Schematic Reference

Engine Controls Schematics

Connector End View Reference

• Engine Controls Connector End Views
• Engine Control Module (ECM) Connector End Views

Electrical Information Reference

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

Emission System Information Reference

• Evaporative Emissions (EVAP) Hose Routing Diagram
• Crankcase Ventilation System Inspection/Diagnosis

Engine Mechanical Information Reference

• Symptoms - Engine Mechanical
• Symptoms - Engine Exhaust

Fuel System Information Reference

• Alcohol/Contaminants-in-Fuel Diagnosis
• Fuel Injector Diagnosis

Scan Tool Reference

• Scan Tool Data List
• Scan Tool Data Definitions
• Scan Tool Output Controls

Special Tools Required

• J 34730-1A  Fuel Pressure Gage. See Special Tools .
• J 39021  Fuel Injector Tester
• J 44602  Injector Test Adapter