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Home >> Subaru >> 2005 >> Impreza WRX STi >> 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} and press the [YES] key.
  2. On the < System Selection Menu > display screen, select the {Engine Control System} and press the [YES] key.
  3. Press the [YES] key after the information of engine type is displayed.
  4. On the < Engine Diagnosis > display screen, select the {OBD System} and press the [YES] key.
  5. On the < OBD Menu > display screen, select the {Freeze Frame Data} and press the [YES] key.
ENGINE FREEZE FRAME DATA (OBD MODE)

Contents Display Unit of measure
DTC for freeze frame data Freeze frame data DTC
Air fuel ratio control system for bank 1 Fuel system for Bank 1 Closed loop or Open loop
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 psi
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 Intake Air Flow g/s
Throttle position signal Throttle Opening Angle %
NOTE: For detailed operation procedure, refer to the SUBARU SELECT MONITOR OPERATION MANUAL.