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.
2007 Mazda 3 L4-2.3LFACTORY OEM SERVICE PROCEDURE
Body Control Module: Testing and Inspection
PASSENGER JUNCTION BOX (PJB) CONFIGURATION
1. Connect the M-MDS to the DLC-2 (16-pin).
2. After the vehicle is identified, select the following items from the initial screen of the M-MDS.
When using the IDS (laptop PC)
- Select "Module Programming".
When using the PDS (Pocket PC)
- Select "Programming".
- Select "Module Programming".
3. Then, select items from the screen menu in the following order.
1. Select "Programmable Module Installation".
2. Select "GEM".
4. Perform the configuration according to the directions on the screen.
5. select items from the screen menu in the following order.
1. Select "Programmable Parameters".
2. Select "GEM".
3. Select "Module Reset".
6. Perform procedures according to the directions on the screen.
7. Retrieve DTCs using the M-MDS and verify that there is no DTC present.
- If any DTC is present, perform applicable DTC inspection. (See DTC TABLE (PJB)[CONTROL SYSTEM].) Diagnostic Trouble Code Descriptions
1. Connect the M-MDS to the DLC-2 (16-pin).
2. After the vehicle is identified, select the following items from the initial screen of the M-MDS.
When using the IDS (laptop PC)
- Select "Module Programming".
When using the PDS (Pocket PC)
- Select "Programming".
- Select "Module Programming".
3. Then, select items from the screen menu in the following order.
1. Select "Programmable Module Installation".
2. Select "GEM".
4. Perform the configuration according to the directions on the screen.
5. select items from the screen menu in the following order.
1. Select "Programmable Parameters".
2. Select "GEM".
3. Select "Module Reset".
6. Perform procedures according to the directions on the screen.
7. Retrieve DTCs using the M-MDS and verify that there is no DTC present.
- If any DTC is present, perform applicable DTC inspection. (See DTC TABLE (PJB)[CONTROL SYSTEM].) Diagnostic Trouble Code Descriptions
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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