Subaru IMPREZA GD 2007 Series Manual page 1945

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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 meeting the malfunction criteria below becomes 15 seconds or
more.
Judgment Value
Malfunction Criteria
Fuel tank pressure
Fuel temperature
Atmospheric pressure
Time Needed for Diagnosis: 15 seconds
Malfunction Indicator Light Illumination: Illuminates as soon as a malfunction occurs.
Normality Judgment
Judge as OK if the criteria below are met.
Judgment Value
Malfunction Criteria
Fuel tank pressure
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 CONDITIONS
• When the OK driving cycle is completed three times in a row
• When "Clear Memory" is performed
8. FAIL SAFE
Purge control solenoid valve control: Purge fixed mode is prohibited.
9. ECM OPERATION AT DTC SETTING
Memorize the freeze frame data. (For test mode $02)
BR:DTC P0456 EVAPORATIVE EMISSION CONTROL SYSTEM LEAK DETECTED
(VERY SMALL LEAK)
1. OUTLINE OF DIAGNOSIS
For the detection standard, refer to DTC P0442 Evaporative system (Small leak).
<Ref. to GD(H4DOTC)-131, DTC P0442 EVAPORATIVE EMISSION CONTROL SYSTEM LEAK DETECT-
ED (SMALL LEAK), Diagnostic Trouble Code (DTC) Detecting Criteria.>
BS:DTC P0457 EVAPORATIVE EMISSION CONTROL SYSTEM LEAK DETECTED
(FUEL CAP LOOSE/OFF)
1. OUTLINE OF DIAGNOSIS
For the detection standard, refer to DTC P0442 Evaporative system (Small leak).
<Ref. to GD(H4DOTC)-131, DTC P0442 EVAPORATIVE EMISSION CONTROL SYSTEM LEAK DETECT-
ED (SMALL LEAK), Diagnostic Trouble Code (DTC) Detecting Criteria.>
Threshold Value
≥ 7.98 kPa (59.85
mmHg, 2.36 inHg)
< 35°C (95°F)
≥ 75.0 kPa (563
mmHg, 22.2 inHg)
Threshold Value
< 7.98 kPa (59.85
mmHg, 2.36 inHg)
GD(H4DOTC)-154