Trouble Shooting Procedure

Verify the complaint - Check the complaint. Try to understand the problem. If possible, let the driver show you what happens. Check all functions of the system and note the symptoms before starting any testing or disassembly.

Analyze the problem - Identify the part of the electrical system that is most likely to be causing the problem. Find the Circuit Section in the manual that applies to that pant of the system. Find the wiring diagram that applies to the car. By following the circuit from ground back to the power source, get an understanding of how the circuit works.

Find the problem - You will find the problem if you follow a simple and logical step-by-step procedure. Test portions of the circuit one at a time, starting with the area or component most likely to be at fault. Test first at points that you can reach most easily.

Repair the problem - When you find the cause of the problem, make the repair. Use appropriate tools and procedures.

Check the results - Be sure it works. Check the functions of all parts of the circuit that you worked on.