Nissan Versa Sedan. Manual - part 324

P0444, P0445 EVAP CANISTER PURGE VOLUME CONTROL SOLENOID 

VALVE

EC-295

< DTC/CIRCUIT DIAGNOSIS >

[HR16DE]

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

3.

CHECK EVAP CANISTER PURGE VOLUME CONTROL SOLENOID VALVE OUTPUT SIGNAL CIRCUIT

FOR OPEN AND SHORT

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.

4. Also check harness for short to ground and short to power.
Is the inspection result normal?

YES-1 >> With CONSULT: GO TO 4.

YES-2 >> Without CONSULT: GO TO 5.

NO

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

4.

CHECK EVAP CANISTER PURGE VOLUME CONTROL SOLENOID VALVE OPERATION

With CONSULT

1. Reconnect all harness connectors disconnected.

2. Start engine.

3. Perform “PURG VOL CONT/V” in “ACTIVE TEST” mode with CONSULT. Check that engine speed varies

according to the valve opening.

Does engine speed vary according to the valve opening?

YES

>> GO TO 6.

NO

>> GO TO 5.

5.

CHECK EVAP CANISTER PURGE VOLUME CONTROL SOLENOID VALVE

Refer to 

EC-295, "Component Inspection"

.

Is the inspection result normal?

YES

>> GO TO 6.

NO

>> Replace EVAP canister purge volume control solenoid valve. Refer to 

EM-27, "Removal and

Installation"

.

6.

CHECK INTERMITTENT INCIDENT

Refer to 

GI-45, "Intermittent Incident"

.

>> INSPECTION END

Component Inspection

INFOID:0000000009620489

1.

CHECK EVAP CANISTER PURGE VOLUME CONTROL SOLENOID VALVE

With CONSULT

1. Turn ignition switch OFF.

2. Reconnect all harness connectors disconnected.

3. Disconnect EVAP purge hoses connected to EVAP canister purge volume control solenoid valve.

4. Turn ignition switch ON.

5. Select “PURG VOL CONT/V” in “ACTIVE TEST” mode of “ENGINE” using CONSULT.

EVAP canister purge volume 

control solenoid valve

ECM

Continuity

Connector

Terminal

Connector

Terminal

F22

2

F10

9

Existed

EC-296

< DTC/CIRCUIT DIAGNOSIS >

[HR16DE]

P0444, P0445 EVAP CANISTER PURGE VOLUME CONTROL SOLENOID 

VALVE

6. Touch “Qd” and “Qu” on CONSULT screen to adjust “PURG

VOL C/V” opening and check air passage continuity of EVAP

canister purge volume control solenoid valve as per the follow-

ing conditions.

Without CONSULT

1. Turn ignition switch OFF.

2. Disconnect EVAP canister purge volume control solenoid valve harness connector.

3. Disconnect EVAP purge hoses connected to EVAP canister purge volume control solenoid valve.

4. Check air passage continuity of EVAP canister purge volume control solenoid valve as per the following

conditions.

Is the inspection result normal?

YES

>> INSPECTION END

NO

>> Replace EVAP canister purge volume control solenoid valve. Refer to 

EM-27, "Removal and

Installation"

.

Condition

(PURG VOL C/V value)

Air passage continuity 

between (A) and (B)

100%

Existed

0%

Not existed

PBIA9668J

Condition

Air passage continuity 

between (A) and (B)

12 V direct current supply between 
terminals 1 and 2

Existed

No supply

Not existed

P0447 EVAP CANISTER VENT CONTROL VALVE

EC-297

< DTC/CIRCUIT DIAGNOSIS >

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P0447 EVAP CANISTER VENT CONTROL VALVE

DTC Logic

INFOID:0000000009267178

DTC DETECTION LOGIC

DTC CONFIRMATION PROCEDURE

1.

PRECONDITIONING

If DTC Confirmation Procedure has been previously conducted, always perform the following procedure

before conducting the next test.

