Subaru IMPREZA GD 2007 Series Manual page 1928

asieps_tobira_IM_US.book 137 ページ ２０１２年１月１７日 火曜日 午後３時４８分
Diagnostic Trouble Code (DTC) Detecting Criteria
Drain valve
Drain valve controls the ambient air to be introduced to the canister.
3. ENABLE CONDITION
0.04-inch Diagnosis
Secondary Parameters
Battery voltage
Barometric pressure
Total time of canister purge operation
After engine starting
Learning value of evaporation gas density
Engine speed
Fuel tank pressure
Intake manifold relative vacuum (relative pres-
sure)
Vehicle speed
Fuel level
Closed air/fuel ratio control
Fuel temperature
Intake air temperature
Pressure change per second
Minimum pressure change value every one sec-
ond – Maximum pressure change value every
one second
Change of fuel level
Air fuel ratio
Enable Conditions
≥ 10.9 V
≥ 75.0 kPa (563 mmHg, 22.2 inHg)
120 seconds or more
335 seconds or more
≤ 0.08
1,050 — 6,500 rpm
< 1.4 kPa (11 mmHg, 0.41 inHg)
< –13.3 kPa (–100 mmHg, –3.93 inHg)
≥ 32 km/h (20 MPH)
9 — 51 2 (2.38 — 13.47 US gal, 1.98 — 11.22 Imp
gal)
In operation
–10 — 45°C (14 — 113°F)
≥ –10°C (14°F)
< 0.23 kPa (1.7 mmHg, 0.07 inHg)
< 0.23 kPa (1.7 mmHg, 0.07 inHg)
< 2.5 2/128 milliseconds
(0.66 US gal/128 milliseconds, 0.55 Imp gal/128 milli-
seconds)
0.76 — 1.25
GD(H4DOTC)-137
GENERAL DESCRIPTION
EN-02293