Nissan Frontier D22. Manual - part 598

DTC P0441 EVAP CONTROL SYSTEM

EC-1495

[VG33ER]

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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.
If OK, inspection end. If NG, go to following step.

3.

Check air passage continuity.

If NG, replace the EVAP canister purge volume control solenoid
valve.
OK or NG

OK

>> GO TO 8.

NG

>> Replace EVAP canister purge volume control solenoid

valve.

7. 

CHECK EVAP CANISTER PURGE VOLUME CONTROL SOLENOID VALVE

 Without CONSULT-II

Check air passage continuity.

If NG, replace the EVAP canister purge volume control solenoid
valve.

OK or NG

OK

>> GO TO 8.

NG

>> Replace EVAP canister purge volume control solenoid

valve.

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.

SEF985Y

Condition

PURG VOL CONT/V value

Air passage continuity between A 

and B

100%

Yes

0%

No

SEF660U

Condition

Air passage continuity between A 

and B

12V direct current supply 
between terminals 1 and 2

Yes

No supply

No

SEF661U

EC-1496

[VG33ER]

DTC P0441 EVAP CONTROL SYSTEM

9. 

CHECK EVAP CONTROL SYSTEM PRESSURE SENSOR 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 FUNCTION

Refer to DTC P0452, 

EC-1524, "DTC Confirmation Procedure"

  or P0453, 

EC-1530, "DTC Confirmation Pro-

cedure"

 .

OK or NG

OK

>> GO TO 11.

NG

>> Replace EVAP control system pressure sensor.

11. 

CHECK EVAP CANISTER VENT CONTROL VALVE

 With CONSULT-II

1.

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

2.

Check air passage continuity and operation delay time.

Operation takes less than 1second.

 Without CONSULT-II 

1.

Check air passage continuity and operation delay time under the
following condition.

Operation takes less than 1 second.

If NG or operation takes more than 1 second, clean valve using air
blower or replace as necessary.
If portion B  is rusted, replace control valve.
Make sure new O-ring is installed properly.
OK or NG

OK  (With CONSULT-II)>>GO TO 12.
OK (Without CONSULT-II)>>GO TO 13.
NG

>> Replace EVAP canister vent control valve.

AEC651A

Condition VENT CONTROL/V

Air passage continuity between 

A and B

ON

No

OFF

Yes

SEF013Z

Condition

Air passage continuity between 

A and B

12V direct current supply between 
terminals 1 and 2

No

OFF

Yes

BBIA0309E

DTC P0441 EVAP CONTROL SYSTEM

EC-1497

[VG33ER]

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12. 

CHECK CLOSED THROTTLE POSITION SWITCH

 With CONSULT-II

1.

Start engine and warm it up to normal operating temperature.

2.

Turn ignition switch OFF.

3.

Turn ignition switch ON.

4.

Select “DATA MONITOR” mode with CONSULT-II.

5.

Check indication of “CLSD THL/P SW”.
Measurement must be made with closed throttle position switch installed in vehicle.

If NG, adjust closed throttle position switch.
Check the following items. Refer to 

EC-1247, "Basic Inspection"

 .

6.

If it is impossible to adjust closed throttle position switch in Basic Inspection, replace closed throttle posi-
tion switch.

OK or NG

OK

>> GO TO 14.

NG

>> Replace throttle position switch with throttle position sensor.

Throttle valve conditions

CLSD THL/P SW

Completely closed

ON

Partially open or completely open

OFF

Items

Specifications

Ignitions timing

10

° ± 5° BTDC

Base idle speed

700 

± 50 rpm (in P or N position)

Closed throttle position switch idle 
position adjustment

Feeler gauge thickness and switch 
condition
0.3 mm (0.012 in): ON
0.4 mm (0.016 in): OFF

Target idle speed

750 

± 50 rpm (in P or N position)

EC-1498

[VG33ER]

DTC P0441 EVAP CONTROL SYSTEM

13. 

CHECK CLOSED THROTTLE POSITION SWITCH

 Without CONSULT-II

1.

Start engine and warm it up to normal operating temperature.

2.

Turn ignition switch OFF.

3.

Disconnect closed throttle position switch harness connector.

4.

Check continuity between closed throttle position switch termi-
nals 4 and 5.
Resistance measurement must be made with closed throttle
position switch installed in vehicle.

If NG, adjust closed throttle position switch.
Check the following items. Refer to 

EC-1247, "Basic Inspection"

.

5.

If it is impossible to adjust closed throttle position switch in Basic Inspection, replace closed throttle posi-
tion switch.

OK or NG

OK

>> GO TO 14.

NG

>> Replace throttle position switch with throttle position sensor.

14. 

CHECK EVAP PURGE LINE

Inspect EVAP purge line (pipe and rubber tube). Check for evidence of leaks.
Refer to 

EC-1741, "EVAPORATIVE EMISSION LINE DRAWING"

 .

OK or NG

OK

>> GO TO 15.

NG

>> Replace it.

15. 

CLEAN EVAP PURGE LINE

Clean EVAP purge line (pipe and rubber tube) using air blower.

>> GO TO 16.

16. 

CHECK INTERMITTENT INCIDENT

Refer to 

EC-1297, "TROUBLE DIAGNOSIS FOR INTERMITTENT INCIDENT"

 .

>> INSPECTION END.

Throttle valve conditions

Continuity

Completely closed

Yes

Partially open or completely closed

No

Items

Specifications

Ignitions timing

10

° ± 5° BTDC

Base idle speed

700 

± 50 rpm (in P or N position)

Closed throttle position switch idle 
position adjustment

Feeler gauge thickness and switch 
condition
0.3 mm (0.012 in): ON 
0.4 mm (0.016 in): OFF

Target idle speed

750 

± 50 rpm (in P or N position)

BBIA0423E