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 MANUALSSUBARU2012IMPREZA WRX STI F4-2.5L DOHC TURBOREPAIR AND DIAGNOSISRELAYS AND MODULESRELAYS AND MODULES - POWERTRAIN MANAGEMENTRELAYS AND MODULES - COMPUTERS AND CONTROL SYSTEMSBODY CONTROL MODULEDESCRIPTION AND OPERATION
2012 Subaru Impreza WRX STI F4-2.5L DOHC Turbo
Body Control Module: Description and Operation
2012 Subaru Impreza WRX STI F4-2.5L DOHC TurboSECTION Description and Operation
Body Integrated Unit
NOTE
1. WHEN REPLACING THE BODY INTEGRATED UNIT
1. Check and record the current setting. Subaru Select Monitor
2. Prepare the following.
- Security ID plate
- Required number of registered immobilizer keys or new (not registered) immobilizer keys.
2. AFTER REPLACING THE BODY INTEGRATED UNIT
1. Register the immobilizer. For detailed operation procedures, refer to "PC application help for Subaru Select Monitor".
2. Set the current settings as recorded.
NOTE
1. WHEN REPLACING THE BODY INTEGRATED UNIT
1. Check and record the current setting. Subaru Select Monitor
2. Prepare the following.
- Security ID plate
- Required number of registered immobilizer keys or new (not registered) immobilizer keys.
2. AFTER REPLACING THE BODY INTEGRATED UNIT
1. Register the immobilizer. For detailed operation procedures, refer to "PC application help for Subaru Select Monitor".
2. Set the current settings as recorded.
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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.