2010 NISSAN LATIO Service Repair Manual

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Page 2105 of 3745

NISSAN LATIO 2010 Service Repair Manual EC-840
< SERVICE INFORMATION >[MR18DE]
DTC P0447 EVAP CANISTER VENT CONTROL VALVE
OK or NG
OK >> GO TO 10.
NG >> Replace EVAP canister vent control valve.
10.CHECK INTERMITTENT INCIDENT
Refer to EC-6

Page 2106 of 3745

NISSAN LATIO 2010 Service Repair Manual DTC P0447 EVAP CANISTER VENT CONTROL VALVE
EC-841
< SERVICE INFORMATION > [MR18DE]
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3. Check air passage continuity and operation delay time under the
following conditio

Page 2107 of 3745

NISSAN LATIO 2010 Service Repair Manual EC-842
< SERVICE INFORMATION >[MR18DE]
DTC P0448 EVAP CANISTER VENT CONTROL VALVE
DTC P0448 EVAP CANISTER VENT CONTROL VALVE
Component DescriptionINFOID:0000000005532690
The EVAP canister vent control

EC-842
< SERVICE INFORMATION >[MR18DE]
DTC P0448 EVAP CANISTER VENT CONTROL VALVE
DTC P0448 EVAP CANISTER VENT CONTROL VALVE
Component DescriptionINFOID:0000000005532690
The EVAP canister vent control valve (3) is located on the EVAP
canister (2) 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 diagnoses.
• EVAP control system pressure sensor (1)
CONSULT-III Reference Value in Data Monitor ModeINFOID:0000000005532691
Specification data are reference values.
On Board Diagn
osis LogicINFOID:0000000005532692
DTC Confirmation ProcedureINFOID:0000000005532693
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.
1. Turn ignition switch ON and wait at least 5 seconds.
2. Turn ignition switch OFF and wait at least 10 seconds.
3. Start engine and let it idle for at least 1 minute.
4. Repeat next procedures three times.
PBIB3642E
BBIA0693E
Monitor item Condition Specification
VENT CONT/V • Ignition switch: ON OFF
DTC No. Trouble diagnosis nameDTC detecting condition Possible cause
P0448
0448 EVAP canister vent con-
trol valve close EVAP canister vent control valve remains
closed under specified driving conditions. • EVAP canister vent control valve
• EVAP control system pressure sensor
and the circuit
• Blocked rubber tube to EVAP canister
vent control valve
• Drain filter
• EVAP canister is saturated with water
Revision: January 20102010 Versa

Page 2108 of 3745

NISSAN LATIO 2010 Service Repair Manual DTC P0448 EVAP CANISTER VENT CONTROL VALVE
EC-843
< SERVICE INFORMATION > [MR18DE]
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a. Increase the engine speed up to 3,000 to 3,500 rpm and keep it for 2 minutes and 5

Page 2109 of 3745

NISSAN LATIO 2010 Service Repair Manual EC-844
< SERVICE INFORMATION >[MR18DE]
DTC P0448 EVAP CANISTER VENT CONTROL VALVE
Wiring Diagram
INFOID:0000000005532694
Specification data are reference values and are measured between each terminal

Page 2110 of 3745

NISSAN LATIO 2010 Service Repair Manual DTC P0448 EVAP CANISTER VENT CONTROL VALVE
EC-845
< SERVICE INFORMATION > [MR18DE]
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Diagnosis ProcedureINFOID:0000000005532695
1.CHECK RUBBER TUBE
1. Turn ignition switc

Page 2111 of 3745

NISSAN LATIO 2010 Service Repair Manual EC-846
< SERVICE INFORMATION >[MR18DE]
DTC P0448 EVAP CANISTER VENT CONTROL VALVE
2. Does water drain from the EVAP canister.
Ye s o r N o
Ye s > > G O T O 5 .
No >> GO TO 7.
5.CHECK EVAP CANISTER

Page 2112 of 3745

NISSAN LATIO 2010 Service Repair Manual DTC P0448 EVAP CANISTER VENT CONTROL VALVE
EC-847
< SERVICE INFORMATION > [MR18DE]
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With CONSULT-III
1. Remove EVAP canister vent c
ontrol valve from EVAP canister.
2.

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