Automotive Glossary


Automotive words, phrases and abbreviations.

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Self-diagnostics

A system where the ECU can determine if an error has occurs in its own inputs, outputs or systems.

Self-monitoring

A system where the ECU can determine if an error has occurs in its own inputs, outputs or systems.

Self-Servo Action

Description of how the leading shoe on a drum brake system is pulled by the drum such as to increase its braking effect.

Self-Test

Start up and monitoring sequences for electronic control systems. Produce fault code data and triggers warning signals.

Semi Floating Axle

An axle hub arrangement with one bearing mounted inside the axle casing where it supports the axle shaft. The load is carried by the shaft which has shear and bending forces applied to it.

Semi-conductor

A material that can be made to conduct or block electricity. A diode is a good example.

Semi-elliptical Spring

A suspension leaf spring consisting of one or more leaves with mounting eyes or slippers at the ends and having a curved shape.

Semi-gloss

An intermediate gloss level between high and low gloss.

Semi-trailing Arm

A rear suspension type with a triangular trailing arm that has the chassis mounting points set at an angle to the transverse axis of the vehicle.

Semiconductor

A material that can be made to conduct or block electricity. A diode is a good example.


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