Diagnosis Procedure

Will CONSULT be used?

Will CONSULT be used?

YES

GO TO 2.

NO

GO TO 3.

With CONSULT

1. Turn ignition switch OFF and then ON.
2. Select "VENT CONTROL/V" in "ACTIVE TEST" mode with CONSULT.
3. Touch "ON/OFF" on CONSULT screen.
4. Check for operating sound of the valve.

   Clicking sound should be heard.

Is the inspection result normal?

YES

GO TO 6.

NO

GO TO 3.

1. Turn ignition switch OFF.
2. Disconnect EVAP canister vent control valve harness connector.
3. Turn ignition switch ON.
4. Check the voltage between EVAP canister vent control valve harness connector and ground.

   +		-	Voltage
   EVAP canister vent control valve
   Connector	Terminal
   B39	1	Ground	Battery voltage

Is the inspection result normal?

YES

GO TO 4.

NO

Perform the trouble diagnosis for power supply circuit.

1. Turn ignition switch OFF.
2. Disconnect ECM harness connector.
3. Check the continuity between ECM harness connector and EVAP canister vent control valve harness connector.

   EVAP canister vent control valve		ECM		Continuity
   Connector	Terminal	Connector	Terminal
   B39	2	E10	141	Existed

4. Also check harness for short to ground and short to power.

Is the inspection result normal?

YES

GO TO 5.

NO

Repair open circuit, short to ground or short to power in harness or connectors.

1. Disconnect rubber tube connected to EVAP canister vent control valve.
2. Check the rubber tube for clogging.

Is the inspection result normal?

YES

GO TO 6.

NO

Clean the rubber tube using an air blower.

Check EVAP canister vent control valve. Refer to Component Inspection .

Is the inspection result normal?

YES

INSPECTION END

NO

Replace EVAP canister vent control valve. Refer to Removal and Installation .