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Home >> Cadillac >> 2021 >> CT4 Sport, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 122 (Engine Controls And Fuel - 2.7L (L3B) - Diagnostic Information And Procedures (3 Of 3)) >> Diagnostic Information and Procedures >> Electronic Ignition System Diagnosis >> Reference Information

Reference Information

WARNING: This page is about a different car, the 2022 Cadillac CT4. However, it is still accessible from the selected car via links, so may be relevant.

Schematic Reference

Engine Controls Schematics

Connector End View Reference

Master Electrical Component List or COMPONENT CONNECTOR END VIEWS - INDEX

Electrical Information Reference

Scan Tool Reference

Control Module References

Special Tools

J-26792  Ignition Spark Tester

Equivalent regional tools: Special Tools (Diagnostic Tools) , or Special Tools (Mechanical Tools)