermittent (
other___________
D Vehicle at stop & ignition switch ON:
D When starting: at initial start only/at every start/Other_____________
D Vehicle speed: while accelerating/while decelerating/at stop/
while turning/while running at constant speed/
other_______________
D Road surface condition: Paved road/rough road/snow-covered road/
D Chain equipment:
D Weather:
fair/cloudy/rain/snow/other____________________
D Temperature:
5F (
D First check: Normal code/malfunction code (
D Second check after
test drive:
Normal code/malfunction code (
ANTILOCK BRAKE SYSTEM (ABS) 5B-9
VIN:
Date of problem:
other_________________
times a day, a month)/
other_________________
5C)
Mileage:
)
)