Nissan Frontier D22. Manual - part 301

DTC P0441 EVAP CONTROL SYSTEM

EC-307

[KA24DE]

C

D

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EC

3. 

CHECK PURGE FLOW

 Without CONSULT-II

1.

Start engine and warm it up to normal operating temperature.

2.

Stop engine.

3.

Disconnect vacuum hose connected to EVAP canister purge
volume control solenoid valve at EVAP service port and install
vacuum gauge.

4.

Start engine and let it idle for at least 60 seconds.

5.

Check vacuum gauge indication when revving engine up to
2,000 rpm.
Vacuum should exist.

6.

Release the accelerator pedal fully and let idle.
Vacuum should not exist.

OK or NG

OK

>> GO TO 8.

NG

>> GO TO 4.

4. 

CHECK EVAP PURGE LINE

Check EVAP purge line for improper connection or disconnection.
Refer to 

EC-565, "EVAPORATIVE EMISSION LINE DRAWING"

 .

OK or NG

OK

>> GO TO 5.

NG

>> Repair it.

5. 

CHECK EVAP PURGE HOSE AND PURGE PORT

1.

Disconnect purge hoses connected to EVAP service port A  and
EVAP canister purge volume control solenoid valve B .

2.

Blow air into each hose and EVAP purge port C .

3.

Check that air flows freely.

OK or NG

OK (With CONSULT-II)>>GO TO 6.
OK (Without CONSULT-II)>>GO TO 7.
NG

>> Repair or clean hoses and/or purge port.

SEF339V

SEF367U

SEF368U

EC-308

[KA24DE]

DTC P0441 EVAP CONTROL SYSTEM

6. 

 CHECK EVAP CANISTER PURGE VOLUME CONTROL SOLENOID VALVE

 With CONSULT-II

1.

Start engine.

2.

Perform  “PURG VOL CONT/V” in “ACTIVE TEST” mode with
CONSULT-II. Check that engine speed varies according to the
valve opening.

OK or NG

OK

>> GO TO 8.

NG

>> GO TO 7.

7. 

CHECK EVAP CANISTER PURGE VOLUME CONTROL SOLENOID VALVE

 With CONSULT-II

Check air passage continuity of EVAP canister purge volume control solenoid valve under the following condi-
tions.

 Without CONSULT-II

Check air passage continuity of EVAP canister purge volume control solenoid valve under the following condi-
tions.

OK or NG

OK

>> GO TO 8.

NG

>> Replace EVAP canister purge volume control solenoid valve.

SEF801Y

SEF334X

SEF335X

DTC P0441 EVAP CONTROL SYSTEM

EC-309

[KA24DE]

C

D

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EC

8. 

CHECK EVAP CONTROL SYSTEM PRESSURE SENSOR HOSE

1.

Turn ignition switch OFF.

2.

Check disconnection or improper connection of hose connected to EVAP control system pressure sensor.

OK or NG

OK

>> GO TO 9.

NG

>> Repair it.

9. 

CHECK CONNECTOR

1.

Disconnect EVAP control system pressure sensor harness con-
nector.

2.

Check connectors for water.
Water should not exist.

OK or NG

OK

>> GO TO 10.

NG

>> Replace EVAP control system pressure sensor.

10. 

CHECK EVAP CONTROL SYSTEM PRESSURE SENSOR AND CIRCUIT

Refer to “DTC Confirmation Procedure” for DTC P0452, 

EC-339

  and DTC P0453, 

EC-346

 .

OK or NG

OK (With CONSULT-II)>>GO TO 11.
OK (Without CONSULT-II)>>GO TO 12.
NG

>> Replace EVAP control system pressure sensor.

11. 

CHECK EVAP CANISTER VENT CONTROL VALVE-I

1.

Remove EVAP canister vent control valve from EVAP canister.

2.

Check portion B  of EVAP canister vent control valve for being
rusted.

OK or NG

OK

>> GO TO 12.

NG

>> Replace EVAP canister vent control valve.

SEF341V

BBIA0308E

EC-310

[KA24DE]

DTC P0441 EVAP CONTROL SYSTEM

12. 

CHECK EVAP CANISTER VENT CONTROL VALVE-II

 With CONSULT-II

1.

Reconnect harness connectors disconnected.

2.

Turn ignition switch “ON”.

3.

Perform “VENT CONTROL/V” in “ACTIVE TEST” mode.

4.

Check air passage continuity and operation delay time.

 Without CONSULT-II

Check air passage continuity and operation delay time under the fol-
lowing condition.

Operation takes less than 1 second.

OK or NG

OK

>> GO TO 14.

NG

>> GO TO 13.

13. 

CHECK EVAP CANISTER VENT CONTROL VALVE-III

1.

Clean the air passage (Portion A  to B ) of EVAP canister vent control valve using an air blower.

2.

Perform Test No. 12 again.

OK or NG

OK (With Consult-II)>>GO TO 14.
OK (Without Consult-II)>>GO TO 15.
NG

>> Replace EVAP canister vent control valve.

Condition

Air passage continuity between 

A and B

12V direct current supply between 
terminals 1 and 2

No

OFF

Yes

SEF803Y

BBIA0309E