2010 NISSAN LATIO Service Repair Manual

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NISSAN LATIO 2010 Service Repair Manual EC-872
< SERVICE INFORMATION >[MR18DE]
DTC P0455 EVAP CONTROL SYSTEM
>>
INSPECTION END
Component InspectionINFOID:0000000005532720
DRAIN FILTER
1. Check visually for insect nests in the drain filter a

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NISSAN LATIO 2010 Service Repair Manual DTC P0456 EVAP CONTROL SYSTEMEC-873
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DTC P0456 EVAP CONTROL SYSTEM
On Board Diagnosis LogicINFOID:0000000005532721
This diagnosis detect

DTC P0456 EVAP CONTROL SYSTEMEC-873
< SERVICE INFORMATION > [MR18DE]
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DTC P0456 EVAP CONTROL SYSTEM
On Board Diagnosis LogicINFOID:0000000005532721
This diagnosis detects very small leaks in the EVAP line between fuel tank and EVAP canister purge volume
control solenoid valve, using the intake manifold vacuum in the same way as conventional EVAP small leak
diagnosis.
If ECM judges a leak which corresponds to a very
small leak, the very small leak P0456 will be detected.
If ECM judges a leak equivalent to a small leak, EVAP small leak P0442 will be detected.
If ECM judges there are no leaks, the diagnosis will be OK.
CAUTION:
• Use only a genuine NISSAN fuel filler cap as a replacemen t. If an incorrect fuel filler cap is used, the
MIL may come on.
• If the fuel filler cap is not tigh tened properly, the MIL may come on.
• Use only a genuine NISSAN rubber tube as a replacement.
DTC No. Trouble diagnosis name DTC detecting condition Possible cause
P0456
0456 Evaporative emission
control system very
small leak (negative
pressure check) • EVAP system has a very small leak.
• EVAP system does not operate prop-
erly. • Incorrect fuel tank vacuum relief valve
• Incorrect fuel filler cap used
• Fuel filler cap remains open or fails to close.
• Foreign matter caught in fuel filler cap.
• Leak is in line between intake manifold and EVAP
canister purge volume control solenoid valve.
• Foreign matter caught in EVAP canister vent con- trol valve.
• EVAP canister or fuel tank leaks
• EVAP purge line (pipe and rubber tube) leaks
• EVAP purge line rubber tube bent
• Loose or disconnected rubber tube
• EVAP canister vent control valve and the circuit
• EVAP canister purge volume control solenoid valve and the circuit
• Fuel tank temperature sensor
• Drain filter
• O-ring of EVAP canister vent control valve is miss- ing or damaged
• EVAP canister is saturated with water
• EVAP control system pressure sensor
• Refueling EVAP vapor cut valve
• ORVR system leaks
• Fuel level sensor and the circuit
• Foreign matter caught in EVAP canister purge vol- ume control solenoid valve
PBIB3640E
Revision: January 20102010 Versa

Page 2139 of 3745

NISSAN LATIO 2010 Service Repair Manual EC-874
< SERVICE INFORMATION >[MR18DE]
DTC P0456 EVAP CONTROL SYSTEM
DTC Confirmation Procedure
INFOID:0000000005532722
NOTE:
• If DTC P0456 is displayed with P0442, firs t perform trouble diagnosis

EC-874
< SERVICE INFORMATION >[MR18DE]
DTC P0456 EVAP CONTROL SYSTEM
DTC Confirmation Procedure
INFOID:0000000005532722
NOTE:
• If DTC P0456 is displayed with P0442, firs t perform trouble diagnosis for DTC P0456.
• After repair, make sure that the hoses and clips are installed properly.
• If DTC Confirmation Procedure has been previously conducted, always turn ignition switch OFF and wait at least 10 seconds before conducting the next test.
TESTING CONDITION:
• Open engine hood before conducting following procedure.
• If any of following conditions are met just before the DTC confirmation procedure, leave the vehicle
for more than 1 hour.
- Fuel filler cap is removed.
- Refilled or drained the fuel.
- EVAP component parts is/are removed.
• Before performing the following procedure, confirm th at battery voltage is more than 11 V at idle.
WITH CONSULT-III
1. Turn ignition switch ON and select “DATA MONITOR” mode with CONSULT-III.
2. Make sure the following conditions are met.
FUEL LEVEL SE: 0.25 - 1.4 V
COOLAN TEMP/S: 0 - 32 °C (32 - 90° F)
FUEL T/TMP SE: 0 - 35° C (32 - 95°F)
INT/A TEMP SE: More than 0 °C (32° F)
If NG, turn ignition switch OFF and leave the vehicle in a cool place (soak the vehicle) or refilling/draining
fuel until the output voltage condition of the “FUEL LEVEL SE” meets within the range above and leave
the vehicle for more than 1 hour. Then start from step 1).
3. Turn ignition switch OFF and wait at least 10 seconds.
4. Turn ignition switch ON.
5. Select “EVAP V/S LEAK P0456” of “EVAPORATI VE SYSTEM” in “DTC WORK SUPPORT” mode with
CONSULT-III.
Follow the instruction displayed.
6. Make sure that “OK” is displayed. If “NG” is displayed, refer to EC-875, "
Diagnosis Procedure".
NOTE:
• If the engine speed cannot be maintained with in the range displayed on CONSULT-III screen, go
to EC-574, "
Basic Inspection".
• Make sure that EVAP hoses are connected to EVAP canister purge volume control solenoid
valve properly.
Overall Function CheckINFOID:0000000005532723
WITH GST
Use this procedure to check the overall function of the EV AP very small leak function. During this check, a 1st
trip DTC might not be confirmed.
CAUTION:
• Never use compressed air, doing so may damage the EVAP system.
• Do not start engine.
• Do not exceeded 4.12 kPa (0.042 kg/cm
2, 0.6 psi).
1. Attach the EVAP service port adapter securely to the EVAP ser- vice port (2).
- EVAP canister purge volume control solenoid valve (1)
- : Vehicle front
BBIA0703E
Revision: January 20102010 Versa

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NISSAN LATIO 2010 Service Repair Manual DTC P0456 EVAP CONTROL SYSTEMEC-875
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2. Set the pressure pump and a hose.
3. Also set the pressure pump with pressure gauge to the EVAP

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NISSAN LATIO 2010 Service Repair Manual EC-876
< SERVICE INFORMATION >[MR18DE]
DTC P0456 EVAP CONTROL SYSTEM
5.INSTALL THE PRESSURE PUMP
To locate the EVAP leak, install EVAP service port adapter and pres-
sure pump to EVAP service port sec

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NISSAN LATIO 2010 Service Repair Manual DTC P0456 EVAP CONTROL SYSTEMEC-877
< SERVICE INFORMATION > [MR18DE]
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2. Apply 12 volts DC to EVAP canister vent control valve (3). The
valve will close. (Continue to ap

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NISSAN LATIO 2010 Service Repair Manual EC-878
< SERVICE INFORMATION >[MR18DE]
DTC P0456 EVAP CONTROL SYSTEM
2. Does water drain from the EVAP canister?
Ye s o r N o
Ye s > > G O T O 11 .
No (With CONSULT-III)>>GO TO 13.
No (Without CON

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NISSAN LATIO 2010 Service Repair Manual DTC P0456 EVAP CONTROL SYSTEMEC-879
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OK >> GO TO 16.
NG >> Repair or reconnect the hose.
16.CHECK EVAP CANISTER PURGE VOLUME CONTROL SOL

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