How to Perform Trouble Diagnosis For Quick and Accurate Repair

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
Make sure that the following parts are in good order.
- Battery (Refer to "How to Handle Battery".)
- Fuse (Refer to "Wiring Diagram -SRS-/Coupe".)
- System component-to-harness connections