2007 INFINITI QX56 DTC

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Page 1501 of 3061

INFINITI QX56 2007  Factory Service Manual EC-418
< SERVICE INFORMATION >
DTC P0456 EVAP CONTROL SYSTEM
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.

Page 1502 of 3061

INFINITI QX56 2007  Factory Service Manual DTC P0456 EVAP CONTROL SYSTEM
EC-419
< SERVICE INFORMATION >
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4. Using EVAP leak detector, locate the EVAP leak. For the leak
detector, refer to the instruction manual f

Page 1503 of 3061

INFINITI QX56 2007  Factory Service Manual EC-420
< SERVICE INFORMATION >
DTC P0456 EVAP CONTROL SYSTEM
2. Does water drain from the EVAP canister?
Ye s  o r  N o
Yes >> GO TO 10.
No (With CONSULT-II)>>GO TO 12.
No (Without CONSULT-II)>>GO TO

Page 1504 of 3061

INFINITI QX56 2007  Factory Service Manual DTC P0456 EVAP CONTROL SYSTEM
EC-421
< SERVICE INFORMATION >
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Check vacuum hoses for clogging or disconnection. Refer to EC-100, "Vacuum Hose Drawing" .
OK or NG
OK >> G

Page 1505 of 3061

INFINITI QX56 2007  Factory Service Manual EC-422
< SERVICE INFORMATION >
DTC P0456 EVAP CONTROL SYSTEM
OK or NG
OK >> GO TO 24.
NG >> Replace fuel level sensor unit.
24.CHECK INTERMITTENT INCIDENT
Refer to EC-138
 .
>>INSPECTION END

Page 1506 of 3061

INFINITI QX56 2007  Factory Service Manual DTC P0460 FUEL LEVEL SENSOR
EC-423
< SERVICE INFORMATION >
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DTC P0460 FUEL LEVEL SENSOR
Component DescriptionINFOID:0000000003531916
The fuel level sensor is mounted in

Page 1507 of 3061

INFINITI QX56 2007  Factory Service Manual EC-424
< SERVICE INFORMATION >
DTC P0460 FUEL LEVEL SENSOR
Diagnosis Procedure
INFOID:0000000003531919
1.CHECK COMBINATION METER FUNCTION
Refer to DI-5
.
OK or NG
OK >> GO TO 2.
NG >> Go to DI-18, "
F

Page 1508 of 3061

INFINITI QX56 2007  Factory Service Manual DTC P0461 FUEL LEVEL SENSOR
EC-425
< SERVICE INFORMATION >
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DTC P0461 FUEL LEVEL SENSOR
Component DescriptionINFOID:0000000003531921
The fuel level sensor is mounted in