2005 INFINITI QX4 Factory Service Manual

Page 1513 of 3419

INFINITI QX4 2005  Factory Service Manual EC-322Revision: October 2005
DTC P0444, P0445 EVAP CANISTER PURGE VOLUME CONTROL SOLENOID 
VALVE
2005 QX56
Diagnostic ProcedureUBS00H4W
1. CHECK EVAP CANISTER PURGE VOLUME CONTROL SOLENOID VALVE POWER

Page 1514 of 3419

INFINITI QX4 2005  Factory Service Manual DTC P0444, P0445 EVAP CANISTER PURGE VOLUME CONTROL SOLENOID 
VALVE
EC-323
C
D
E
F
G
H
I
J
K
L
MA
EC
Revision: October 20052005 QX56
4. CHECK EVAP CANISTER PURGE VOLUME CONTROL SOLENOID VALVE OPERATIO

Page 1515 of 3419

INFINITI QX4 2005  Factory Service Manual EC-324Revision: October 2005
DTC P0444, P0445 EVAP CANISTER PURGE VOLUME CONTROL SOLENOID 
VALVE
2005 QX56
Removal and InstallationUBS00H4Y
EVAP CANISTER PURGE VOLUME CONTROL SOLENOID VALVE
Refer to E

Page 1516 of 3419

INFINITI QX4 2005  Factory Service Manual DTC P0447 EVAP CANISTER VENT CONTROL VALVE
EC-325
C
D
E
F
G
H
I
J
K
L
MA
EC
Revision: October 20052005 QX56
DTC P0447 EVAP CANISTER VENT CONTROL VALVEPFP:14935
Component DescriptionUBS00H4Z
The EVAP c

Page 1517 of 3419

INFINITI QX4 2005  Factory Service Manual EC-326Revision: October 2005
DTC P0447 EVAP CANISTER VENT CONTROL VALVE
2005 QX56
DTC Confirmation ProcedureUBS00H52
NOTE:
If DTC Confirmation Procedure has been previously conducted, always turn igni

Page 1518 of 3419

INFINITI QX4 2005  Factory Service Manual DTC P0447 EVAP CANISTER VENT CONTROL VALVE
EC-327
C
D
E
F
G
H
I
J
K
L
MA
EC
Revision: October 20052005 QX56
Wiring DiagramUBS00H53
BBWA1688E

Page 1519 of 3419

INFINITI QX4 2005  Factory Service Manual EC-328Revision: October 2005
DTC P0447 EVAP CANISTER VENT CONTROL VALVE
2005 QX56
Specification data are reference values and are measured between each terminal and ground.
CAUTION:
Do not use ECM gro

Page 1520 of 3419

INFINITI QX4 2005  Factory Service Manual DTC P0447 EVAP CANISTER VENT CONTROL VALVE
EC-329
C
D
E
F
G
H
I
J
K
L
MA
EC
Revision: October 20052005 QX56
3. CHECK EVAP CANISTER VENT CONTROL VALVE POWER SUPPLY CIRCUIT
1. Turn ignition switch OFF.