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.
2021 Subaru WRX BaseFACTORY OEM SERVICE PROCEDURE
Active Test: List
WARNING: This page is about a different car, the 2022 Subaru WRX. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
If not equipped (depending on destination area or vehicle equipment condition), process will not go on.Β
| Active test item | Range | Contents | Execution condition |
|---|---|---|---|
| lock actuator LOCK output | ON/OFF | Forcibly activates the all door lock. | BATT voltage (control): 8.3 - 16.7 V |
| All seat UNLOCK output | ON/OFF | Forcibly activates the all door unlock. | BATT voltage (control): 8.3 - 16.7 V |
| R gate/trunk UNLOCK output | ON/OFF | R gate (without power rear gate)/Forcibly activates the trunk. | BATT voltage (control): 8.3 - 16.7 V |
| Shift lock solenoid output | ON/OFF | Forcibly activates the shift lock. | BATT voltage (control): 8.3 - 16.7 V |
| Key lock solenoid output | ON/OFF | Forcibly activates the key interlock. | BATT voltage (control): 8.3 - 16.7 V |
| Horn Output | ON/OFF | Forcibly activates the horn sound. | BATT voltage (control): 8.3 - 16.7 V |
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.
