2007 INFINITI QX56 DTC

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Page 1485 of 3061

INFINITI QX56 2007  Factory Service Manual EC-402
< SERVICE INFORMATION >
DTC P0453 EVAP CONTROL SYSTEM PRESSURE SENSOR
1. Start engine and warm it up to normal operating temperature.
2. Turn ignition switch OFF and wait at least 10 seconds.
3

Page 1486 of 3061

INFINITI QX56 2007  Factory Service Manual DTC P0453 EVAP CONTROL SYSTEM PRESSURE SENSOR
EC-403
< SERVICE INFORMATION >
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Wiring DiagramINFOID:0000000003531906
Specification data are reference values and are measu

Page 1487 of 3061

INFINITI QX56 2007  Factory Service Manual EC-404
< SERVICE INFORMATION >
DTC P0453 EVAP CONTROL SYSTEM PRESSURE SENSOR
Diagnosis Procedure
INFOID:0000000003531907
1.CHECK GROUND CONNECTIONS
1. Turn ignition switch OFF.
2. Loosen and retighten

Page 1488 of 3061

INFINITI QX56 2007  Factory Service Manual DTC P0453 EVAP CONTROL SYSTEM PRESSURE SENSOR
EC-405
< SERVICE INFORMATION >
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2. Check voltage between EVAP control system pressure sensor
terminal 3 and ground with CON

Page 1489 of 3061

INFINITI QX56 2007  Factory Service Manual EC-406
< SERVICE INFORMATION >
DTC P0453 EVAP CONTROL SYSTEM PRESSURE SENSOR
• Harness for open or short between EVAP control system pressure sensor and ECM
>> Repair open circuit or short to ground

Page 1490 of 3061

INFINITI QX56 2007  Factory Service Manual DTC P0453 EVAP CONTROL SYSTEM PRESSURE SENSOR
EC-407
< SERVICE INFORMATION >
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Component InspectionINFOID:0000000003531908
EVAP CONTROL SYSTEM PRESSURE SENSOR
1. Remove E

Page 1491 of 3061

INFINITI QX56 2007  Factory Service Manual EC-408
< SERVICE INFORMATION >
DTC P0455 EVAP CONTROL SYSTEM
DTC P0455 EVAP CONTROL SYSTEM
On Board Diagnosis LogicINFOID:0000000003531909
This diagnosis detects a very large leak (fuel filler cap fel

Page 1492 of 3061

INFINITI QX56 2007  Factory Service Manual DTC P0455 EVAP CONTROL SYSTEM
EC-409
< SERVICE INFORMATION >
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•Make sure that EVAP hoses are connected to EVAP canister purge volume control solenoid valve
properly.