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.
2009 Subaru Outback LimitedFACTORY OEM SERVICE PROCEDURE
Read Freeze Frame Data For Engine (OBD Mode)
- On the «Main Menu» display screen, select the {Each System Check}.
- On the «System Selection Menu» display screen, select the {Engine Control System}.
- Click the [OK] button after the information of engine type has been displayed.
- On the «Engine Diagnosis» display screen, select the {OBD System}.
- On the «OBD Menu» display screen, select the {Freeze Frame Data Display}.
- A list of the support data is shown in the following table.SUPPORT DATA LIST
Contents Display Unit of measure DTCs of freeze frame data Freeze frame data - Air fuel ratio control system for bank 1 Fuel system for Bank 1 - Engine load data Calculated load value % Engine coolant temperature signal Coolant Temp. °C or °F Short term fuel trim by front oxygen (A/F) sensor (Bank 1) Short term fuel trim B1 % Long term fuel trim by front oxygen (A/F) sensor Long term fuel trim B1 % Intake manifold absolute pressure signal Mani. Absolute Pressure mmHg, kPa, inHg or psig Engine speed signal Engine Speed RPM Vehicle speed signal Vehicle Speed km/h or MPH Ignition timing advance for #1 cylinder Ignition timing adv. #1 ° Intake air temperature signal Intake Air Temp. °C or °F Intake air amount Mass Air Flow g/s or lb/m Throttle position signal Throttle Opening Angle % Oxygen sensor (Bank 1 Sensor 2) Oxygen sensor #12 V A/F correction (Bank 1 Sensor 2) Short term fuel trim #12 % On-board diagnostic system OBD System - Front oxygen (A/F) sensor (bank 1 sensor 1) Oxygen sensor #11 - Oxygen sensor (Bank 1 Sensor 2) Oxygen sensor #12 - Elapsed time after engine start Time Since Engine Start sec Target EGR Commanded EGR % EGR deviation EGR Error % Evaporative purge Commanded Evap Purge % Fuel level signal Fuel Level % Fuel tank pressure signal Fuel Tank Pressure mmHg, kPa, inHg or psig Atmospheric pressure Atmosphere Pressure mmHg, kPa, inHg or psig ECM power supply voltage Control module voltage V Absolute load Absolute Load Value % A/F target lambda Target Equivalence Ratio - Relative throttle opening angle Relative Throttle Pos. % Ambient temperature Ambient Temperature °C or °F Absolute throttle opening angle 2 Absolute Throttle Pos.#2 % Absolute accelerator opening angle 1 Accelerator Pedal Pos.#1 % Absolute accelerator opening angle 2 Accelerator Pedal Pos.#2 % Target throttle opening angle Target Throt. Act. Cont. %
NOTE:
For detailed operation procedures, refer to the "SUBARU SELECT MONITOR ".
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.
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