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 MANUALSSUBARU2014LEGACY 2.5I, AUTOMATIC CVT TRANSREPAIR AND DIAGNOSIS (SINGLE PAGE)ENGINE MECHANICALFUEL SYSTEMFUEL INJECTION SYSTEM (H4DO)ENGINE CONTROL MODULE (ECM)INSTALLATION
2014 Subaru Legacy 2.5i, Automatic CVT Trans
Engine Control Module (ECM): Installation
2014 Subaru Legacy 2.5i, Automatic CVT TransSECTION Installation
Install in the reverse order of removal.
CAUTION:
- When the ECM of model with immobilizer has been replaced, be sure to perform the registration of immobilizer system. (Refer to the "REGISTRATION MANUAL FOR IMMOBILIZER".)
- If replacing ECM or the bracket, replace both parts with new parts at a time.
- After installing the bracket to ECM, do not separate the bracket.
- If the bracket has been installed to ECM in the wrong direction, replace both parts to new parts.
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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.