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 MANUALSMAZDA1999PROTEGE LX L4-1.6L DOHCREPAIR AND DIAGNOSISRELAYS AND MODULESRELAYS AND MODULES - POWERTRAIN MANAGEMENTRELAYS AND MODULES - COMPUTERS AND CONTROL SYSTEMSENGINE CONTROL MODULESERVICE AND REPAIR
1999 Mazda Protege LX L4-1.6L DOHC
Engine Control Module: Service and Repair
1999 Mazda Protege LX L4-1.6L DOHCSECTION Service and Repair
1. Disconnect the negative battery cable.
2. Remove the front passenger side scuff plate.
3. Remove the front passenger side trims.
4. Partially peel off the floor covering from the front of the passenger's side.
WARNING: The edge of the PCM plate is sharp. Be careful not to cut yourself when handling the PCM plate.
5. Remove in the order indicated in the table.
6. Install in the reverse order of removal.
2. Remove the front passenger side scuff plate.
3. Remove the front passenger side trims.
4. Partially peel off the floor covering from the front of the passenger's side.
WARNING: The edge of the PCM plate is sharp. Be careful not to cut yourself when handling the PCM plate.
5. Remove in the order indicated in the table.
6. Install in the reverse order of removal.
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.