2008 INFINITI QX56 Factory Service Manual

Page 1553 of 4083

INFINITI QX56 2008  Factory Service Manual EC-254
< COMPONENT DIAGNOSIS >[VK56DE]
P0453 EVAP CONTROL SYSTEM PRESSURE SENSOR
P0453 EVAP CONTROL SYSTEM PRESSURE SENSOR
Component DescriptionINFOID:0000000001351623
The EVAP control system pressure

Page 1554 of 4083

INFINITI QX56 2008  Factory Service Manual P0453 EVAP CONTROL SYSTEM PRESSURE SENSOREC-255
< COMPONENT DIAGNOSIS > [VK56DE]
C
D
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G H
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M A
EC
NP
O
6. Start engine and wait at least 20 seconds.
7. Check 1st trip DTC.
8. If 1st trip DTC

Page 1555 of 4083

INFINITI QX56 2008  Factory Service Manual EC-256
< COMPONENT DIAGNOSIS >[VK56DE]
P0453 EVAP CONTROL SYSTEM PRESSURE SENSOR
1. Turn ignition switch ON.
2. Check voltage between EVAP control system pressure sensor
terminal 3 and ground with CON

Page 1556 of 4083

INFINITI QX56 2008  Factory Service Manual P0453 EVAP CONTROL SYSTEM PRESSURE SENSOREC-257
< COMPONENT DIAGNOSIS > [VK56DE]
C
D
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G H
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M A
EC
NP
O
• Harness connectors E5, F14
• Harness for open or short between EVAP c
ontrol syst

Page 1557 of 4083

INFINITI QX56 2008  Factory Service Manual EC-258
< COMPONENT DIAGNOSIS >[VK56DE]
P0453 EVAP CONTROL SYSTEM PRESSURE SENSOR
>>
INSPECTION END
Component InspectionINFOID:0000000001351629
EVAP CONTROL SYSTEM PRESSURE SENSOR
1. Remove EVAP contro

Page 1558 of 4083

INFINITI QX56 2008  Factory Service Manual P0455 EVAP CONTROL SYSTEMEC-259
< COMPONENT DIAGNOSIS > [VK56DE]
C
D
E
F
G H
I
J
K L
M A
EC
NP
O
P0455 EVAP CONTROL SYSTEM
On Board Diagnosis LogicINFOID:0000000001351630
This diagnosis detects a very

Page 1559 of 4083

INFINITI QX56 2008  Factory Service Manual EC-260
< COMPONENT DIAGNOSIS >[VK56DE]
P0455 EVAP CONTROL SYSTEM
•
Make sure that EVAP hoses are connected to EVAP  canister purge volume control solenoid valve
properly.
• If DTC Confirmation Pro

Page 1560 of 4083

INFINITI QX56 2008  Factory Service Manual P0455 EVAP CONTROL SYSTEMEC-261
< COMPONENT DIAGNOSIS > [VK56DE]
C
D
E
F
G H
I
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K L
M A
EC
NP
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OK or NG
OK >> GO TO 3.
NG >> 1. Open fuel filler cap, then clean cap and fuel filler neck threads usin