Refer to "Shop Manual" and viasullay and/or physically inspect following conditions;

▶ Vacuum hoses for splits, kinks and improper connections.

▶ Throttle Body Gasket.

▶ Gasket between Intake Manifold and Cylinder head.

▶ TSeals between Intake Manifold and Fuel Injectors.

▶ Exhaust system between O2 sensor and the Three way catalyst for air leakage.

▶ Air Cleaner filter element for excessive dirt or for any foreign objects.

▶ Throttle body inlet for damage or for any foreign objects.

▶ Throttle bore and throttle plate for chocking and for any foreign objects.

▶ Restricted exhaust system.

Has any problems been found?

▶ Repair as necessary and then go to "Verification of Vehicle Repair" procedure.

▶ Fault might be intermittent and caused either by poor contact in connectors or wiring harness, or it has been repaired and control module memory is not cleared yet. Thoroughly check terminal of battery, all connectors ( and connections) for looseness, bending, corrosion, contamination, deterioration, and/or damage. ▶ Repair or replace as necessary and then go to "Verification of Vehicle Repair" procedure.

Connect GDS to Data Link Connector(DLC).

Ignition "ON" & Engine "OFF".

Perform "Canister Purge Valve" in "Actuation Test" with GDS.

Monitor "Purge Control Valve" parameter in "Current Data" with GDS.

Is the parameter displayed within specification?

	▶ Go to next procedure.
	▶ Repair as necessary and then go to "Verification of Vehicle Repair" procedure.

Connect GDS to Data Link Connector(DLC).

Ignition "ON" & Engine "OFF".

Perform "Canister Shut Off Valve(OBD-2 Only)" and "Canister Shut Off Valve Clocked(OBD-2 Only)" in "Actuation Test" with GDS.

Monitor "Canister Close Valve(Option)" parameter in "Current Data" with GDS.

Is the parameter displayed within specification?

	▶ Go to next procedure.
	▶ Repair as necessary and then go to "Verification of Vehicle Repair" procedure.

Refer to "Shop Manual" and viasullay and/or physically inspect following conditions;

▶ Cracks or leakage on canister.

▶ Loose connection, distortion, or damage of the vapor hose/tube.

Has any problems been found?

Fig.1) A : Canister - Atmosphere / B : Canister - Fuel Tank / C : Canister - Intake Manifold

	▶ Repair as necessary and then go to "Verification of Vehicle Repair" procedure.
	▶ Check for poor connection between PCM and component: backed out terminal, improper mating, broken locks or poor terminal to wire connection. Repair as necessary and go to "Verification of Vehicle Repair" procedure.