Reference Information

WARNING: This page is about a different car, the 2009 GMC Envoy and 2009 Chevrolet TrailBlazer. However, it is still accessible from the selected car via links, so may be relevant.

Schematic Reference

Evaporative Emissions Hose Routing Diagram
Engine Controls Schematics

Connector End View Reference

Component Connector End Views

Description and Operation Reference

Evaporative Emission Control System Description

Electrical Information Reference

Circuit Testing
Testing for Intermittent Conditions and Poor Connections
Wiring Repairs

DTC Type Reference

Powertrain Diagnostic Trouble Code (DTC) Type Definitions

Scan Tool Reference

Control Module References for scan tool information

Special Tools

CH-48096 EVAP Service Access Port Tool. See Special Tools .
GE-41415-50 Fuel Tank Cap Adapter. See Special Tools .
J 41413-200 Evaporative Emission System Tester (EEST). See Special Tools .
J 41413-300 EVAP Cap and Plug Kit
J 41413-311 EVAP Plug
J 41413-SPT High Intensity White Light. See Special Tools .
J 41413-VLV EVAP Port Vent Fitting Tool. See Special Tools .