TERMIUM Plus®

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ON-BOARD DIAGNOSTIC SYSTEM [1 record]

Filter results by subject field Alphabetical list of terms

Filter results by subject field

Alphabetical list of terms

Record 1 2013-09-10

English

Subject field(s)
  • Electrical Equipment (Motor Vehicles)
CONT

The sensors and actuators, along with the diagnostic computer software in the on-board computer, make up what is called "the OBD system".

CONT

By the early 1980s, numerous vehicles were using electronics and on-board computers to control many of the engine's control systems, such as fuel and ignition. Vehicle manufacturers had to develop ways to diagnose problems generated by the new electronic hardware found under the hood. Thus, the first OBD systems were developed by auto manufacturers in the early 1980s as electronic systems replaced mechanical systems.

OBS

[One of the main purposes] of the OBD system is to assure proper emission control system operation for the vehicle's lifetime by monitoring emission-related components and systems for deterioration and malfunction.

Key term(s)
  • onboard diagnostic system

French

Domaine(s)
  • Équipement électrique (Véhicules automobiles)
DEF

Système qui enregistre et conserve les données relatives aux anomalies moteur passagères.

OBS

Ces données peuvent être récupérées par l'entremise du port diagnostic pour faciliter l'entretien et les réparations.

Spanish

Campo(s) temático(s)
  • Equipo eléctrico (Vehículos automotores)
DEF

Sistema de diagnóstico integrado en la gestión del motor del vehículo, que vigila continuamente los componentes que intervienen en las emisiones de escape, si surge cualquier fallo, el sistema lo detecta, memoriza y visualiza a través del testigo de aviso de gases de escape.

OBS

OBD, por sus siglas en inglés.

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