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.
2005 Mazda 3 L4-2.3LFACTORY OEM SERVICE PROCEDURE
Body Control Systems: Service and Repair
PASSENGER JUNCTION BOX (PJB) REMOVAL/INSTALLATION
1. When replacing the PJB, perform the following:
- PJB configuration
2. Disconnect the negative battery cable.
3. Remove in the order indicated in the table.
4. Install in the reverse order of removal.
Connector A Removal Note
1. Push the release tab in the direction of the arrow.
2. Rotate the lever in the direction of the arrow and remove connector A.
Connector B Removal Note
1. Rotate the lever in the direction of the arrow and remove connector B.
PJB Removal Note
1. Turn the screws counterclockwise to remove the PJB.
NOTE: Screws cannot be remoyed trom the PJB.
2. Remove the PJB as shown in the figure.
Connector B ln8taIlation Note
1. Install the connector B as shown in the figure.
Connector A Installation Note
1. After connecting the connector, rotate the lever in the direction of the arrow to install connector A.
1. When replacing the PJB, perform the following:
- PJB configuration
2. Disconnect the negative battery cable.
3. Remove in the order indicated in the table.
4. Install in the reverse order of removal.
Connector A Removal Note
1. Push the release tab in the direction of the arrow.
2. Rotate the lever in the direction of the arrow and remove connector A.
Connector B Removal Note
1. Rotate the lever in the direction of the arrow and remove connector B.
PJB Removal Note
1. Turn the screws counterclockwise to remove the PJB.
NOTE: Screws cannot be remoyed trom the PJB.
2. Remove the PJB as shown in the figure.
Connector B ln8taIlation Note
1. Install the connector B as shown in the figure.
Connector A Installation Note
1. After connecting the connector, rotate the lever in the direction of the arrow to install connector A.
Factory Service Tools
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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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