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.
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HOMESERVICE MANUALSMAZDA20113 MAZDASPEED, 2.3 3REPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 279 (SECURITY SYSTEM AND LOCKS SYSTEM)DOOR LOCK CONTROL MODULE INSPECTIONNOTES
2011 Mazda 3 Mazdaspeed, 2.3 3
Door Lock Control Module Inspection: Notes
2011 Mazda 3 Mazdaspeed, 2.3 3SECTION Notes
WARNING: This page is about a different car, the 2003 Mazda 6. However, it is still accessible from the selected car via links, so may be relevant.
- Measure the voltage at the door lock control module terminals (other than terminals 1E, 2G, 2K and 2W) as indicated below.
- If not as specified, inspect the parts listed under "Action."
- Disconnect the negative battery cable.
- Disconnect the door lock control module connector and inspect for continuity between terminal 1E or 2W and the bracket.
- Inspect for continuity at terminals 1E, 2G, 2K and 2W as indicated below.
- If the parts and wiring harnesses are okay but the system still does not work properly, perform the troubleshooting.
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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.