2007 INFINITI QX56 Factory Service Manual

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
D
E
F
G
H
I
J
K
L
MA
EC
N
P O
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
E
F
G
H
I
J
K
L
MA
EC
N
P O
DTC P0453 EVAP CONTROL SYSTEM PRESSURE SENSOR
Component DescriptionINFOID:0000000003531902

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 >
C
D
E
F
G
H
I
J
K
L
MA
EC
N
P O
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 >
C
D
E
F
G
H
I
J
K
L
MA
EC
N
P O
2. Check voltage between EVAP control system pressure sensor
terminal 3 and ground with CON