2006 INFINITI M35 Factory Service Manual

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Page 2729 of 5621

INFINITI M35 2006 Factory Service Manual EC-1186
[VK45DE]
DTC P0456 EVAP CONTROL SYSTEM
Revision: 2006 January2006 M35/M45
CAUTION:
Use only a genuine NISSAN fuel filler cap as a replacement. If an incorrect fuel filler cap is use

EC-1186
[VK45DE]
DTC P0456 EVAP CONTROL SYSTEM
Revision: 2006 January2006 M35/M45
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 ProcedureNBS005IM
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 - 90F)
FUEL T/TMP SE: 0 - 35
C (32 - 95F)
INT A/TEMP SE: More than 0
C (32F)
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-1188, "
Diagnostic Procedure" .
NOTE:
If the engine speed cannot be maintained within the range displayed on CONSULT-II screen, go
to EC-788, "
Basic Inspection" .
Make sure that EVAP hoses are connected to EVAP canister purge volume control solenoid
valve properly.
PBIB0837E

Page 2730 of 5621

INFINITI M35 2006 Factory Service Manual DTC P0456 EVAP CONTROL SYSTEM
EC-1187
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Revision: 2006 January2006 M35/M45
Overall Function CheckNBS005IN
WITH GST
Use this procedure to check the overall function of

Page 2731 of 5621

INFINITI M35 2006 Factory Service Manual EC-1188
[VK45DE]
DTC P0456 EVAP CONTROL SYSTEM
Revision: 2006 January2006 M35/M45
Diagnostic ProcedureNBS005IO
1. CHECK FUEL FILLER CAP DESIGN
1. Turn ignition switch OFF.
2. Check for genuine NISSAN

Page 2732 of 5621

INFINITI M35 2006 Factory Service Manual DTC P0456 EVAP CONTROL SYSTEM
EC-1189
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Revision: 2006 January2006 M35/M45
5. INSTALL THE PRESSURE PUMP
To locate the EVAP leak, install EVAP service port adapter and

Page 2733 of 5621

INFINITI M35 2006 Factory Service Manual EC-1190
[VK45DE]
DTC P0456 EVAP CONTROL SYSTEM
Revision: 2006 January2006 M35/M45
7. CHECK FOR EVAP LEAK
Without CONSULT-II
1. Turn ignition switch OFF.
2. Apply 12 volts DC to EVAP canister v

Page 2734 of 5621

INFINITI M35 2006 Factory Service Manual DTC P0456 EVAP CONTROL SYSTEM
EC-1191
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Revision: 2006 January2006 M35/M45
10. CHECK EVAP CANISTER
Weigh the EVAP canister with the EVAP canister vent control valve an

Page 2735 of 5621

INFINITI M35 2006 Factory Service Manual EC-1192
[VK45DE]
DTC P0456 EVAP CONTROL SYSTEM
Revision: 2006 January2006 M35/M45
15. CHECK EVAP CANISTER PURGE VOLUME CONTROL SOLENOID VALVE
Refer to EC-1145, "
Component Inspection" .
OK or

Page 2736 of 5621

INFINITI M35 2006 Factory Service Manual DTC P0456 EVAP CONTROL SYSTEM
EC-1193
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Revision: 2006 January2006 M35/M45
23. CHECK FUEL LEVEL SENSOR
Refer to DI-26, "
CHECK FUEL LEVEL SENSOR UNIT" .
OK or

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