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.
2018 Subaru WRX BaseFACTORY OEM SERVICE PROCEDURE
Function Check
| Display | Contents of display | Index No. |
|---|---|---|
| ABS Sequence Control Mode | Operate the valve and pump motor continuously to perform the ABS sequence control. | Ref. to VEHICLE DYNAMICS CONTROL (VDC)>ABS Sequence Control . |
| VDC Check Mode | Operate the valve and pump motor continuously to perform the VDC sequence control. | Ref. to VEHICLE DYNAMICS CONTROL (VDC)>VDC Sequence Control . |
| Brake Lamp Lighting Operation | Forcibly activate the stop light relay to illuminate the stop light. | Ref. to VEHICLE DYNAMICS CONTROL (VDC)>Brake Lamp Relay>OPERATION>BRAKE LIGHT LIGHTING OPERATION MODE BY SUBARU SELECT MONITOR . |
| VSC(VDC) Centering Mode | Set the steering angle sensor neutral position, and the lateral G sensor and longitudinal G sensor "0" point. | Ref. to VEHICLE DYNAMICS CONTROL (VDC)>VDC Control Module and Hydraulic Control Unit (VDCCM&H/U)>ADJUSTMENT>VDC SENSOR MIDPOINT SETTING MODE . |
Factory Service Tools
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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.
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