How to Perform Trouble Diagnosis For Quick and Accurate Repair

A good understanding of the malfunction conditions can make troubleshooting faster and more accurate. In general, each customer feels differently about a malfunction. It is important to fully understand the symptoms or conditions for a customer complaint.

INFORMATION FROM CUSTOMER
WHAT ........Vehicle model
WHEN ........Date, Frequencies
WHERE ..... Road conditions
HOW ......... Operating conditions, Symptoms

PRELIMINARY CHECK
Check that the following parts are in good order.
- Battery
- Fuse
- System component-to-harness connections