2007 INFINITI QX56 DTC

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Page 1477 of 3061

INFINITI QX56 2007  Factory Service Manual EC-394
< SERVICE INFORMATION >
DTC P0451 EVAP CONTROL SYSTEM PRESSURE SENSOR
NG >> Replace EVAP control system pressure sensor.
4.CHECK INTERMITTENT INCIDENT
Refer to EC-138
.
For wiring diagram, refe

Page 1478 of 3061

INFINITI QX56 2007  Factory Service Manual DTC P0452 EVAP CONTROL SYSTEM PRESSURE SENSOR
EC-395
< SERVICE INFORMATION >
C
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EC
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DTC P0452 EVAP CONTROL SYSTEM PRESSURE SENSOR
Component DescriptionINFOID:0000000003531895

Page 1479 of 3061

INFINITI QX56 2007  Factory Service Manual EC-396
< SERVICE INFORMATION >
DTC P0452 EVAP CONTROL SYSTEM PRESSURE SENSOR
4. Select “DATA MONITOR” mode with CONSULT-II.
5. Make sure that “FUEL T/TMP SE” is more than 0°C (32°F).
6. Star

Page 1480 of 3061

INFINITI QX56 2007  Factory Service Manual DTC P0452 EVAP CONTROL SYSTEM PRESSURE SENSOR
EC-397
< SERVICE INFORMATION >
C
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EC
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Wiring DiagramINFOID:0000000003531899
Specification data are reference values and are measu

Page 1481 of 3061

INFINITI QX56 2007  Factory Service Manual EC-398
< SERVICE INFORMATION >
DTC P0452 EVAP CONTROL SYSTEM PRESSURE SENSOR
Diagnosis Procedure
INFOID:0000000003531900
1.CHECK GROUND CONNECTIONS
1. Turn ignition switch OFF.
2. Loosen and retighten

Page 1482 of 3061

INFINITI QX56 2007  Factory Service Manual DTC P0452 EVAP CONTROL SYSTEM PRESSURE SENSOR
EC-399
< SERVICE INFORMATION >
C
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EC
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2. Check voltage between EVAP control system pressure sensor
terminal 3 and ground with CON

Page 1483 of 3061

INFINITI QX56 2007  Factory Service Manual EC-400
< SERVICE INFORMATION >
DTC P0452 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 1484 of 3061

INFINITI QX56 2007  Factory Service Manual DTC P0453 EVAP CONTROL SYSTEM PRESSURE SENSOR
EC-401
< SERVICE INFORMATION >
C
D
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F
G
H
I
J
K
L
MA
EC
N
P O
DTC P0453 EVAP CONTROL SYSTEM PRESSURE SENSOR
Component DescriptionINFOID:0000000003531902