Nissan Frontier D40. Manual - part 381

P0442 EVAP CONTROL SYSTEM

EC-215

< COMPONENT DIAGNOSIS >

[QR25DE]

C

D

E

F

G

H

I

J

K

L

M

A

EC

N

P

O

DTC Confirmation Procedure

INFOID:0000000005273210

NOTE:
If DTC Confirmation Procedure has been previously conducted, always turn ignition switch OFF and wait at
least 10 seconds before conducting the next test.
TESTING CONDITION:
• Perform “DTC WORK SUPPORT” when the fuel level is between 1/4 and 3/4 full, and vehicle is placed

on flat level surface.

• Always perform test at a temperature of 0 to 30

°

C (32 to 86

°

F).

WITH CONSULT-III

1.

Turn ignition switch ON.

2.

Turn ignition switch OFF and wait at least 10 seconds.

3.

Turn ignition switch ON and select “DATA MONITOR” mode with CONSULT-III.

4.

Make sure that the following conditions are met.
COOLAN TEMP/S: 0 - 70

°

C (32 - 158

°

F)

INT/A TEMP SE: 0 - 30

°

C (32 - 86

°

F)

5.

Select “EVAP SML LEAK P0442/P1442” of “EVAPORATIVE SYSTEM” in “DTC WORK SUPPORT” mode
with CONSULT-III.
Follow the instructions displayed.
NOTE:
If the engine speed cannot be maintained within the range displayed on the CONSULT-III screen, go to

EC-19, "Basic Inspection"

.

6.

Make sure that “OK” is displayed.
If “NG” is displayed, refer to 

EC-215, "Diagnosis Procedure"

.

NOTE:
Make sure that EVAP hoses are connected to the EVAP canister purge volume control solenoid
valve properly.

WITH GST

NOTE:
Be sure to read the explanation of 

EC-47, "Emission-related Diagnostic Information"

 before driving vehicle.

1.

Start engine.

2.

Drive vehicle according to 

EC-47, "Emission-related Diagnostic Information"

.

3.

Stop vehicle.

4.

Turn ignition switch OFF and wait at least 10 seconds and then turn ON.

5.

Select Service $07 with GST.

-

If P0442 is displayed on the screen, go to 

EC-215, "Diagnosis Procedure"

.

-

If P0441 is displayed on the screen, go to 

EC-210, "Diagnosis Procedure"

.

Diagnosis Procedure

INFOID:0000000005273211

1.

CHECK FUEL FILLER CAP DESIGN

1.

Turn ignition switch OFF.

2.

Check for genuine NISSAN fuel filler cap design.

OK or NG

OK

>> GO TO 2.

NG

>> Replace with genuine NISSAN fuel filler cap.

2.

CHECK FUEL FILLER CAP INSTALLATION

Check that the cap is tightened properly by rotating the cap clockwise.

OK or NG

OK

>> GO TO 3.

SEF915U

EC-216

< COMPONENT DIAGNOSIS >

[QR25DE]

P0442 EVAP CONTROL SYSTEM

NG

>> 1.

Open fuel filler cap, then clean cap and fuel filler neck threads using air blower.

2.

Retighten until ratcheting sound is heard.

3.

CHECK FUEL FILLER CAP FUNCTION

Check for air releasing sound while opening the fuel filler cap.

OK or NG

OK

>> GO TO 5.

NG

>> GO TO 4.

4.

CHECK FUEL TANK VACUUM RELIEF VALVE

Refer to 

EC-220, "Component Inspection"

.

OK or NG

OK

>> GO TO 5.

NG

>> Replace fuel filler cap with a genuine one.

5.

INSTALL THE PRESSURE PUMP

To locate the EVAP leak, install EVAP service port adapter and pres-
sure pump to EVAP service port securely.
For the location of EVAP service port.

NOTE:
Improper installation of the EVAP service port adapter to the
EVAP service port may cause leaking.

With CONSULT-III>>GO TO 6.
Without CONSULT-III>>GO TO 7.

6.

CHECK FOR EVAP LEAK

With CONSULT-III

1.

Turn ignition switch ON.

2.

Select “EVAP SYSTEM CLOSE” of “WORK SUPPORT” mode with CONSULT-III.

3.

Touch “START” and apply pressure into the EVAP line until the pressure indicator reaches the middle of
the bar graph.

CAUTION:

• Never use compressed air or a high pressure pump.
• Never exceed 4.12 kPa (0.042 kg/cm

2

, 0.6 psi) of pressure in the system.

