Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
2003 Mazda 6 L4-2.3LFACTORY OEM SERVICE PROCEDURE
Body Control Module
Diagram 0940-a:
Routing View 0940-a:
Diagram 0940-b:
Routing View 0940-b:
Diagram 0940-c:
Routing View 0940-c:
Diagram 0940-d:
Routing View 0940-d:
Diagram 0940-e:
Routing View 0940-e:
Diagrams: Other diagrams referred to by name within these diagrams can be found at Diagrams by Diagram Name. Diagrams By Diagram Name
Connector Views: Additional connector pinout views for the common connectors that may be referred to on these diagrams can be found via the connector number at the vehicle level connector views. Connector Views
Factory Service Tools
Use the Manual With the Right Hardware
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.
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