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Home >> Subaru >> 2025 >> Forester Wilderness >> Repair and Diagnosis >> External Pages >> Different car >> Section 109 (CVT Transaxle System) >> Primary Pressure Sensor >> Inspection
July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!

Primary Pressure Sensor: Inspection

WARNING: This page is about a different car, the 2024 Subaru Ascent. However, it is still accessible from the selected car via links, so may be relevant.
  1. Check for oil leaks.
  2. Check [Primary Pressure Sensor Voltage.] of the primary pressure sensor.
    1. Connect the Subaru Select Monitor.
    2. Turn the ignition switch to ON. (Engine OFF)
    3. Display [Primary Pressure Sensor Voltage.].
    4. Start the engine and warm up completely.
    5. Shift the select lever to "D range".
    6. Shift the select lever to "P range".
    7. Check [Primary Pressure Sensor Voltage.] with the vehicle idling.
    8. Specification: 

      Approx. 0.6 V

    9. Stop the engine.
    10. Turn the ignition switch to ON. (Engine OFF)
    11. Check [Primary Pressure Sensor Voltage.].
    12. Specification: 

      Approx. 0.5 V