Nissan Frontier D22. Manual - part 303

DTC P0442 EVAP CONTROL SYSTEM

EC-315

[KA24DE]

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EC

●

Always perform test at a temperature of 0 to 30

°C (32 to

86

°F).

1.

Turn ignition switch ON.

2.

Turn ignition switch OFF and wait at least 5 seconds.

3.

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

4.

Check that the following conditions are met.

5.

Select “EVAP SML LEAK P0442/P1442” of “EVAP SYSTEM” in
“DTC WORK SUPPORT” mode with CONSULT-II. Follow the instruction displayed.

NOTE:

●

If the engine cannot be maintained within the range on CONSULT-II screen, go to 

EC-74, "Basic

Inspection"

 .

6.

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

EC-316, "Diagnostic Procedure"

 .

 WITH GST

1.

Start engine.

2.

Drive vehicle according to 

EC-58, "Driving Pattern"

 . 

NOTE:
Be sure to read the explanation of 

EC-58, "Driving Pattern"

  before driving vehicle.

3.

Stop vehicle.

4.

Select “MODE 1” with GST.

–

If SRT of EVAP system is not set yet, go to the following step.

–

If SRT of EVAP system is set, the result will be OK.

5.

Turn ignition switch OFF and wait at least 5 seconds.

6.

Start engine.
It is not necessary to cool engine down before driving.

7.

Drive vehicle again according to the 

EC-58, "Driving Pattern"

 .

8.

Stop vehicle.

9.

Select “MODE 3” with GST.

–

If P0441 is displayed on the screen, go to 

EC-316, "Diagnostic Procedure"

 .

COOLAN TEMP/S

0 - 70

°C (32 - 158°F)

INT/A TEMP SE

0 - 60

°C (32 - 140°F)

SEF475Y

PBIB0829E

LEC048A

EC-316

[KA24DE]

DTC P0442 EVAP CONTROL SYSTEM

–

If P0442 is displayed on the screen, go to 

EC-316, "Diagnostic Procedure"

 .

–

If P0441 and P0442 are not displayed on the screen, go to the following step.

10. Select “MODE 1” with GST.

–

If SRT of EVAP system is set, the result will be OK.

–

If SRT of EVAP system is not set, go to step 5.

Diagnostic Procedure

UBS00D7F

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 rotating the cap clockwise.

OK or NG

OK

>> GO TO 3.

NG

>>

●

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

●

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.

SEF915U

DTC P0442 EVAP CONTROL SYSTEM

EC-317

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4. 

CHECK FUEL TANK VACUUM RELIEF VALVE (BUILT INTO FUEL FILLER CAP)

1.

Wipe clean valve housing.

2.

Check valve opening pressure and vacuum.

CAUTION:

Use only a genuine NISSAN fuel filler cap as a replacement.
If an incorrect fuel filler cap is used, the MIL may come on.

OK or NG

OK

>> GO TO 5.

NG

>> Replace fuel filler cap with a genuine one.

5. 

INSTALL PRESSURE PUMP

1.

Install the EVAP service port adapter and the pressure pump
securely to EVAP service port.

NOTE:

●

Improper installation of service port may cause leaking.

Models with CONSULT-II>>GO TO 6.
Models without CONSULT-II>>GO TO 7.

SEF445Y

Pressure

: 16.0 - 20.0 kPa

 (0.163 - 0.204 kg/cm

2

 , 2.32 - 2.90 psi)

Vacuum

: 

−6.0 to −3.5 kPa

 (

−0.061 to −0.036 kg/cm

2

 , 

−0.87 to −0.51 psi)

SEF943S

SEF339V

SEF462UE

EC-318

[KA24DE]

DTC P0442 EVAP CONTROL SYSTEM

6. 

CHECK FOR EVAP LEAK

 With CONSULT-II

1.

Turn ignition switch ON.

2.

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

3.

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

NOTE:

●

Never use compressed air or a high pressure pump.

●

Do not exceed 4.12 kPa (0.042 kg/cm

2

 , 0.6 psi) of pres-

sure in the system.

4.

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

EC-565, "EVAPORATIVE EMISSION LINE DRAWING"

.

OK or NG

OK

>> GO TO 8.

 NG

>> Repair or replace.

PEF658U

PEF917U

SEF200U