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Home >> Chevrolet >> 2005 >> Optra5 Base, Standard >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Controls - 1.8L (L79) - Introduction And Mechanical Repairs >> Description and Operation >> Engine Control Module (ECM) Description (European and North American Emissions) >> Common EOBD Terms >> Enable Criteria

Enable Criteria

The term enable criteria is engineering language for the conditions necessary for a given diagnostic test to run. Each diagnostic has a specific list of conditions which must be met before the diagnostic will run.

Enable criteria is another way of saying conditions required.

The enable criteria for each diagnostic is listed on the first page of the diagnostic trouble code (DTC) description under the heading Conditions for Setting the DTC. Enable criteria varies with each diagnostic and typically includes, but is not limited to the following items:

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