2005 INFINITI QX4 Factory Service Manual

Page 1537 of 3419

INFINITI QX4 2005  Factory Service Manual EC-346Revision: October 2005
DTC P0453 EVAP CONTROL SYSTEM PRESSURE SENSOR
2005 QX56
7. CHECK EVAP CONTROL SYSTEM PRESSURE SENSOR INPUT SIGNAL CIRCUIT FOR OPEN AND 
SHORT
1. Check harness continuity b

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INFINITI QX4 2005  Factory Service Manual DTC P0453 EVAP CONTROL SYSTEM PRESSURE SENSOR
EC-347
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EC
Revision: October 20052005 QX56
12. CHECK IF EVAP CANISTER SATURATED WITH WATER
1. Remove EVAP canister with EVAP caniste

Page 1539 of 3419

INFINITI QX4 2005  Factory Service Manual EC-348Revision: October 2005
DTC P0453 EVAP CONTROL SYSTEM PRESSURE SENSOR
2005 QX56
Component InspectionUBS00H5P
EVAP CONTROL SYSTEM PRESSURE SENSOR
1. Remove EVAP control system pressure sensor with

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INFINITI QX4 2005  Factory Service Manual DTC P0455 EVAP CONTROL SYSTEM
EC-349
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EC
Revision: October 20052005 QX56
DTC P0455 EVAP CONTROL SYSTEMPFP:14950
On Board Diagnosis LogicUBS00H5Q
This diagnosis detects a very lar

Page 1541 of 3419

INFINITI QX4 2005  Factory Service Manual EC-350Revision: October 2005
DTC P0455 EVAP CONTROL SYSTEM
2005 QX56
DTC Confirmation ProcedureUBS00H5R
CAUTION:
Never remove fuel filler cap during the DTC Confirmation Procedure.
NOTE:
Make sure th

Page 1542 of 3419

INFINITI QX4 2005  Factory Service Manual DTC P0455 EVAP CONTROL SYSTEM
EC-351
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Revision: October 20052005 QX56
 WITH GST
NOTE:
Be sure to read the explanation of EC-59, "
Driving Pattern"  before driving vehicle.
1.

Page 1543 of 3419

INFINITI QX4 2005  Factory Service Manual EC-352Revision: October 2005
DTC P0455 EVAP CONTROL SYSTEM
2005 QX56
5. CHECK EVAP PURGE LINE
Check EVAP purge line (pipe, rubber tube, fuel tank and EVAP canister) for cracks, improper connection or

Page 1544 of 3419

INFINITI QX4 2005  Factory Service Manual DTC P0455 EVAP CONTROL SYSTEM
EC-353
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Revision: October 20052005 QX56
9. CHECK FOR EVAP LEAK
 With CONSULT-II
1. Turn ignition switch ON.
2. Select “EVAP SYSTEM CLOSE” of