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 Tribeca BaseFACTORY OEM SERVICE PROCEDURE
Read Freeze Frame Data For Engine (OBD Mode)
- On the «Main Menu», select {Each System Check}.
- On the «System Selection Menu», select {Engine Control System}.
- Click the [OK] key after the information regarding 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.
FREEZE FRAME DATA REFERENCEDescription Display Unit of measure DTC of freeze frame data Freeze frame data DTC Air fuel ratio control system for bank 1 Fuel system for Bank 1 - Air fuel ratio control system for bank 2 Fuel system for Bank 2 - 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 (Bank 1) Long term fuel trim B1 % Short term fuel trim by front oxygen (A/F) sensor (Bank 2) Short term fuel trim B2 % Long term fuel trim by front oxygen (A/F) sensor (Bank 2) Long term fuel trim B2 % 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 adv. #1 Ignition timing adv. #1 ° Intake air temperature Intake Air Temp. °C or °F Amount of intake air Mass Air Flow g/s Throttle valve angle Throttle Opening Angle % Oxygen sensor #12 Oxygen sensor #12 V A/F correction value #12 Short term fuel trim #12 % Oxygen sensor #22 Oxygen sensor #22 V A/F correction value #22 Short term fuel trim #22 % On-board diagnostic system OBD System OBD/OBD2 Oxygen sensor #11 Oxygen sensor #11 Support Oxygen sensor #12 Oxygen sensor #12 Support Oxygen sensor #21 Oxygen sensor #21 Support Oxygen sensor #22 Oxygen sensor #22 Support 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 Barometric 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 procedure, refer to 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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