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.
2016 Subaru BRZ Limited, Automatic TransFACTORY OEM SERVICE PROCEDURE
Work Support
- When replacing the main body ECM (Network gateway computer)
- For models without smart entry & start system, prepare all the registered keys.
- Use the SSM3 and carry out the following procedure.
- Connect the SSM3 to the DLC3.
- On the [Main Menu] screen, select [Each System Check].
- On the [System Selection Menu] screen, select [Integ. unit mode].
- Click the [OK] button after the control name (integrated unit) is displayed.
- On the [Integ. unit mode failure diag.] screen, select [Work Support].
- On the [Work Support] screen, select [ECM Replacement].
- Select [Destination/Reading of function setting] and follow the display screen instructions.NOTE: Keep a record of any customize registration content that is displayed during this process.
- If an ECM replacement instruction is displayed, click the [OK] button.
- Replace the main body ECM (Network gateway computer).NOTE:
- If you replace the main body ECM (Network gateway computer) without carrying out the above SSM3 procedure, start again and follow the above procedure.
- Restart the whole procedure if you happen to make a mistake along the way.
- After replacing the main body ECM (Network gateway computer)
- Use the SSM3 and carry out the following procedure.
- Use the SSM3 and progress to the [Main Menu] screen to select [Each System Check].
- On the [System Selection Menu] screen, select [Integ. unit mode].
- Click the [OK] button after the control name (integrated unit) is displayed.
- On the [Integ. unit mode failure diag.] screen, select [Work Support].
- On the [Work Support] screen, select [ECM Replacement].
- Select [Destination/Writing of function setting] and follow the display screen instructions.NOTE: Check that the customize registration content that is displayed during this process is the same as what was recorded earlier.
- If a writing complete message is displayed, click the [OK] button to finish the procedure.
NOTE: Restart the whole procedure if you happen to make a mistake along the way. - If you wish to correct or modify any customize content, select from [Integ. unit mode failure diag.] to [Unit customizing] in the above procedure to set the registration content.
- For models without smart entry & start system, register the immobilizer.NOTE: For detailed operations, refer to the "Registration manual for immobilizer."
- Use the SSM3 and carry out the following procedure.
Factory Service Tools
Use the Manual With the Right Hardware
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- β’ You smell fuel, burning insulation, or see smoke.
- β’ Brakes feel soft, pull hard to one side, or make grinding noises.
- β’ The engine overheats, stalls repeatedly, or misfires under load.
- β’ You are missing required tools, torque specs, or safe lifting equipment.
- β’ You are not confident in the next step or safety outcome.
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