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 WRX BaseFACTORY OEM SERVICE PROCEDURE
Lighting Switch
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.
- Other than for C0
Terminal No. Inspection conditions Standard 18 - 13
19 - 13
20 - 13Switch OFF 1 MΞ© or more 19 - 13 Switch AUTO Less than 1 Ξ© 18 - 13 Switch 1 (TAIL) Less than 1 Ξ© 18 - 13
20 - 13Switch 2 (HEAD) Less than 1 Ξ© - For C0
Terminal No. Inspection conditions Standard 18 - 13 Switch OFF Less than 1 Ξ© 18 - 13
19 - 13
20 - 13Switch AUTO 1 MΞ© or more 19 - 13 Switch 1 (TAIL) Less than 1 Ξ© 19 - 13
20 - 13Switch 2 (HEAD) Less than 1 Ξ©
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:
- 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.