Condition for fault identification

Test condition:

The fault is recognized when the flow to the EVAP evaporative emission valve is reduced.

Potential problem source(s):

• Tank evaporative emissions valve seizes in closed position
• Obstruction in line between tank and intake manifold

Terminal condition: none

Voltage condition:

• Electrical system voltage > 10 V

Temperature condition:

• Coolant temperature > 71 °C
• Ambient temperature. > 4°C

Time condition:

• 180 sec.

Other conditions:

• Engine on
• Vehicle velocity = 0 km/h
• Tank EVAP system active