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.
2012 Subaru Legacy LimitedFACTORY OEM SERVICE PROCEDURE
Read Current Data: Operation
For detailed operation procedures, refer to "PC application help for Subaru Select Monitor".
- The support data list is as follows.
| Item | Display | Unit of measure |
|---|---|---|
| Engine speed signal | Engine Speed | RPM |
| Battery voltage | Battery Voltage | V |
| Accelerator position sensor | Accel. Opening Angle | % |
| Vehicle speed converted from front vehicle speed sensor signal | Front Wheel Speed | km/h or MPH |
| Lock-up duty solenoid set duty ratio | Lock Up Duty Ratio | % |
| AWD solenoid set duty ratio | Transfer Duty Ratio | % |
| Turbine speed signal converted from primary speed sensor signal | Turbine Revolution Speed | RPM |
| ATF temperature sensor signal | ATF Temp. | °C or °F |
| Manual mode switch signal | Manual Mode Switch | ON or OFF |
| Manual mode down switch signal | Down Switch | ON or OFF |
| Stop light switch signal | Stop Light Switch | ON or OFF |
| Manual mode up switch signal | Up Switch | ON or OFF |
| Drive range signal | D Range Signal | ON or OFF |
| Reverse range signal | R Range Signal | ON or OFF |
| AT OIL TEMP light 2 Hz blink condition | Diagnosis Lamp | ON or OFF |
| AT OIL TEMP light ON condition | ATF Temperature Lamp | ON or OFF |
| Parking range signal | P Range | ON or OFF |
| Neutral range signal | N Range | ON or OFF |
| AT learning mode condition | AT learning | Completed or not completed |
| Secondary speed sensor signal | Secondary Pulley Speed | RPM |
| Secondary fluid pressure sensor signal | Actual secondary pressure | MPa |
| Secondary solenoid set current | Sec. Sol. Set Current | mA |
| Secondary solenoid actual current | Sec. Sol. Actual Current | mA |
| Gear ratio | Actual Gear Ratio | - |
| Shift step in manual mode | Shift step in Manu. mode | - |
| Primary UP solenoid set duty ratio | Primary UP Duty | % |
| Primary DOWN solenoid set duty ratio | Primary DOWN Duty | % |
| F & R solenoid set current | Commanded Forward & Reverse Linear Solenoid Current | mA |
| F & R solenoid actual current | Actual Forward & Reverse Linear Solenoid Current | mA |
| Primary speed sensor signal | Primary Pulley Speed | RPM |
| Front vehicle speed sensor signal Front Wheel Speed RPM | Lock-up ON/OFF solenoid set Lock-Up ON/OFF Solenoid | ON or OFF |
Factory Service Tools
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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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.