Now, automotive diagnostics program has become a process to need rigorous analysis, rather than a purely mechanical process. In other words, it is not simply just to replace the faulted part when there is something wrong. Diagnosis is to determine why it is necessary to replace the part. According to the symptoms of failure to establish the diagnosis or just use obd2 scanner to figure out problem is important, but without verification test, it will lead to high maintenance costs and incorrect solutions. Thus, here serves mechanics 10 steps to have a better repair service for clients or themselves.
1. Inquiry and answer
It is necessary to inquiry automotive drivers or owners what is wrong with their car. in fact, if you list questions basically needed, for drivers is not always right to provide us faults.
2. Clarify vehicle faults
Clarify vehicle faults to your clients repeatedly and better in detail but without using too professional items, for clients are not so well-know these words.
3. Verify faults
Detect faults to make sure it is really faults like drivers said; what is more, it might need to try to ride again with clients to confirm the faults; at the same time, try to find out the same faults as drivers see is sometimes necessary.
4. Know climate, car speed, time, distance and situation
If you have a good understanding or know with these five facets, you could benefit in your diagnosis.
5. Make good use of resource you could access to
If possible, make good of resource you could access to, including working experience, cars repair manual or information; of course, professional diagnostic tools or devices like BMW ICOM A2 WIFI for BMW diagnosis, the best one. Finally, ask help from others.
6. Field test first
Through filed test, mechanics could assess vehicle systems faults widest and directly. Besides, it can be detected and ruled out via testing one system to another according to symptoms and suspected parts.
7. Detect systems
Focus on abnormal systems detections.
8. Accurate test or component test
Try to detect faulted parts singly, if need, remove them
9. Troubleshoot
Explain to clients the faulted reasons, repair cost and parts replacement needed, and then confirm troubleshooting methods and troubleshoot
10. Confirm troubleshooting and road test
After handling with problems finally, confirm troubleshoot and road test to avoid other faults.
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