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.
2015 Subaru BRZ Series.Blue, Automatic TransFACTORY OEM SERVICE PROCEDURE
On-Vehicle Inspection
- Ignition coil assembly inspection
- Input voltage inspection
- Disconnect the connector of the ignition coil assembly.
- Turn the ignition switch to ON.
- Check the voltage between terminals of the vehicle side connector for the ignition coil assembly.
Voltage
Inspection terminals Inspection conditions Standard value C38-1 - chassis ground IG ON 11 to 14 V C28-1 - chassis ground IG ON 11 to 14 V C39-1 - chassis ground IG ON 11 to 14 V C27-1 - chassis ground IG ON 11 to 14 V - Turn the ignition switch to OFF.
- Input voltage inspection
- Spark Inspection
- Check the DTC. (Refer to
MALFUNCTION SYMPTOMS AND DTC CHECK
)CAUTION: When DTC is detected, perform the troubleshooting for DTC.
- Remove 4 ignition coils and 4 spark plugs. (Refer to REMOVALΒ )
- Use the following procedures to remove the SST.
- Using the SST, lift the engine assembly.
SST 99099AJ000, 18679AA020
- Remove the SST.
SST 18632AA020
- Install two new nuts of engine mounting.
Standard value: T=60N.m {612kgf.cm} {44.2ft.lbf}
- Using the SST, lift the engine assembly.
- Remove the 2 bolts, and remove the intake manifold protector (bank 1 side).
- Disconnect 2 connectors for the fuel injector and disconnect the clamp.
- Install the intake manifold protector (bank 1 side).
- Install the injector driver.NOTE: Leave 2 upper connectors disconnected.
- Check the DTC. (Refer to
MALFUNCTION SYMPTOMS AND DTC CHECK
)
Factory Service Tools
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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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.
