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 193 (ENGINE CONTROL SYSTEM)PCM INSPECTIONPCM INSPECTION USING THE SST (104 PIN BREAKOUT BOX)NOTES
2011 Mazda 3 Mazdaspeed, 2.3 3
PCM Inspection Using the SST (104 Pin Breakout Box): Notes
2011 Mazda 3 Mazdaspeed, 2.3 3SECTION Notes
WARNING: This page is about a different car, the 2004 Mazda MPV. However, it is still accessible from the selected car via links, so may be relevant.
- Disconnect the negative battery cable.
- Disconnect the PCM connector.
- Connect the SST (104 Pin Breakout Box) to the PCM as shown.
- Tighten the connector attaching bolt.
Tightening torque
3.0-5.4 N.m {30-56 kgf.cm, 27-48 in.lbf}
- Connect the negative battery cable.
- Measure the voltage at each terminal.
- If any incorrect voltage is detected, inspect the related systems, wiring harnesses and connectors referring to the Action column in the terminal voltage table.
RENDER: 1.0x
NO RELATED
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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.