LEMON Manuals: Even more car manuals for everyone
Home >> Audi >> 2010 >> S4 Automatic DCT >> Repair and Diagnosis >> External Pages >> Different car >> Section 210 (Diagnostic Trouble Code (DTC) Detecting Criteria (H4DO)) >> Diagnostic Trouble Code (DTC) Detecting Criteria >> DTC P0451 Evaporative Emission System Pressure Sensor/Switch Range/Performance >> Enable Conditions

Enable Conditions

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
Ignition switch ON
Engine speed < 300 rpm
Vehicle speed < 1 km/h (0.621 MPH)
Soaking time ≥ 60s
Variation value of intake manifold pressure (absolute pressure) since ignition switch is turned to ON < 1.332 kPa (9.99 mmHg, 0.39 inHg)
ELCM vacuum pump Not in operation
ELCM switching valve Open
Purge control Not in operation