Subaru 2009 IMPREZA, Руководство по обслуживанию

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GD(H4SO)-105
Diagnostic Trouble Code (DTC) Detecting Criteria
GENERAL DESCRIPTION
Drain valve
Drain valve controls the ambient air to be introduced to the canister.
3. ENABLE CONDITIONS
0.04-inch Diagnosis
Secondary Parameters Enable Condition
Battery voltage
t
10.9 V
Barometric pressure
t
75 kPa (563 mmHg, 22.2 inHg)
Total time of canister purge operation
t
120000 ms
Elapsed time after starting the engine
t
856 s
Learning value of evaporation gas density < 0.08
Engine speed 1050 rpm — 6000 rpm
Fuel tank pressure
t
–4 kPa (–30 mmHg, –1.2 inHg)
Intake manifold relative vacuum (relative pres-
sure)
t
– 26.7 kPa (– 200 mmHg, – 7.9 inHg)
Vehicle speed
t
32 km/h (19.9 MPH)
Fuel level 9.6
2
(2.54 US gal, 2.11 Imp gal) — 54.4
2
(14.37 US gal,
11.97 Imp gal)
Closed air/fuel ratio control In operation
Fuel temperature –10 °C (14 °F) — 45 °C (113 °F)
Intake air temperature
t
–10 °C (14 °F)
Pressure change every one second < 1.7 mmHg (Mode A)
< 1.7 mmHg (Mode D)
Minimum pressure change value every one sec-
ond – Maximum pressure change value every
one second < 1.7 mmHg (Mode A)
< 1.7 mmHg (Mode D)
Change of fuel level per 128 milliseconds < 2
2
(0.53 US gal, 0.44 Imp gal)
Air fuel ratio 0.76 — 1.25
EN-02293