Possible Causes

Malfunction is detected when EVAP control system does not operate properly, or there is a leak between intake manifold and EVAP-CSPS. Possible causes are:

EVAP-CPVCSV stuck closed.
Faulty EVAP-CSPS or circuit.
Loose, disconnected or improper connection of hoses.
Blockage in hoses.
Cracked EVAP canister.
EVAP canister purge volume control solenoid valve circuit.
Defective accelerator pedal position sensor.
Blocked purge port.
Defective EVAP Canister Vent Control Valve (EVAP-CVCV).

NOTE: If DTC confirmation test has been previously performed, turn ignition off and wait at least 10 seconds before performing next DTC confirmation test.

CAUTION: Always drive vehicle at a safe speed.

NOTE: For best results, perform test at a temperature of 32°F (0°C) or more.