Page 27 - Foton Workshop Manual - Aumark (BJ1099)
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INTRODUCTION - HOW TO TROUBLESHOOT THE VEHICLE 01-21
ANALYZING FAULT DESCRIBED BY CUSTOMER
NOTICE:
• In the troubleshooting process, never simply take the first impressions, always do
accurate judgment, and confirm fault symptom. 01
• It is very important to inquiry the customer about the conditions and the environment
when the incident occurred.
• Some seemingly irrelevant fault and maintenance experiences sometimes may also
assist the fault analysis. Therefore, collect fault symptom related information as much as
possible to provide reference for troubleshooting.
• To accurately confirm fault symptom, the following 5 items shall be generally considered
when analyzing fault described by customer.
What's the situation? Model No., system name
When? Date, time and frequency
Where? Road condition
Operating conditions, driving condition,
What's the condition?
climate condition
How happened? Malfunction
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