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DTC P1443 VENT CONTROL SOLENOID VALVE FUNCTION PROBLEM

DTC P1443 VENT CONTROL SOLENOID VALVE FUNCTION PROBLEM

DTC DETECTING CONDITION:


• Immediately at fault recognition

• GENERAL DESCRIPTION


TROUBLE SYMPTOM:

Improper fuel supply

Important

After repair or replacement of faulty parts, conduct Clear Memory Mode and Inspection Mode .


WIRING DIAGRAM:


CHECK ANY OTHER DTC ON DISPLAY.

Is any other DTC displayed?

Yes

Inspect the relevant DTC using “List of Diagnostic Trouble Code (DTC)”.


No


CHECK VENT LINE HOSES.

Check the following items.


• Clogging of vent hoses between canister and drain valve

• Clogging of vent hose between drain valve and air filter

• Clogging of drain filter


Is there a fault in vent line?

Yes

Repair or replace faulty parts.


No


CHECK DRAIN VALVE OPERATION.

Turn ignition switch to OFF.

Connect the test mode connector at the lower portion of instrument panel (on the driver’s side).

Turn ignition switch to ON.

Operate the drain valve.

Note

Drain valve operation can also be executed using Vehicle Diagnostic Interface. For the procedure, refer to “Compulsory Valve Operation Check Mode”.


Does the drain valve operate?

Yes

Contact Service Center.


No

Replace the drain valve.