Typical Enabling Conditions

Monitor runs whenever following DTCs are not present

None

EVAP key-off monitor runs when all of the following conditions are met

-

Atmospheric pressure

70 to 110 kPa-a (525 to 825 mmHg-a)

Battery voltage

10.5 V or more

Vehicle speed

Below 2.5 mph (4 km/h)

Ignition switch

off

Time after key off

5, 7 or 9.5 hours

EVAP pressure sensor malfunction (P0450, P0451, P0452 and P0453)

Not detected

EVAP canister purge valve

Not operated by scan tool

EVAP canister vent valve

Not operated by scan tool

EVAP leak detection pump

Not operated by scan tool

Both of the following conditions are met before key off

Conditions 1 and 2

1. Duration that vehicle has been driven

5 minutes or more

2. EVAP purge operation

Performed

ECT

4.4 to 35°C (40 to 95°F)

IAT

4.4 to 35° C (40 to 95° F)

Do It Yourself Car Diagnosis

Do It Yourself Car Diagnosis

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