1. Turn ignition switch OFF and wait at least 10 seconds.

2. Turn ignition switch ON.

3. Turn ignition switch OFF and wait at least 10 seconds.

TESTING CONDITION:

Before performing the following procedure, confirm battery voltage is more than 11 V at idle.

>> GO TO 2.

2.

PERFORM DTC CONFIRMATION PROCEDURE

1. Start engine and wait at least 8 seconds.

2. Check 1st trip DTC.
Is 1st trip DTC detected?

YES

>> Proceed to 

EC-297, "Diagnosis Procedure"

.

NO

>> INSPECTION END

Diagnosis Procedure

INFOID:0000000009267179

1.

INSPECTION START

Do you have CONSULT?
Do you have CONSULT?

YES

>> GO TO 2.

NO

>> GO TO 3.

2.

CHECK EVAP CANISTER VENT CONTROL VALVE CIRCUIT

With CONSULT

1. Turn ignition switch OFF and then turn ON.

2. Select “VENT CONTROL/V” in “ACTIVE TEST” mode of “ENGINE” using CONSULT.

3. Touch “ON/OFF” on CONSULT screen.

4. Check for operating sound of the valve.

Is the inspection result normal?

YES

>> GO TO 7.

NO

>> GO TO 3.

3.

CHECK EVAP CANISTER VENT CONTROL VALVE POWER SUPPLY

1. Turn ignition switch OFF.

2. Disconnect EVAP canister vent control valve harness connector.

3. Turn ignition switch ON.

DTC No.

Trouble diagnosis name

(Trouble diagnosis content)

DTC detecting condition

Possible cause

P0447

VENT CONTROL VALVE
(EVAP canister vent control 
valve circuit open)

An improper voltage signal is sent to ECM 
through EVAP canister vent control valve.

• Harness or connectors

(EVAP canister vent control valve circuit is 
open or shorted.)

• EVAP canister vent control valve

Clicking sound should be heard.

EC-298

< DTC/CIRCUIT DIAGNOSIS >

[HR16DE]

P0447 EVAP CANISTER VENT CONTROL VALVE

4. Check the voltage between EVAP canister vent control valve harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 5.

NO

>> GO TO 4.

4.

CHECK EVAP CANISTER VENT CONTROL VALVE POWER SUPPLY CIRCUIT

1. Turn ignition switch OFF.

2. Disconnect IPDM E/R harness connector.

3. Check the continuity between EVAP canister vent control valve harness connector and IPDM E/R harness

connector.

4. Also check harness for short to ground.
Is the inspection result normal?

YES

>> Perform the trouble diagnosis for power supply circuit.

NO

>> Repair or replace error-detected parts.

5.

CHECK EVAP CANISTER VENT CONTROL VALVE OUTPUT SIGNAL CIRCUIT

1. Turn ignition switch OFF.

2. Disconnect ECM harness connector.

3. Check the continuity between EVAP canister vent control valve harness connector and ECM harness con-

nector.

4. Also check harness for short to power.
Is the inspection result normal?

YES

>> GO TO 6.

NO

>> Repair or replace error-detected parts.

6.

CHECK RUBBER TUBE FOR CLOGGING

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 7.

NO

>> Clean the rubber tube using an air blower.

7.

CHECK EVAP CANISTER VENT CONTROL VALVE

Check the EVAP canister vent control valve. Refer to 

EC-298, "Component Inspection"

.

Is the inspection result normal?

YES

>> Check intermittent incident. Refer to 

GI-45, "Intermittent Incident"

.

NO

>> Replace EVAP canister vent control valve. Refer to 

FL-15, "Removal and Installation"

Component Inspection

INFOID:0000000009267180

1.

CHECK EVAP CANISTER VENT CONTROL VALVE-I

1. Turn ignition switch OFF.

EVAP canister vent control valve

Ground

Voltage

Connector

Terminal

B5

1

Ground

Battery voltage

EVAP canister vent control valve

IPDM E/R

Continuity

Connector

Terminal

Connector

Terminal

B5

1

F42

39

Existed

EVAP canister vent control valve

ECM

Continuity

Connector

Terminal

Connector

Terminal

B5

2

F10

26

Existed