Page 25 - Workshop Manual - Aumark (BJ1051)

01-19
Introduction-How to Troubleshoot the Vehicle
Analysis of customer complaints
Tips:
• In trouble diagnosis and troubleshooting processes, be sure to eliminate all biases and judge
accurately in order to identify symptoms.
• In order to identify symptoms accurately, it is necessary to inquire the customer about the
vehicle condition and environment-related information when the malfunction occurred.
• When analyzing customer complaints, you should usually pay more attention to the
following 5 items.

Key points for analysis of customer complaints

Which? Model number and system name

When? Date, time, and incidence

Where? Road conditions
Conditions? Operating conditions, driving conditions, and climate conditions
01
How does it happen? Symptoms

Some malfunctions and maintenance experiences that seem unrelated can also help your
malfunction analysis sometimes, so you should collect information as much as possible. The
symptom related information can serve as reference for your trouble diagnosis and troubleshooting.

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