Reference Information

Schematic Reference 

Engine Controls Schematics

Connector End View Reference 

• Engine Controls Connector End Views
• Engine Control Module Connector End Views

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 

• Scan Tool Data List
• Scan Tool Output Controls
• Scan Tool Snapshot Procedure

Special Tools Required 

J 23738-A  Mityvac. See Special Tools .

J 35555  Metal Mityvac. See Special Tools .