Basic Knowledge Required

NOTE: Lack of basic knowledge of this powertrain when performing diagnostic procedures could result in incorrect diagnostic performance or damage to powertrain components. Do not attempt to diagnose a powertrain problem without this basic knowledge.

A basic understanding of hand tools is necessary.

You must be familiar with some of the basics of engine operation and electrical diagnosis.
^ Basic electrical circuits-You should have an understanding of basic electricity and know the meaning of voltage volts), current (amps), and resistance ohms). You should understand what happens in a circuit with an open or a shorted wire, and you should be able to identify a shorted or open circuit by using a DMM. You should be able to read and understand a wiring diagram.
^ Use of digital multimeter-You should be familiar with the Digital Multimeter (DMM), particularly the essential tool. You should be able to use the meter in order to measure the voltage volts), the resistance ohms), the current (amps), intermittents (mm/max), and frequency (Hertz).
^ Use of circuit testing tools-You should not use a test lamp to diagnose the engine controls system unless you are specifically instructed to do so. You should know how to the use jumper wires in order to test the components and allow the DMM readings without damaging the terminals. You should know how to use the J 35616-A connector test adapter kit and use the kit whenever the diagnostic procedures call for front probing any connector.