2009 NISSAN LATIO Service Repair Manual

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Page 1657 of 4331

NISSAN LATIO 2009 Service Repair Manual EC
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P0447 EVAP CANISTER VENT CONTROL VALVE
Description INFOID:0000000004780183
The EVAP canister vent control valve is located on the EVAP canis-
ter and is used to seal the canister vent.
This s

Page 1658 of 4331

NISSAN LATIO 2009 Service Repair Manual B

Page 1659 of 4331

NISSAN LATIO 2009 Service Repair Manual P0447 EVAP CANISTER VENT CONTROL VALVE
EC-303
< COMPONENT DIAGNOSIS >
[HR16DE] C
D E
F
G H
I
J
K L
M A EC
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YES >> GO TO 2.
NO >> GO TO 3. 2.
CHECK EVAP CANISTER VENT CONTROL VALVE CIRCUIT
With CON

Page 1660 of 4331

NISSAN LATIO 2009 Service Repair Manual YES >> GO TO 8.
NO >> Clean the rubber tube using an air blower. Component Inspection " .
Is the inspection result normal? YES >> GO TO 9.
NO >> Replace EVAP canister vent control valve. Diagnosis Pro

Page 1661 of 4331

NISSAN LATIO 2009 Service Repair Manual EC
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Operation takes less than 1 second.
Is the inspection result normal? YES >> GO TO 3.
NO >> Replace EVAP canister vent control valve. YES >> INSPECTION END
NO >> Replace EVAP canister vent cont

Page 1662 of 4331

NISSAN LATIO 2009 Service Repair Manual EC-306< COMPONENT DIAGNOSIS >
[HR16DE]
P0448 EVAP CANISTER VENT CONTROL VALVE
P0448 EVAP CANISTER VENT CONTROL VALVE
Description INFOID:0000000004780187
The EVAP canister vent control valve is locate

EC-306< COMPONENT DIAGNOSIS >
[HR16DE]
P0448 EVAP CANISTER VENT CONTROL VALVE
P0448 EVAP CANISTER VENT CONTROL VALVE
Description INFOID:0000000004780187
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.
DTC Logic INFOID:0000000004780188
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE 1.
PRECONDITIONING
If DTC Confirmation Procedure has been previously conduc ted, always turn ignition switch OFF and wait at
least 10 seconds before conducting the next test.
>> GO TO 2. 2.
PERFORM DTC CONFIRMATION PROCEDURE
With CONSULT-III
1. Turn ignition switch ON and wait at least 5 seconds.
2. Turn ignition switch OFF and wait at least 10 seconds.
3. Turn ignition switch ON and select “DATA MONITOR” mode with CONSULT-III.
4. Start engine and let it idle for at least 1 minute.
5. Repeat next procedures three times.
- Increase the engine speed up to 3,000 to 3,500 rpm and keep it for 2 minutes and 50 seconds to 3 min-
utes.
Never exceed 3 minutes.
- Fully released accelerator pedal and keep engine idle for about 5 seconds.
6. Repeat next procedure 20 times.
- Quickly increase the engine speed up to 4,000 to 4, 500 rpm or more and keep it for 25 to 30 seconds. PBIB1263E
DTC No. Trouble diagnosis name DTC detecting condition Possible cause
P0448 EVAP canister vent control
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
• EVAP canister is saturated with water

Page 1663 of 4331

NISSAN LATIO 2009 Service Repair Manual EC
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- Fully released accelerator pedal and keep engine idle for at least 35 seconds.
7. Check 1st trip DTC. With GST
Follow the procedure “With CONSULT-III” above.
Is 1st trip DTC detected? YE

Page 1664 of 4331

NISSAN LATIO 2009 Service Repair Manual EC-308< COMPONENT DIAGNOSIS >
[HR16DE]
P0448 EVAP CANISTER VENT CONTROL VALVE
Wiring Diagram INFOID:0000000004780720
Diagnosis Procedure INFOID:00000000047801891.
CHECK RUBBER TUBE
1. Turn ignition sw

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