Subaru LEGACY 2006 Manual page 517

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Diagnostic Trouble Code (DTC) Detecting Criteria
GENERAL DESCRIPTION
Normality Judgment
Judge as OK when the malfunction criteria below continues for 10 seconds.
Judgment Value
Malfunction Criteria Threshold Value
≥ –20%
fsobd = (sglmd – tglmda) + faf + flaf
5. DTC CLEAR CONDITION
• When the OK idling cycle is completed 40 times in a row
• When "Clear Memory" is performed
6. MALFUNCTION INDICATOR LIGHT CLEAR CONDITION
• When similar driving conditions are repeated 3 times and the result is OK.
• When "Clear Memory" is performed
7. FAIL SAFE
Purge control solenoid valve control: Not allowed to purge.
8. ECM OPERATION AT DTC SETTING
Memorize the freeze frame data. (For test mode $02)
GD(H4SO)-80