Reference Information

Schematic Reference 

Engine Controls Schematics

Connector End View Reference 

COMPONENT CONNECTOR END VIEWS - INDEX

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 

GE 23738-A:  Mityvac

For equivalent regional tools, refer to Special Tools .