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 MANUALSMAZDA20105 SPORT, 2.3 L, STANDARDREPAIR AND DIAGNOSISENGINE PERFORMANCEENGINE CONTROL SYSTEMSENGINE CONTROL SYSTEM [L3]PCM REMOVAL/INSTALLATION
2010 Mazda 5 Sport, 2.3 L, Standard
Pcm Removal/Installation
2010 Mazda 5 Sport, 2.3 L, StandardSECTION Pcm Removal/Installation
- When replacing the PCM, perform the following:
- PCM configuration (See PCM CONFIGURATION .)
- Remove the battery cover, battery duct, battery and battery tray with PCM. (See BATTERY REMOVAL/INSTALLATION [L3] .)
- Disconnect the PCM connector.
- Remove the PCM from the battery tray.
- When replacing the PCM on the vehicles, perform the following:
- PCM parameter reset (See IMMOBILIZER SYSTEM COMPONENT REPLACEMENT/KEY ADDITION AND CLEARING [KEYLESS ENTRY SYSTEM] .)
- Install in the reverse order of removal.
RENDER: 1.0x
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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.