Subaru LEGACY 2006 Manual page 591

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Diagnostic Trouble Code (DTC) Detecting Criteria
GENERAL DESCRIPTION
5. DIAGNOSTIC METHOD
Abnormality Judgment
Judge as NG when the continuous time of completing the malfunction criteria below exceeds the time re-
quired for diagnosis (2.5 seconds).
Judgment Value
Malfunction Criteria
Ignition switch
Battery voltage
After engine starting
Output voltage
Time Needed for Diagnosis: 2.5 seconds
Malfunction Indicator Light Illumination: Illuminates when malfunction occurs in 2 continuous driving cy-
cles.
Normality Judgment
Judge as OK and clear the NG when the malfunction criteria below are met.
Judgment Value
Malfunction Criteria
Ignition switch
Battery voltage
After engine starting
Output voltage
6. DTC CLEAR CONDITION
• When the OK idling cycle is completed 40 times in a row
• When "Clear Memory" is performed
7. MALFUNCTION INDICATOR LIGHT CLEAR CONDITION
• When the OK driving cycle is completed 3 times in a row
• When "Clear Memory" is performed
8. FAIL SAFE
None
9. ECM OPERATION AT DTC SETTING
Memorize the freeze frame data. (For test mode $02)
Threshold Value
ON
≥ 10.9 V
3 seconds or more
≥ 7.213 V
Threshold Value
ON
≥ 10.9 V
3 seconds or more
< 7.213 V
GD(H4SO)-154