BBIA0620E

SEF916U

P0442 EVAP CONTROL SYSTEM

EC-217

< COMPONENT DIAGNOSIS >

[QR25DE]

C

D

E

F

G

H

I

J

K

L

M

A

EC

N

P

O

4.

Using EVAP leak detector, locate the EVAP leak. For the leak
detector, refer to the instruction manual for more details.
Refer to 

EC-457, "How to Detect Fuel Vapor Leakage"

.

OK or NG

OK

>> GO TO 8.

NG

>> Repair or replace.

7.

CHECK FOR EVAP LEAK

Without CONSULT-III

1.

Turn ignition switch OFF.

2.

Apply 12 volts DC to EVAP canister vent control valve (1). The
valve will close. (Continue to apply 12 volts until the end of test.)
- EVAP control system pressure sensor (2)
- Drain filter (3)
- EVAP canister (4)
- 

 : Vehicle front

3.

Pressurize the EVAP line using pressure pump with 1.3 to 2.7
kPa (10 to 20 mmHg, 0.39 to 0.79 inHg), then remove pump and
EVAP service port adapter.

CAUTION:

• Never use compressed air or a high pressure pump.
• Never exceed 4.12 kPa (0.042 kg/cm

2

, 0.6 psi) of pressure

in the system.

4.

Using EVAP leak detector, locate the EVAP leak. For the leak
detector, refer to the instruction manual for more details. Refer
to 

EC-457, "How to Detect Fuel Vapor Leakage"

.

OK or NG

OK

>> GO TO 8.

NG

>> Repair or replace.

8.

CHECK EVAP CANISTER VENT CONTROL VALVE

Check the following,
• EVAP canister vent control valve is installed properly.

Refer to 

EC-459, "Removal and Installation"

.

• EVAP canister vent control valve.

Refer to 

EC-231, "Component Inspection"

. 

OK or NG

OK

>> GO TO 9.

NG

>> Repair or replace EVAP canister vent control valve and O-ring.

9.

CHECK IF EVAP CANISTER IS SATURATED WITH WATER

1.

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

SEF200U

ALBIA0514ZZ

SEF200U

EC-218

< COMPONENT DIAGNOSIS >

[QR25DE]

P0442 EVAP CONTROL SYSTEM

2.

Does water drain from the EVAP canister?

Yes or No

Yes

>> GO TO 10.

No (With CONSULT-III)>>GO TO 12.
No (Without CONSULT-III)>>GO TO 13.

10.

CHECK EVAP CANISTER

Weigh the EVAP canister with the EVAP canister vent control valve and EVAP control system pressure sen-
sorattached.
The weight should be less than 2.0 kg (4.4 lb).

OK or NG

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

>> GO TO 11.

11.

DETECT MALFUNCTIONING PART

Check the following.
• EVAP canister for damage
• EVAP hose connected to EVAP canister and vehicle frame for clogging or poor connection

>> Repair hose or replace EVAP canister.

12.

CHECK EVAP CANISTER PURGE VOLUME CONTROL SOLENOID VALVE OPERATION

With CONSULT-III

1.

Disconnect vacuum hose from EVAP canister purge volume control solenoid valve at EVAP service port.

2.

Start engine.

3.

Perform “PURG VOL CONT/V” in “ACTIVE TEST” mode.

4.

Touch “Qu” on CONSULT-III screen to increase “PURG VOL CONT/V” opening to 100%.

5.

Check vacuum hose for vacuum when revving engine up to 2,000 rpm.

OK or NG

OK

>> GO TO 15.

NG

>> GO TO 14.

13.

CHECK EVAP CANISTER PURGE VOLUME CONTROL SOLENOID VALVE OPERATION

Without CONSULT-III

1.

Start engine and warm it up to normal operating temperature.

2.

Stop engine.

3.

Disconnect vacuum hose to EVAP canister purge volume control solenoid valve at EVAP service port.

4.

Start engine and let it idle for at least 80 seconds.

5.

Check vacuum hose for vacuum when revving engine up to 2,000 rpm.

OK or NG

OK

>> GO TO 15.

NG

>> GO TO 14.

14.

CHECK VACUUM HOSE

Check vacuum hoses for clogging or disconnection. Refer to 

EC-42, "Description"

.

OK or NG

BBIA0558E

Vacuum should exist.

Vacuum should exist.