| A means through vehicle information can be extracted with a scan tool, a standard 16 pin connector which reads stored codes from the vehicle. | |
| Flexible, impermeable membrane on which pressure at to produce mechanical movement; in automotive terminology, any disc shaped device; can be as diverse as thin membranes that separate two chambers and a component, and large metal disc that activate clutch pressure plate. | |
| A device that produces electricity through electrochemical action. | |
| Camshaft position sensor |