SAE J2744_200808

Requirements for Built-In Service Port for On Board Diagnostics

SAE International , 08/11/2008

Publisher: SAE

File Format: PDF

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Description

Standard By:SAE International , 08/11/2008

Published:08/11/2008

File Size:1 file , 790 KB

Language:English

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This document presents the requirements for a built-in service port to be used in vehicles intended to comply with Enhanced Evaporative Emissions Requirements. The primary function of the Service Port (Valve Assembly-Evaporative Emission Canister Purge Harness Service) is to provide non-destructive access to the evaporative emissions system to enable testing of the integrity of the system. The Service Port is used to introduce air pressure or fuel vapors into, or evacuates them out of, the system.