Reference Information

Schematic Reference 

Engine Controls Schematics (LS3) or Engine Controls Schematics (LS7) or Engine Controls Schematics (LS9)

Connector End View Reference 

Component Connector End Views

Description and Operation 

Fuel System Description (LS9) or Fuel System Description (LS3 or LS7)

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