Subaru 2009 IMPREZA Service Manual page 458

4. 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.
DTCs of freeze frame data
Air fuel ratio control system for bank 1
Engine load data
Engine coolant temperature signal
Short term fuel trim by front oxygen (A/F) sensor
Long term fuel trim by front oxygen (A/F) sensor
Intake manifold absolute pressure signal
Engine speed signal
Vehicle speed signal
Ignition timing advance for #1 cylinder
Intake air temperature signal
Intake air amount
Throttle position signal
Oxygen sensor (Bank 1 Sensor 2)
A/F correction (Bank 1 Sensor 2)
On-board diagnostic system
Front oxygen (A/F) sensor (Bank 1 Sensor 1)
Oxygen sensor (Bank 1 Sensor 2)
Elapsed time after engine start
Target EGR
EGR deviation
Evaporative purge
Fuel level signal
Fuel tank pressure signal
Atmospheric pressure
ECM power supply voltage
Absolute load
A/F target lambda
Relative throttle opening angle
Ambient temperature
Absolute throttle opening angle 2
Absolute accelerator opening angle 1
Absolute accelerator opening angle 2
Target throttle opening angle
NOTE:
For detailed operation procedures, refer to "PC application help for Subaru Select Monitor".
Subaru Select Monitor
Contents
EN(H4SO)(diag)-41
Display
Freeze frame data
Fuel system for Bank 1
Calculated load value
Coolant Temp.
Short term fuel trim B1
Long term fuel trim B1
Mani. Absolute Pressure
Engine Speed
Vehicle Speed
Ignition timing adv. #1
Intake Air Temp.
Mass Air Flow
Throttle Opening Angle
Oxygen sensor #12
Short term fuel trim #12
OBD system
Oxygen sensor #11
Oxygen sensor #12
Time Since Engine Start
Commanded EGR
EGR Error
Commanded Evap Purge
Fuel level
Fuel Tank Pressure
Atmosphere Pressure
Control module voltage
Absolute Load Value
Target Equivalence Ratio
Relative Throttle Pos.
Ambient Temperature
Absolute Throttle Pos.#2
Accelerator Pedal Pos.#1
Accelerator Pedal Pos.#2
Target Throt. Act. Cont.
ENGINE (DIAGNOSTICS)
Unit of measure
—
—
%
°C or °F
%
%
mmHg, kPa, inHg or psig
rpm
km/h or MPH
°
°C or °F
g/s or lb/m
%
V
%
—
—
—
sec
%
%
%
%
mmHg, kPa, inHg or psig
mmHg, kPa, inHg or psig
V
%
—
%
°C or °F
%
%
%
%