2005 INFINITI FX35 Service Manual

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Page 1769 of 4731

INFINITI FX35 2005 Service Manual EC-376
[VQ35DE]
DTC P0456 EVAP CONTROL SYSTEM
Revision: 2005 July 2005 FX
CAUTION:
Use only a genuine NISSAN fuel filler cap as a replacement. If an incorrect fuel filler cap is used,
the MIL may co

EC-376
[VQ35DE]
DTC P0456 EVAP CONTROL SYSTEM
Revision: 2005 July 2005 FX
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 ProcedureABS006RQ
NOTE:
If DTC P0456 is displayed with P0442, first perform trouble diagnosis for DTC P0456.
After repair, make sure that the hoses and clips are installed properly.
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:
Open engine hood before conducting following procedure.
If any of following conditions are met just before the DTC confirmation procedure, leave the vehi-
cle for more than 1 hour.
–Fuel filler cap is removed.
–Fuel is refilled or drained.
–EVAP component parts is/are removed.
Before performing the following procedure, confirm that battery voltage is more than 11V at idle.
WITH CONSULT-II
1. Turn ignition switch ON and select “DATA MONITOR” mode with CONSULT-II.
2. Make sure the following conditions are met. FUEL LEVEL SE: 0.25 - 1.4V
COOLAN TEMP/S: 0 - 32 °C (32 - 90 °F)
FUEL T/TMP SE: 0 - 35 °C (32 - 95 °F)
INT A/TEMP SE: More than 0 °C (32 °F)
If NG, turn ignition switch OFF and leave the vehicle in a cool place (soak the vehicle) or refilling/draining
fuel until the output voltage condition of the “FUEL LEVEL SE” meets within the range above and leave
the vehicle for more than 1 hour. Then start from step 1).
3. Turn ignition switch OFF and wait at least 10 seconds.
4. Turn ignition switch ON.
5. Select “EVAP V/S LEAK P0456/P1456” of “EVAPORATIVE SYSTEM” in “DTC WORK SUPPORT” mode with CONSULT-II.
Follow the instruction displayed.
6. Make sure that “OK” is displayed. If “NG” is displayed, refer to EC-378, "
Diagnostic Procedure" .
NOTE:
If the engine speed cannot be maintained within the range displayed on CONSULT-II screen, go
to EC-78, "
Basic Inspection" .
Make sure that EVAP hoses are connected to EVAP canister purge volume control solenoid
valve properly.
PBIB0837E

Page 1770 of 4731

INFINITI FX35 2005 Service Manual DTC P0456 EVAP CONTROL SYSTEM EC-377
[VQ35DE]
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Revision: 2005 July 2005 FX
Overall Function CheckABS006RR
WITH GST
Use this procedure to check the overall funct

Page 1771 of 4731

INFINITI FX35 2005 Service Manual EC-378
[VQ35DE]
DTC P0456 EVAP CONTROL SYSTEM
Revision: 2005 July 2005 FX
Diagnostic ProcedureABS006RS
1. CHECK FUEL FILLER CAP DESIGN
1. Turn ignition switch OFF.
2. Check for genuine NISSAN fuel f

Page 1772 of 4731

INFINITI FX35 2005 Service Manual DTC P0456 EVAP CONTROL SYSTEM EC-379
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Revision: 2005 July 2005 FX
5. INSTALL THE PRESSURE PUMP
To locate the EVAP leak, install EVAP service port adapt

Page 1773 of 4731

INFINITI FX35 2005 Service Manual EC-380
[VQ35DE]
DTC P0456 EVAP CONTROL SYSTEM
Revision: 2005 July 2005 FX
6. CHECK FOR EVAP LEAK
With CONSULT-II
1. Turn ignition switch ON.
2. Select “EVAP SYSTEM CLOSE” of “WORK SUPPORT�

Page 1774 of 4731

INFINITI FX35 2005 Service Manual DTC P0456 EVAP CONTROL SYSTEM EC-381
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Revision: 2005 July 2005 FX
7. CHECK FOR EVAP LEAK
Without CONSULT-II
1. Turn ignition switch OFF.
2. Apply 1

Page 1775 of 4731

INFINITI FX35 2005 Service Manual EC-382
[VQ35DE]
DTC P0456 EVAP CONTROL SYSTEM
Revision: 2005 July 2005 FX
9. CHECK IF EVAP CANISTER SATURATED WITH WATER
1. Remove EVAP canister with EVAP canister vent control valve and EVAP control

Page 1776 of 4731

INFINITI FX35 2005 Service Manual DTC P0456 EVAP CONTROL SYSTEM EC-383
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Revision: 2005 July 2005 FX
13. CHECK EVAP CANISTER PURGE VOLUME CONTROL SOLENOID VALVE OPERATION
Without CONS

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