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Home >> Subaru >> 2013 >> Impreza WRX STi Limited >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls (Diagnostics) (WRX) >> Subaru Select Monitor >> Operation >> Read Freeze Frame Data For Engine (OBD Mode)

Read Freeze Frame Data For Engine (OBD Mode)

  1. On «Main Menu» display, select {Each System Check}.
  2. On «System Selection Menu» display, select {Engine Control System}.
  3. Click the [OK] button after the information of engine type has been displayed.
  4. On «Engine Diagnosis» display, select {OBD System}.
  5. On «OBD Menu» display, select {Freeze Frame Data Display}.
    • A list of the support data is shown in the following table.
    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 (Bank 1) Short term fuel trim B1 %
    Long term fuel trim by front oxygen (A/F) sensor (Bank 1) Long term fuel trim B1 %
    Intake manifold absolute pressure signal Mani. Absolute Pressure mmHg, kPa, inHg or psi
    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
    Amount of intake air Mass Air Flow g/s
    Throttle valve angle Throttle Opening Angle %
    Secondary air control status Secondary air system -
    Oxygen sensor #12 Oxygen sensor #12 V
    A/F correction #12 Short term fuel trim #12 %
    OBD system OBD System -
    Oxygen sensor #11 Oxygen sensor #11 -
    Oxygen sensor #12 Oxygen sensor #12 -
    Elapsed time after starting engine Time Since Engine Start sec
    Evaporative purge Evap Purge %
    Fuel level Fuel Level %
    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 Throttle Opening Angle %
    Neutral condition MT gear status -
    NOTE: For detailed operation procedures, refer to "PC application help for Subaru Select Monitor".