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 MANUALSMAZDA2009TRIBUTE 4WD L4-2.5LREPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTCOMPUTERS AND CONTROL SYSTEMSRELAYS AND MODULES - COMPUTERS AND CONTROL SYSTEMSENGINE CONTROL MODULESERVICE AND REPAIR
2009 Mazda Tribute 4WD L4-2.5L
Engine Control Module: Service and Repair
2009 Mazda Tribute 4WD L4-2.5LSECTION Service and Repair
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POWERTRAIN CONTROL MODULE (PCM) REMOVAL/INSTALLATION - 2.5L
Removal
1. Retrieve the module configuration. Carry out the module configuration retrieval steps of the Programmable Module Installation procedure. See Programmable Module Installation (PMI).
NOTE:PCM installation DOES NOT require new keys or programming of keys, only a Parameter Reset of the Passive Anti-Theft System (PATS).
2. Detach the wiring harness retainer from the cowl stud bolt.
3. Disconnect the 3 PCM electrical connectors.
4. Remove the 2 bolts and the PCM.
5. Remove and inspect the PCM cowl seal, install new if damaged.
Installation
1. Install the PCM cowl seal.
2. Install the PCM and the 2 bolts.
- Tighten to 6 Nm {0.6 kgf-m, 53 in-lbf}.
3. Connect the 3 PCM electrical connectors.
4. Attach the wiring harness retainer to the cowl stud bolt.
- Tighten to 6 Nm {0.6 kgf-m, 53 in-lbf}.
5. Restore the module configuration. Carry out the module configuration restore steps of the Programmable Module Installation procedure. See Programmable Module Installation (PMI).
6. Reprogram the passive anti-theft system (PATS). Carry out the Parameter Reset procedure. See Key Programming Using Two Programmed Keys.
7. Using the scan tool, perform the Misfire Monitor Neutral Profile Correction procedure, following the on-screen instructions.
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.