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)

Electrical Information Reference

Circuit Testing
Connector Repairs
Testing for Intermittent Conditions and Poor Connections
Wiring Repairs

Scan Tool Reference

Control Module References for scan tool information

Special Tools

EL 26792 HEI Spark Tester

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