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
Remote Control Mirror Switch: Inspection
- Disconnect the connector of the switch - door mirror.
- Check the resistance between switch - door mirror terminals.
Preparation tool:
Circuit tester
- Changeover switch RH
Terminal No. Inspection conditions Standard - OFF 1 MΩ or more 1 - 12
9 - 7UP Less than 1 Ω 1 - 9
12 - 7DOWN Less than 1 Ω 1 - 11
12 - 7LEFT Less than 1 Ω I - 12
11 - 7RIGHT Less than 1 Ω - Changeover switch LH
Terminal No. Inspection conditions Standard - OFF 1 MΩ or more 1 - 14
8 - 7UP Less than 1 Ω 1 - 8
14 - 7DOWN Less than 1 Ω 1 - 10
14 - 7LEFT Less than 1 Ω 1 - 14
10 - 7RIGHT Less than 1 Ω
- Changeover switch RH
- If the inspection result is not within the standard, replace the switch - door mirror.
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.