Subaru Legacy 2002 Service Manual page 550

3. MODE $02 (POWERTRAIN FREEZE FRAME DATA)
Refers to data denoting the operating condition when trouble is sensed by the on-board diagnosis system.
A list of the support data and PID (Parameter Identification) codes are shown in the following table.
PID Data
02 Trouble code that caused CARB required freeze frame data storage
03 Fuel system control status
04 Calculated engine load value
05 Engine coolant temperature
06 Short term fuel trim
07 Long term fuel trim
0B Intake manifold absolute pressure
0C Engine revolution
0D Vehicle speed
NOTE:
Refer to OBD-II general scan tool manufacturer's instruction manual to access freeze frame data (MODE
$02).
4. MODE $03 [EMISSION-RELATED POWERTRAIN DIAGNOSTIC TROUBLE CODE (DTC)]
S078527A1606
Refer to Read Diagnostic Trouble Code (DTC) for information about data denoting emission-related pow-
ertrain diagnostic trouble codes. <Ref. to EN-41, Read Diagnostic Trouble Code (DTC).>
5. MODE $04 (CLEAR/RESET EMISSION-RELATED DIAGNOSTIC INFORMATION)
Refers to the mode used to clear or reset emission-related diagnostic information (OBD-II trouble diagnos-
tic information).
NOTE:
Refer to OBD-II general scan tool manufacturer's instruction manual to clear or reset emission-related
diagnostic information (MODE $04).
OBD-II GENERAL SCAN TOOL
EN-33
S078527A1603
Engine (Diagnostics)
Unit of measure
—
—
%
°C
%
%
kPa
rpm
km/h
S078527A1605