Subaru LEGACY 2006 Manual page 566

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Diagnostic Trouble Code (DTC) Detecting Criteria
Abnormality Judgment
If OK judgment cannot be made, extend Mode Z 16 seconds more, and Judge as NG when all the criteria be-
low are completed in 16 seconds.
Judgment Value
Malfunction Criteria
(Tank pressure when Mode Z started) –
(Tank pressure when Mode Z finished)
Tank pressure when Mode Z started
Time of 2 2 or more fuel no sloshing
Time Needed for Diagnosis: 16 seconds
Malfunction Indicator Light Illumination: Illuminates when malfunction occurs in 2 continuous driving cy-
cles.
When judgment for purge control solenoid valve stuck open NG is made, end the evaporative diagnosis.
Cancel the evaporative diagnosis when the OK/NG judgment for purge control solenoid valve stuck open
cannot be made in Mode Z.
Threshold Value DTC
> 0.6 kPa (4.5 mmHg, P0457
0.18 inHg)
≤ 1.43 kPa (10.7
mmHg, 0.42 inHg)
≥ 40 sec.
GD(H4SO)-129
GENERAL DESCRIPTION