Subaru LEGACY 2006 Manual page 491

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Diagnostic Trouble Code (DTC) Detecting Criteria
GENERAL DESCRIPTION
5. DIAGNOSTIC METHOD
Abnormality Judgment
Judge as NG if the continuous time with the following conditions established is more than 2.5 seconds.
Judgment Value
Malfunction Criteria
Engine coolant temperature at the last
engine stop – Minimum engine coolant
temperature after the engine start
Fuel temperature at the last engine stop
– fuel temperature
Intake air temperature – fuel temperature < 2.5°C (4.5°F)
Fuel temperature
Normality Judgment
When the following conditions are established, judged as OK.
Judgment Value
Malfunction Criteria
Engine coolant temperature at the last
engine stop – Minimum engine coolant
temperature after the engine start
Time Needed for Diagnosis: 2.5 seconds
Malfunction Indicator Light Illumination: Illuminates when malfunction occurs in 2 continuous driving cy-
cles.
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
< 2.5°C (4.5°F)
> 5°C (9°F)
< 35°C (54°F)
Threshold Value
≥ 2.5°C (4.5°F)
GD(H4SO)-54