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 Outback BaseFACTORY OEM SERVICE PROCEDURE
Symptom Chart
NOTE:
The mirror heater operates with the rear window defogger at the same time. Refer to "INSPECTION" of "Rear Window Defogger System" for details. Ref. to GLASS/WINDOW/MIRRORS>REAR WINDOW DEFOGGER SYSTEM>INSPECTION .
- Without seat position memory
Symptoms Inspection order All function does not operate. - Check the fuse.
- Check the remote control mirror switch.
- Check the wiring harness.
One side of the mirror motor does not operate. - Check the remote control mirror switch.
- Check the mirror motor.
- Check the wiring harness.
Mirror heater does not operate. - Check the rear defogger switch.
- Check the rear defogger relay.
- Check the mirror heater.
- Check the wiring harness.
- Check body integrated unit.
- With seat position memory
- Mirror control: Ref. to DOOR MIRROR (DIAGNOSTICS)>DIAGNOSTICS WITH PHENOMENON .
- Mirror heater: Ref. to DOOR MIRROR (DIAGNOSTICS)>DIAGNOSTIC TROUBLE CODE (DTC) .
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:
- • 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.