2005 INFINITI QX4 Factory Service Manual

TPMS load capacity ignition keyless oil viscosity oil temperature

Load previous 8 pages

Page 1545 of 3419

INFINITI QX4 2005 Factory Service Manual EC-354Revision: October 2005
DTC P0455 EVAP CONTROL SYSTEM
2005 QX56
10. CHECK FOR EVAP LEAK
Without CONSULT-II
1. Turn ignition switch OFF.
2. Apply 12 volts DC to EVAP canister vent control valve.

Page 1546 of 3419

INFINITI QX4 2005 Factory Service Manual DTC P0455 EVAP CONTROL SYSTEM
EC-355
C
D
E
F
G
H
I
J
K
L
MA
EC
Revision: October 20052005 QX56
12. CHECK EVAP CANISTER PURGE VOLUME CONTROL SOLENOID VALVE OPERATION
Without CONSULT-II
1. Start engine

Page 1547 of 3419

INFINITI QX4 2005 Factory Service Manual EC-356Revision: October 2005
DTC P0455 EVAP CONTROL SYSTEM
2005 QX56
17. CHECK EVAP CONTROL SYSTEM PRESSURE SENSOR
Refer to EC-334, "
Component Inspection" .
OK or NG
OK >> GO TO 18.
NG >> Replace EVA

Page 1548 of 3419

INFINITI QX4 2005 Factory Service Manual DTC P0456 EVAP CONTROL SYSTEM
EC-357
C
D
E
F
G
H
I
J
K
L
MA
EC
Revision: October 20052005 QX56
DTC P0456 EVAP CONTROL SYSTEMPFP:14950
On Board Diagnosis LogicUBS00H5T
This diagnosis detects very small

Page 1549 of 3419

INFINITI QX4 2005 Factory Service Manual EC-358Revision: October 2005
DTC P0456 EVAP CONTROL SYSTEM
2005 QX56
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.

EC-358Revision: October 2005
DTC P0456 EVAP CONTROL SYSTEM
2005 QX56
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 ProcedureUBS00H5U
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, wait at least 10 seconds and then turn ON.
4. Select “EVAP V/S LEAK P0456/P1456” of “EVAPORATIVE SYSTEM” in “DTC WORK SUPPORT” mode
with CONSULT-II.
Follow the instruction displayed.
5. Make sure that “OK” is displayed.
If “NG” is displayed, refer to EC-360, "
Diagnostic Procedure" .
NOTE:
If the engine speed cannot be maintained within the range displayed on CONSULT-II screen, go
to EC-72, "
Basic Inspection" .
Make sure that EVAP hoses are connected to EVAP canister purge volume control solenoid
valve properly.
PBIB0837E

Page 1550 of 3419

INFINITI QX4 2005 Factory Service Manual DTC P0456 EVAP CONTROL SYSTEM
EC-359
C
D
E
F
G
H
I
J
K
L
MA
EC
Revision: October 20052005 QX56
Overall Function CheckUBS00H5V
WITH GST
Use this procedure to check the overall function of the EVAP ver

Page 1551 of 3419

INFINITI QX4 2005 Factory Service Manual EC-360Revision: October 2005
DTC P0456 EVAP CONTROL SYSTEM
2005 QX56
Diagnostic ProcedureUBS00H5W
1. CHECK FUEL FILLER CAP DESIGN
1. Turn ignition switch OFF.
2. Check for genuine NISSAN fuel filler c

Page 1552 of 3419

INFINITI QX4 2005 Factory Service Manual DTC P0456 EVAP CONTROL SYSTEM
EC-361
C
D
E
F
G
H
I
J
K
L
MA
EC
Revision: October 20052005 QX56
5. INSTALL THE PRESSURE PUMP
To locate the EVAP leak, install EVAP service port adapter and pres-
sure pu

Load next 8 pages

Page: < prev 1-10 ... 1513-1520 1521-1528 1529-1536 1537-1544 1545-1552 1553-1560 1561-1568 1569-1576 1577-1584 ... 3424 next >

air suspension heater run flat jump cable radio TPMS reset