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
Direction of View For Connector
Direction of View for Connector
- The viewing direction of connectors is indicated with a symbol.
- The figures showing the viewing direction are the same as those used in Wiring Diagrams.
- The viewing directions are shown in the following three ways:
Part-side connector

The viewing direction of part-side connectors is from the terminal side.
* : Part names are shown only when there are multiple connector drawings.
Vehicle harness-side connector

The viewing direction of vehicle harness-side connectors is from the harness side.
* : Part names are shown only when there are multiple connector drawings.
Other

When it is necessary to show the terminal side of vehicle harness-side connectors, such as the following connectors, the viewing direction is from the terminal side.
- Main fuse block and the main fuse block relays
- Data link connector
- Check connector
- Relay box
- The viewing direction of connectors is indicated with a symbol.
- The figures showing the viewing direction are the same as those used in Wiring Diagrams.
- The viewing directions are shown in the following three ways:
Part-side connector
The viewing direction of part-side connectors is from the terminal side.
* : Part names are shown only when there are multiple connector drawings.
Vehicle harness-side connector
The viewing direction of vehicle harness-side connectors is from the harness side.
* : Part names are shown only when there are multiple connector drawings.
Other
When it is necessary to show the terminal side of vehicle harness-side connectors, such as the following connectors, the viewing direction is from the terminal side.
- Main fuse block and the main fuse block relays
- Data link connector
- Check connector
- Relay box
Factory Service Tools
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- β’ You smell fuel, burning insulation, or see smoke.
- β’ Brakes feel soft, pull hard to one side, or make grinding noises.
- β’ The engine overheats, stalls repeatedly, or misfires under load.
- β’ You are missing required tools, torque specs, or safe lifting equipment.
- β’ You are not confident in the next step or safety outcome.
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