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 Crosstrek HybridFACTORY OEM SERVICE PROCEDURE
Check Tank Inner Pressure Sensor Unit
- Check that the tank inner pressure sensor has no deformation, cracks or other damage.
- Connect the dry-cell battery positive terminal to the terminal No. 3 and the battery negative terminal to the terminal No. 1, and connect the circuit tester positive side to the terminal No. 2 and the circuit tester negative side to the terminal No. 1.NOTE:
- Use new dry-cell batteries.
- Using a circuit tester, check that the initial voltage of each dry-cell battery is 1.6 V or more. And also check that the voltage of three batteries in series is between 4.8 - 5.2 V.
- For power supply, 5 V DC constant voltage power source can also be used.
- Check the voltage at a normal atmospheric pressure.
NOTE:
The atmospheric pressure at higher altitude is lower than normal. Therefore, the voltage is lower than the standard value.
| Terminal No. | Standard |
|---|---|
| 2 (+) and 1 (-) | Approx. 2.2 V (when 25°C (77°F)) |
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.