LEMON Manuals: Even more car manuals for everyone
Home >> Audi >> 2016 >> S5 Prestige, 2D Convertible >> Repair and Diagnosis >> External Pages >> Different car >> Section 131 (Diagnostic Trouble Code (DTC) Detecting Criteria (H4DOTC)) >> Diagnostic Trouble Code (DTC) Detecting Criteria >> DTC P0442 Evaporative Emission Control System Leak Detected (Small Leak) >> Enable Condition >> 4-inch Diagnosis

4-inch Diagnosis

WARNING: This page is about a different car, the 2012 Subaru Forester. However, it is still accessible from the selected car via links, so may be relevant.
ENABLE CONDITION REFERENCE CHART

Secondary Parameters Enable Conditions
Battery voltage ≥ 10.9 V
Barometric pressure ≥ 75 kPa (563 mmHg, 22.2 inHg)
Total time of canister purge operation ≥ 120000 ms
Elapsed time after starting the engine ≥ 856s
Learning value of evaporation gas density < 0.08
Engine speed 1050 RPM - 6500 RPM
Fuel tank pressure ≥ -4 kPa (-30 mmHg, -1.2 inHg)
Intake manifold relative vacuum (relative pressure) ≥ - 13.3 kPa (- 100 mmHg, - 3.9 inHg)
Vehicle speed ≥ 32 km/h (19.9 MPH)
Fuel level 9.6 (2.54 US gal, 2.11 lmp gal) - 54.4 (14.37 US gal, 11.97 lmp gal)
Closed air/fuel ratio control In operation
Fuel temperature -10 °C (14°F) - 45 °C (113°F)
Intake air temperature ≥ -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 second - Maximum pressure change value every one second < 1.7 mmHg (Mode A)
< 1.7 mmHg (Mode D)
Change of fuel level per 128 milliseconds < 3 (0.79 US gal, 0.66 lmp gal)
Air fuel ratio 0.76 - 1.25