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 Forester BaseFACTORY OEM SERVICE PROCEDURE
Battery Sensor: Installation
CAUTION:
- If the battery terminal is worn and the terminal section is loose, replace it with a new battery.
- After connecting the ground terminal to the battery sensor, the initial diagnosis of the electronic throttle control is conducted by the vehicle. Therefore, wait for 10 seconds or more after turning the ignition switch to ON, and then start the engine.
- Install the battery sensor.
- Clean and degrease the battery terminal, inside of the battery sensor terminal, ground terminal connecting area, and ground terminal.CAUTION: As residual anti-rust grease on the bolt thread may cause overtorque, clean and degrease the thread if anti-rust grease remains on it. Also, be careful to avoid battery sensor deformation and intrusion of anti-rust grease into the inside of the connector when wiping.
- Loosen the battery sensor nut up to just before the crimp to make sure that the clamp is open.CAUTION:
- The end of the bolt (a) of the battery sensor is crimped. Therefore, do not loosen the nut (b) to the crimped portion.
- Make sure that the seat (c) of battery sensor is fully in contact with the rotation stopper (d).
- Clean and degrease the battery terminal, inside of the battery sensor terminal, ground terminal connecting area, and ground terminal.
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.