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 MANUALSFORD2007FOCUS L4-2.3L VIN ZREPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTCOMPUTERS AND CONTROL SYSTEMSENGINE CONTROL MODULESERVICE AND REPAIR
2007 Ford Focus L4-2.3L VIN Z
Engine Control Module: Service and Repair
2007 Ford Focus L4-2.3L VIN ZSECTION Service and Repair
POWERTRAIN CONTROL MODULE (PCM)
Removal
1. NOTE: Any PCM replacement will require that ALL customer keys are available to be programmed at the time of installation. PCM replacement DOES NOT require new keys.
Retrieve the module configuration. Carry out the module configuration retrieval steps of the Programmable Module Installation procedure.
2. Remove the instrument panel side trim.
3. Remove the cowl side trim panel.
4. Remove the glove compartment.
5. Remove the passenger side lower footwell trim panel.
6. Remove the 2 generic electronic module (GEM) nuts and position aside.
7. Disconnect the PCM electrical connectors and remove the PCM.
Installation
1. Install the PCM and connect the electrical connectors.
2. CAUTION: Make sure that the PCM electrical connectors do not unlock when installing the GEM module.
Position the GEM module and install the 2 nuts.
- Tighten to 10 Nm (89 lb-in).
3. Install the passenger side lower footwell trim panel.
4. Install the glove compartment.
5. Install the cowl side trim panel.
6. Install the instrument panel side trim.
7. Restore the module configuration. Carry out the module configuration restore steps of the Programmable Module Installation procedure.
8. Reprogram the passive anti-theft system (PATS). Carry out the Key Programming Using Two Programmed Keys procedure.
Removal
1. NOTE: Any PCM replacement will require that ALL customer keys are available to be programmed at the time of installation. PCM replacement DOES NOT require new keys.
Retrieve the module configuration. Carry out the module configuration retrieval steps of the Programmable Module Installation procedure.
2. Remove the instrument panel side trim.
3. Remove the cowl side trim panel.
4. Remove the glove compartment.
5. Remove the passenger side lower footwell trim panel.
6. Remove the 2 generic electronic module (GEM) nuts and position aside.
7. Disconnect the PCM electrical connectors and remove the PCM.
Installation
1. Install the PCM and connect the electrical connectors.
2. CAUTION: Make sure that the PCM electrical connectors do not unlock when installing the GEM module.
Position the GEM module and install the 2 nuts.
- Tighten to 10 Nm (89 lb-in).
3. Install the passenger side lower footwell trim panel.
4. Install the glove compartment.
5. Install the cowl side trim panel.
6. Install the instrument panel side trim.
7. Restore the module configuration. Carry out the module configuration restore steps of the Programmable Module Installation procedure.
8. Reprogram the passive anti-theft system (PATS). Carry out the Key Programming Using Two Programmed Keys procedure.
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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.