Basic Knowledge Required

Before using this section, it is important that you have a basic knowledge of the following items. Without this basic knowledge, it will be difficult to use the diagnostic procedures contained in this section.

• Basic electrical circuits-You should understand the basic theory of electricity and know the meaning of potential, voltage, current, amperes, and resistance, ohms. You should understand what happens in a circuit with open or shorted wire. You should be able to read and understand a wiring diagram.
• Use of circuit test tools-You should be familiar with a digital multimeter (DMM), and be familiar with the meter controls and how to use them correctly. You should be able to measure voltage, resistance, and current. You should know how to use jumper wire to bypass components for testing circuits.