Subaru IMPREZA GD 2007 Series Manual page 140

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4. MODE $03 (EMISSION-RELATED POWERTRAIN DTC)
Refer to "Read Diagnostic Trouble Code (DTC)" for information about data denoting emission-related pow-
ertrain DTC. <Ref. to EN(H4SO)(diag)-72, List of Diagnostic Trouble Code (DTC).>
5. MODE $04 (CLEAR/RESET EMISSION-RELATED DIAGNOSTIC INFORMATION)
Refer to the mode used to clear or reset emission-related diagnostic information (OBD-II trouble diagnostic
information).
NOTE:
Refer to general scan tool manufacturer's instruction manual to clear the emission-related diagnostic infor-
mation (MODE $04).
6. MODE $06
Refer to test value of troubleshooting and data of test limit indicated on the support data bit sequence table.
A list of the support data is shown in the following table.
TID CID
$81
$41 Rear oxygen sensor circuit (Bank 1 Sensor 2)
$02
$81 $01 Catalytic converter system
$81
$82 EGR system
$02
$01 Evaporative emission control system (0.04 inch leak)
$02 Evaporative emission control system (0.04 inch leak)
$03 Evaporative emission control system (0.04 inch leak)
$83
$04 Evaporative emission control system (0.04 inch leak)
$05 Evaporative emission control system (0.02 inch leak)
$86 Evaporative emission control system (0.02 inch leak)
$84 $01 Front oxygen (A/F) sensor response (Bank 1 Sensor 1)
Rear oxygen sensor response (Bank 1 Sensor 2) rich → lean
$01
$85
Rear oxygen sensor response (Bank 1 Sensor 2) lean → rich
$02
7. MODE $07
Refer to the data of DTC (pending code) for troubleshooting result about emission in the first time.
8. MODE $09
Refer to data of vehicle specification (V.I.N., calibration ID, diagnosis frequency etc.).
General Scan Tool
Diagnostic value and trouble standard value
EN(H4SO)(diag)-31
ENGINE (DIAGNOSTICS)