INFORMATION GATHERING
To properly diagnose a malfunction, one must not make guesses or assumptions about the circumstances
that caused it. Proper diagnosis and repair require duplicating the situation in which the malfunction
occurred. If a diagnosis is made without duplicating the malfunction, even an experienced service technician
may make a misdiagnosis and not perform the servicing procedure correctly, resulting in the malfunction not
being repaired. For example, a malfunction that occurs only while braking on slippery surfaces will not occur
if the motorcycle is ridden on a non-slippery surface. Therefore, in order to properly diagnose and repair the
motorcycle, the customer must be questioned about the conditions at the time that the malfunction occurred
making “Information gathering” very important. In order for the information obtained from the customer to be
used as a reference during troubleshooting, it is necessary to ask certain important questions concerning
the malfunction. Therefore, a questionnaire has been created to improve the information-gathering proce-
dure.
Questionnaire Example
NOTE:
The above form is a standard sample. It should be modified according to characteristic of each market.
Customer’s name License plate No. Frame serial No. Mileage
First registered year Date malfunction occurred Frequency of occurrence Weather of date of occur-
rence
PROBLEM SYMPTOMS
ABS operation Past malfunctions and repairs
ABS does not work
ABS works so often
Too long stopping distance
Others
CONDITIONS WHEN MALFUNCTION OCCURED
ABS indicator light Riding conditions
Does not light up While stopping
Lights up
Goes off after running over 5 km/h
Yes No
Over 10 km/h
When turning
Others
Flashes
Brake operating conditions
Tires
Usual braking
Abnormal air pressure Quick/hard braking
Less thread depth
Interface
No specified tires installed Too big pulsations at brake levers
Road surface
Too large brake lever strokes
Paved road
Others
Dry Wet Others
Others
Unpaved road
Abnormal noise from the ABS control unit/HU
Gravel Muddy Uneven Skid noise from the calipers
Others Vibration at the brake levers
Note:
13-82 DL650K7/AK7 (’07-MODEL)
PartShark.com
877-999-5686
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