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.
2004 Mazda 3 L4-2.3LFACTORY OEM SERVICE PROCEDURE
When Replacing TPMS Control Module
WHEN REPLACING TPMS CONTROL MODULE
CAUTION: After the TPMS control module is replaced, be sure to configure it by following the manual-registration procedure.
NOTE: To configure the Tire Pressure Monitoring System (TPMS), the As-built data sheet and is needed.
1. Connect the WDS or equivalent to the DLC-2.
2. Select "Module Programming" from the WDS or equivalent menu.
3. Select "Programmable Module Installation".
4. Select "TPM".
5. Input the vehicle data on the As-Built data sheet.
6. Verify that DTC B2477 is not displayed.
- If the DTC is displayed, configure the TPMS control module again.
7. Turn the ignition switch to the ON position, then turn off.
8. Leave the vehicle with the engine off for 15 min or more.
9. Drive the vehicle at a speed of 20 km/h (12 mph) or more for 10 min or more.
10. After driving for 10 min, verify that the TPMS warning light has neither flashed nor illuminated. light has neither flashed nor illuminated.
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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