Infiniti F50. Manual — part 476
DTC P1444 EVAP CANISTER PURGE VOLUME CONTROL SOLENOID VALVE
EC-545
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EC
Removal and Installation
EBS00MKT
EVAP CANISTER PURGE VOLUME CONTROL SOLENOID VALVE
Refer to
![](/vehicles/zatt/pasieses/thed/zco.png)
EC-546
DTC P1446 EVAP CANISTER VENT CONTROL VALVE
DTC P1446 EVAP CANISTER VENT CONTROL VALVE
PFP:14935
Component Description
ABS002QL
The EVAP canister vent control valve is located on the EVAP canis-
ter and is used to seal the canister vent.
This solenoid valve responds to signals from the ECM. When the
ECM sends an ON signal, the coil in the solenoid valve is energized.
A plunger will then move to seal the canister vent. The ability to seal
the vent is necessary for the on board diagnosis of other evaporative
emission control system components.
This solenoid valve is used only for diagnosis, and usually remains
opened.
When the vent is closed, under normal purge conditions, the evapo-
rative emission control system is depressurized and allows “EVAP
Control System” diagnosis.
CONSULT-II Reference Value in Data Monitor Mode
ABS002QM
Specification data are reference values.
On Board Diagnosis Logic
ABS002QN
SEF032W
PBIB0026E
MONITOR ITEM
CONDITION
SPECIFICATION
VENT CONT/V
●
Ignition switch: ON
OFF
DTC No.
Trouble diagnosis name
DTC detecting condition
Possible cause
P1446
1446
EVAP canister vent control
valve close
EVAP canister vent control valve remains
closed under specified driving conditions.
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EVAP canister vent control valve
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EVAP control system pressure sensor
and the circuit
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Blocked rubber tube to EVAP canister
vent control valve
●
Water separator
●
EVAP canister is saturated with water
![](/vehicles/zatt/pasieses/thed/itedlorare.png)
DTC P1446 EVAP CANISTER VENT CONTROL VALVE
EC-547
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DTC Confirmation Procedure
ABS002QO
CAUTION:
Always drive vehicle at a safe speed.
NOTE:
If “DTC Confirmation Procedure” has been previously conducted, always turn ignition switch “OFF” and wait at
least 10 seconds before conducting the next test.
WITH CONSULT-II
1.
Turn ignition switch “ON”.
2.
Select “DATA MONITOR” mode with CONSULT-II.
3.
Start engine.
4.
Drive vehicle at a speed of approximately 80 km/h (50 MPH) for
a maximum of 15 minutes.
NOTE:
If a malfunction exists, NG result may be displayed quicker.
5.
If 1st trip DTC is detected, go to
EC-549, "Diagnostic Procedure"
.
WITH GST
Follow the procedure “WITH CONSULT-II” above.
PBIB1917E
![](/vehicles/zatt/pasieses/thed/lind.png)
EC-548
DTC P1446 EVAP CANISTER VENT CONTROL VALVE
Wiring Diagram
ABS002QP
TBWM0131E
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