- Basic Knowledge and Tool Requirements

BASIC KNOWLEDGE AND TOOLS REQUIRED
Knowledge Requirements
To use Powertrain Management most effectively, a general understanding of basic electrical circuits and circuit testing tools is required. You should be familiar with wiring diagrams, the meaning of voltage, ohms, amps, the basic theories of electricity, and understand what happens in an open or shorted wire.

Tool Requirements
To perform system diagnosis, the use of a Tech 1 scan tool or equivalent scan tool is required. A test light, ohmmeter, digital voltmeter with 10 megohms impedance, vacuum gauge, and jumper wires are also required. Become acquainted with the special tools, and their use before attempting to diagnose a vehicle. Special tools which are required for system service are illustrated in Tools and Equipment. Tools and Equipment