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.

2022 Subaru Outback BaseFACTORY OEM SERVICE PROCEDURE

Horn System: Inspection

Check the horn sounds when applying the battery voltage to the horn assembly.

Horn assembly Lo side

Courtesy of SUBARU OF AMERICA, INC.

Horn assembly Hi side

Courtesy of SUBARU OF AMERICA, INC.

Terminal No.	Inspection conditions	Specification
1 (+) - Horn case (-)	Connect battery to the terminals	Sounds

If it does not operate normally, replace the horn assembly.

Chapter Navigation

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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.