Reference Information

WARNING: This page is about a different car, the 2018 Buick Encore. However, it is still accessible from the selected car via links, so may be relevant.

Schematic Reference

Engine Controls Wiring Schematics (Buick with LE2)

Connector End View Reference

COMPONENT CONNECTOR END VIEWS - INDEX (ENCORE)

Powertrain Component View

Powertrain Component Views (Buick)Powertrain Component Views (Chevrolet)

Description and Operation

Evaporative Emission Control System Description

Electrical Information Reference

Circuit Testing
Connector Repairs
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 Port Access Tool
GE-41413 - A Evaporative Emissions System Tester
GE-41413 - SPT High Intensity White Light
GE-41413 - 300 EVAP Cap and Plug Kit

For equivalent regional tools, refer to Special Tools (Mechanical Tools)Special Tools (Diagnostic Tools) .