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Home >> Subaru >> 2021 >> Ascent Base >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (Diagnostics) (General) >> General Scan Tool >> Operation >> Mode $02 (Powertrain Freeze Frame Data)
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Mode $02 (Powertrain Freeze Frame Data)

Refer to data denoting the operating condition when trouble is detected by on-board diagnosis system.

A list of the support data and PID (Parameter Identification) codes are shown in the following table.

PID Data Unit
$02 DTC that caused freeze frame data to be stored -
$03 Fuel system control status -
$04 Calculated engine load value %
$05 Engine coolant temperature Celsius
$06 Short term fuel trim (bank 1) %
$07 Long term fuel trim (bank 1) %
$0B Intake manifold absolute pressure kPa
$0C Engine speed rpm
$0D Vehicle speed km/h
$0E Ignition timing advance °
$10 Intake air amount g/s
$11 Throttle valve opening angle %
$13 Air fuel ratio sensor -
$15 Oxygen sensor output voltage and short term fuel trim associated with oxygen sensor (bank 1 sensor 2) V and %
$1F Elapsed time after starting the engine sec
$24 A/F value and A/F sensor output voltage (bank 1 sensor 1) - and V
$2C Target EGR %
$2D EGR deviation %
$2E Evaporative purge %
$2F Fuel level %
$33 Barometric pressure kPa
$34 A/F value and A/F sensor current (bank 1 sensor 1) - and mA
$3C Catalyst temperature #1 Celsius
$42 ECM power voltage V
$43 Absolute load %
$44 A/F target lambda -
$45 Relative throttle opening angle %
$46 Ambient temperature Celsius
$47 Absolute throttle opening angle 2 %
$49 Absolute accelerator opening angle 1 %
$4A Absolute accelerator opening angle 2 %
$4C Target throttle opening angle %
$5C Engine oil temperature Celsius
$65 Neutral status -
$68 Intake air temperature Celsius
$6D Fuel pressure and target fuel pressure kPa
NOTE: Refer to general scan tool manufacturer's operation manual to access freeze frame data (MODE $02).