Reference Information

WARNING: This page is about a different car, the 2007 GMC Sierra and 2007 Chevrolet Silverado. However, it is still accessible from the selected car via links, so may be relevant.

Schematic Reference

Engine Controls Schematics

Connector End View Reference

Engine Control Module Connector End Views
Engine Controls Connector End Views
Electrical Center Identification Views

Electrical Information Reference

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

Scan Tool Reference

Scan Tool Data List (ECM)
Scan Tool Output Controls
Scan Tool Data Definitions (ECM)

Special Tools Required

J 35616 Connector Test Adapter Kit. See Special Tools .

J 34730-1A Fuel Pressure Gage. See Special Tools .