Diagnostic Aids: Notes

This test procedure requires that the vehicle battery has passed a load test and is completely charged. Refer to Battery Inspection/Test .

Schematic Reference 

• Engine Controls Schematics
• Schematic And Routing Diagrams

Connector End View Reference 

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

Description and Operation 

ENGINE CONTROL MODULE (ECM) DESCRIPTION

Electrical Information Reference 

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

Scan Tool Reference 

Scan Tool Data List