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Home >> Volvo >> 2009 >> S80 Base >> Repair and Diagnosis (Single Page) >> Electrical >> Body Electrical >> Miscellaneous Electrical - Design And Function - 3 Of 5 >> Engine Control Module (ECM) (B8444S; 2007-2010) >> Diagnostic Functions >> Overview >> Emissions Related Diagnostic Functions

Emissions Related Diagnostic Functions

The engine control module (ECM) checks that the emissions related systems are working. These systems are checked by running a diagnostic function. The diagnostic function checks the components and that the system is functioning.

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