Glossary “semi-independent rear suspension” Definition:
Rear suspension system in which one rear wheel has a limited amount of movement without affecting the opposite rear wheel.
semi
Glossary “semi” Definition:
Term for semi-tractor or semi-trailer.
SEMA
Glossary “SEMA” Definition:
Specialty Equipment Market Association.
SEL-SW
Glossary “SEL-SW” Definition:
System Selector Switch
Self-Test Output Connector
Glossary “Self-Test Output Connector” Definition:
Connector from which fault codes are accessed. Generally a six pin connector.
Self-Test Output (STO)
Glossary “Self-Test Output (STO)” Definition:
Circuit which transmits service codes to a scan tool or meter.
Self-Test Input Connector
Glossary “Self-Test Input Connector” Definition:
Connector that when grounded causes self test to be initiated. Generally a single pin connector.
Self-Test Input (STI)
Glossary “Self-Test Input (STI)” Definition:
Circuit used to initiate Self-Test.
Self-Test
Glossary “Self-Test” Definition:
A part of the Ford functional Quick Test diagnostic procedure.
self test
Glossary “self test” Definition:
Computer function that scans systems and subsystems to provide data for troubleshooting.
self-tapping screw
Glossary “self-tapping screw” Definition:
1). A screw that cuts its own threads without pre-drilling in sheet metal. 2). A screw that cuts its own threads in a predrilled hole in heavy-gauge metal.
self-stick sandpaper
Glossary “self-stick sandpaper” Definition:
Sandpaper with adhesive applied to it during manufacturing.
self-sealing tire
Glossary “self-sealing tire” Definition:
Tire having a special compound on the inner surface that seals punctures when the puncturing object is removed.
self-locking screw
Glossary “self-locking screw” Definition:
Screw configured do that it locks itself in place when tightened.
self-locking nut
Glossary “self-locking nut” Definition:
Nut that produces a friction or force fit when threaded onto a bolt or stud.
self-induction
Glossary “self-induction” Definition:
Induction of a voltage in a current-carrying coil of wire, such as an ignition coil.
self-etching primer
Glossary “self-etching primer” Definition:
Primer which contains an etching agent, used in place of metal treatment before priming, to provide corrosion protection.
self-energizing
Glossary “self-energizing” Definition:
The placing of brake shoes so that the drum tends to drag the lining around with it, resulting in a wedging action between anchor and drum.
self-discharge
Glossary “self-discharge” Definition:
The discharging of a battery due to chemical action, although there is no electrical demand.
self-diagnostics
Glossary “self-diagnostics” Definition:
In automotive computers, especially those for engine control, a program which assesses the condition of the system, including the sensors and the computer itself, and communicates its findings to the technician by means of trouble codes.