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Home >> Subaru >> 2008 >> Forester XT, Automatic >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Engine (Diagnostics) (H4DOTC) >> Subaru Select Monitor >> Operation >> Read Freeze Frame Data For Engine (OBD Mode)
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Read Freeze Frame Data For Engine (OBD Mode)

  1. On the « Main Menu » display screen, select the {Each System Check}.
  2. On the « System Selection Menu » display screen, select the {Engine Control System}.
  3. Click the [OK] button after the information of engine type has been displayed.
  4. On the « Engine Diagnosis » display screen, select the {OBD System}.
  5. 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

    Content Display Unit of measure
    DTC 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 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
    Amount of intake air Mass Air Flow g/s
    Throttle position signal Throttle Opening Angle %
    Secondary air system Secondary air system -
    Rear oxygen sensor output voltage Oxygen sensor #12 V
    Short term fuel trim by rear oxygen sensor Short term fuel trim #12 %
    On-board diagnostic system OBD System -
    Oxygen sensor #11 Oxygen sensor #11 -
    Oxygen sensor #12 Oxygen sensor #12 -
    Time elapsed after engine start Elapsed Time After Starting Engine sec
    Evaporative purge Evaporative purge %
    Fuel level signal Fuel level %
    Fuel tank pressure signal Tank pressure mmHg, kPa, inHg or psig
    Atmospheric pressure Atmospheric Pressure mmHg, kPa, inHg or psig
    ECM power voltage ECM power voltage V
    Absolute load Absolute load %
    A/F ratio target lambda A/F target lambda -
    Relative throttle opening angle Relative throttle position %
    Ambient temperature Ambient temperature °C or °F
    Absolute throttle opening angle 2 Absolute throttle opening angle 2 %
    Absolute accelerator opening angle 1 Absolute accelerator opening angle 1 %
    Absolute accelerator opening angle 2 Absolute accelerator opening angle 2 %
    Target throttle opening angle Target throttle opening angle %
    NOTE: For detailed operation procedure, refer to the "PC application help for Subaru Select Monitor".
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