Nissan Frontier D22. Manual — part 609
DTC P0455 EVAP CONTROL SYSTEM
EC-1539
[VG33ER]
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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.
●
If the fuel filler cap is not tightened properly, the MIL may come on.
●
Use only a genuine NISSAN rubber tube as a replacement.
DTC Confirmation Procedure
UBS00DYC
CAUTION:
Never remove fuel filter cap during the DTC confirmation procedure.
NOTE:
●
If DTC P0455 is displayed with P1448, perform trouble diagnosis for DTC P1448 first. (See
.)
●
Make sure that EVAP hoses are connected to EVAP canister purge volume control solenoid valve
properly.
●
If DTC Confirmation Procedure has been previously conducted, always turn ignition switch OFF and wait
at least 5 seconds before conducting the next test.
TESTING CONDITION:
●
Perform “DTC WORK SUPPORT” when the fuel level is between 1/4 to 3/4 full and vehicle is placed
on flat level surface.
●
Open engine hood before conducting the following procedure.
WITH CONSULT-II
1.
Tighten fuel filler cap securely until ratcheting sound is heard.
2.
Turn ignition switch ON.
3.
Turn ignition switch OFF and wait at least 5 seconds.
4.
Turn ignition switch ON and select “DATA MONITOR” mode with
CONSULT-II.
5.
Make sure that the following conditions are met.
COOLAN TEMP/S: 0 - 32
°C (32 - 90°F)
INT/A TEMP SE: More than 0
°C (32°F)
6.
Select “EVAP SML LEAK P0442/P1442” of “EVAPORATIVE SYSTEM” in “DTC WORK SUPPORT” mode
with CONSULT-II.
Follow the instruction displayed.
NOTE:
If the engine speed cannot be maintained within the range displayed on the CONSULT-II screen, go to
.
SEF475Y
PBIB0829E
EC-1540
[VG33ER]
DTC P0455 EVAP CONTROL SYSTEM
7.
Make sure that “OK” is displayed.
If “NG” is displayed, select “SELF-DIAG RESULTS” mode with
CONSULT-II and make sure that “EVAP GROSS LEAK [P0455]”
is displayed, refer to
EC-1540, "Diagnostic Procedure"
If P0442 is displayed, perform
EC-1502, "Diagnostic Procedure"
.
WITH GST
NOTE:
Be sure to read the explanation to
before driving vehicle.
1.
Start engine.
2.
Drive vehicle according to
.
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
8.
Stop vehicle.
9.
Select MODE 3 with GST.
●
If P0455 is displayed on the screen, go to
EC-1540, "Diagnostic Procedure"
●
If P0442 or P1442 is displayed on the screen, go to DTC P0442
EC-1502, "Diagnostic Procedure"
or for
DTC P1442
EC-1643, "Diagnostic Procedure"
.
●
If P0441 is displayed on the screen, go to
EC-1493, "Diagnostic Procedure"
.
●
If P0442, P0455 and P0441 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 6.
Diagnostic Procedure
UBS00DYD
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.
LEC048A
SEF915U
DTC P0455 EVAP CONTROL SYSTEM
EC-1541
[VG33ER]
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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.
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 (BUILT INTO FUEL FILLER CAP)
Refer to
EC-1743, "Component Inspection"
OK or NG
OK
>> GO TO 5.
NG
>> Replace fuel filler cap with a genuine one.
5.
CHECK EVAP PURGE LINE
Check EVAP purge line (pipe, rubber tube, fuel tank and EVAP canister) for cracks, improper connection or
disconnection.
Refer to
EC-1741, "EVAPORATIVE EMISSION LINE DRAWING"
OK or NG
OK
>> GO TO 6.
NG
>> Repair or reconnect the hose.
6.
CLEAN EVAP PURGE LINE
Clean EVAP purge line (pipe and rubber tube) using air blower.
>> GO TO 7.
7.
CHECK EVAP CANISTER VENT CONTROL VALVE, O-RING AND CIRCUIT
Refer to
EC-1659, "DTC Confirmation Procedure"
OK or NG
OK
>> GO TO 8.
NG
>> Repair or replace EVAP canister vent control valve and O-ring or harness/connector.
EC-1542
[VG33ER]
DTC P0455 EVAP CONTROL SYSTEM
8.
INSTALL THE PRESSURE PUMP
To locate the EVAP leak, install EVAP service port adapter and pres-
sure pump to EVAP service port securely.
NOTE:
Improper installation of the EVAP service port adapter to the
EVAP service port may cause leaking.
Models with CONSULT-II>>GO TO 9.
Models without CONSULT-II>>GO TO 10.
9.
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 the 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 EVAP leak. For the leak
detector, refer to the instruction manual for more details.
Refer to
EC-1741, "EVAPORATIVE EMISSION LINE DRAW-
.
OK or NG
OK
>> GO TO 11.
NG
>> Repair or replace.
AEC649A
SEF916U
PEF917U
SEF200U
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