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
Control Valve Body: Inspection
- Check for oil leaks.
- Check that there is no deformation, cracks or other damages.
- Measure the resistance of each solenoid, sensor and ground wire.NOTE: Measurement should be performed at 20°C (68°F).
- Solenoid
Solenoid Terminal No. Standard Line pressure solenoid 1 - Control valve body 3.3 - 7.3 Ω Lock-up duty solenoid 2 - Control valve body 10 - 14.2 Ω F&R clutch solenoid 3 - Control valve body 3.3 - 7.3 Ω Secondary solenoid 4 - Control valve body 3.3 - 7.3 Ω Oil pump ON/OFF solenoid 6 - Control valve body 12.5 - 19.5 Ω Primary DOWN solenoid 7 - Control valve body 10 - 14.2 Ω Primary UP solenoid 8 - Control valve body 10 - 14.2 Ω AWD solenoid 9 - Control valve body 3.3 - 7.3 Ω - Sensor
Sensor Terminal No. Standard Oil temperature sensor 5 - 10 Approx. 2.5 kΩ [20°C (68°F)]
- Solenoid
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.