Diagnosis Procedure

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

   +		-	Voltage
   EVAP canister purge volume control solenoid valve
   Connector	Terminal
   F16	1	Ground	Battery voltage

Is the inspection result normal?

YES

GO TO 3.

NO

GO TO 2.

1. Turn ignition switch OFF.
2. Disconnect IPDM E/R harness connector.
3. Check the continuity between EVAP canister purge volume control solenoid valve harness connector and IPDM E/R harness connector.

   EVAP canister purge volume control solenoid valve		IPDM E/R		Continuity
   Connector	Terminal	Connector	Terminal
   F16	1	F19	59	Existed

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

Is the inspection result normal?

YES

Perform the trouble diagnosis for power supply circuit.

NO

Repair or replace error-detected parts.

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

   EVAP canister purge volume control solenoid valve		ECM		Continuity
   Connector	Terminal	Connector	Terminal
   F16	2	F79	155	Existed

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

Is the inspection result normal?

YES

GO TO 4.

NO

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

1. Disconnect EVAP control system pressure sensor harness connector.
2. Check connectors for water.

   Water should not exist.

Is the inspection result normal?

YES

GO TO 5.

NO

Replace EVAP control system pressure sensor. Refer to Removal and Installation .

Refer to Component Inspection .

Is the inspection result normal?

YES

With CONSULT: GO TO 6 .

YES

Without CONSULT: GO TO 7 .

NO

Replace EVAP control system pressure sensor. Refer to Removal and Installation .

With CONSULT

1. Turn ignition switch OFF.
2. Reconnect harness connectors disconnected.
3. Start the engine.
4. On CONSULT screen, select "ENGINE" >> "Active Test" >> "PURG VOL CONT/V".
5. Check that engine speed varies according to the valve opening.

Does engine speed vary according to the valve opening?

YES

GO TO 8.

NO

GO TO 7.

Refer to Component Inspection .

Is the inspection result normal?

YES

GO TO 8.

NO

Replace EVAP canister purge volume control solenoid valve. Refer to Component Parts Location .

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 9.

NO

Clean the rubber tube using an air blower.

Refer to Component Inspection .

Is the inspection result normal?

YES

GO TO 10.

NO

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

1. Remove EVAP canister with EVAP canister vent control valve and EVAP control system pressure sensor attached.
2. Check if water will drain from EVAP canister .

   Courtesy of NISSAN NORTH AMERICA, INC.

   : EVAP canister vent control valve

Does water drain from the EVAP canister?

YES

GO TO 11.

NO

INSPECTION END

Weigh the EVAP canister with the EVAP canister vent control valve and EVAP control system pressure sensor attached.

The weight should be less than 2.1 kg (4.6 lb).

Is the inspection result normal?

YES

INSPECTION END

NO

GO TO 12.

Check the following.

• EVAP canister for damage
• EVAP hose between EVAP canister and vehicle frame for clogging or poor connection

Repair hose or replace EVAP canister.