2010 NISSAN LATIO Service Repair Manual

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NISSAN LATIO 2010 Service Repair Manual EC-272
< COMPONENT DIAGNOSIS >[HR16DE]
P0441 EVAP CONTROL SYSTEM
P0441 EVAP CONTROL SYSTEM
DTC LogicINFOID:0000000005398437
DTC DETECTION LOGIC
NOTE:
If DTC P0441 is displayed with other DTC such
as

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NISSAN LATIO 2010 Service Repair Manual P0441 EVAP CONTROL SYSTEMEC-273
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TESTING CONDITION:
Always perform test at a temperature of 5
°C (41° F) or more.
>> GO TO 3.
3.PERFOR

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TESTING CONDITION:
Always perform test at a temperature of 5
°C (41° F) or more.
>> GO TO 3.
3.PERFORM DTC CONFIRMATION PROCEDURE-I
With CONSULT-III
1. Start engine and warm it up to normal operating temperature.
2. Turn ignition switch OFF and wait at least 10 seconds.
3. Start engine and let it idle for at least 70 seconds.
4. Select “PURG FLOW P0441” of “EVAPORATIVE SYS TEM” in “DTC WORK SUPPORT” mode with CON-
SULT-III.
5. Touch “START”.
Is COMPLETED displayed on CONSULT-III screen?
YES >> GO TO 5.
NO >> GO TO 4.
4.PERFORM DTC CONFIRMATION PROCEDURE-II
When the following conditions are met, “TESTING” will be displayed on the CONSULT-III screen. Maintain the
conditions continuously until “TESTING” changes to “COMPLETED”. (It will take at least 35 seconds.)
CAUTION:
Always drive vehicle at a safe speed.
If “TESTING” is not changed for a long time, retry from step 2.
Is
“COMPLETED” displayed on CONSULT-III screen?
YES >> GO TO 5.
NO >> Perform DTC CONFIRMATION PROCEDURE again. GO TO 3.
5.PERFORM DTC CONFIRMATION PROCEDURE-II
Touch “SELF-DIAG RESULT”.
Which is displayed on CONSULT-III screen?
OK >> INSPECTION END
NG >> Go to EC-274, "
Diagnosis Procedure".
6.PERFORM COMPONENT FUNCTION CHECK
Perform component function check. Refer to EC-273, "
Component Function Check".
NOTE:
Use component function check to check the overall m onitoring function of the EVAP control system purge flow
monitoring. During this check, a 1s t trip DTC might not be confirmed.
Is the inspection result normal?
YES >> INSPECTION END
NO >> Go to EC-274, "
Diagnosis Procedure".
Component Function CheckINFOID:0000000005398438
1.PERFORM COMPONENT FUNCTION CHECK
Without CONSULT-III
1. Lift up drive wheels.
2. Start engine and warm it up to normal operating temperature.
3. Turn ignition switch OFF and wait at least 10 seconds.
4. Start engine and wait at least 70 seconds.
Selector lever Suitable position
VHCL SPEED SE 32 - 120 km/h (20 - 75 mph)
ENG SPEED 500 - 3,800 rpm
B/FUEL SCHDL 1.0 - 10.0 msec
COOLAN TEMP/S More than 0°C (32 °F)
Revision: January 20102010 Versa

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NISSAN LATIO 2010 Service Repair Manual EC-274
< COMPONENT DIAGNOSIS >[HR16DE]
P0441 EVAP CONTROL SYSTEM
5. Set voltmeter probes to ECM harness connector and ground.
6. Check EVAP control system pre
ssure sensor value at idle speed
and note

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NISSAN LATIO 2010 Service Repair Manual P0441 EVAP CONTROL SYSTEMEC-275
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3. Disconnect vacuum hose connected to EVAP canister
purge volume control solenoid valve at EVAP ser-

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NISSAN LATIO 2010 Service Repair Manual EC-276
< COMPONENT DIAGNOSIS >[HR16DE]
P0441 EVAP CONTROL SYSTEM
7.CHECK EVAP CANISTER PURGE VO
LUME CONTROL SOLENOID VALVE
Refer to EC-290, "
Component Inspection".
Is the inspection result normal?

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NISSAN LATIO 2010 Service Repair Manual P0441 EVAP CONTROL SYSTEMEC-277
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>> INSPECTION END
Component Inspection (Drain filter)INFOID:0000000005398440
1.CHECK DRAIN FILTER
1. Ch

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NISSAN LATIO 2010 Service Repair Manual EC-278
< COMPONENT DIAGNOSIS >[HR16DE]
P0442 EVAP CONTROL SYSTEM
P0442 EVAP CONTROL SYSTEM
DTC LogicINFOID:0000000005398441
DTC DETECTION LOGIC
NOTE:
If DTC P0442 is displayed with DTC P0456, first pe

EC-278
< COMPONENT DIAGNOSIS >[HR16DE]
P0442 EVAP CONTROL SYSTEM
P0442 EVAP CONTROL SYSTEM
DTC LogicINFOID:0000000005398441
DTC DETECTION LOGIC
NOTE:
If DTC P0442 is displayed with DTC P0456, first pe
rform the trouble diagnosis for DTC P0456. Refer to
EC-329, "
DTC Logic".
This diagnosis detects leaks in the EVAP purge line using engine intake manifold vacuum.
If pressure does not increase, the ECM will check for leaks in the line between the fuel tank and EVAP canister
purge volume control solenoid valve, under the following “Vacuum test” conditions.
The EVAP canister vent control valve is closed to shut the EVAP purge line off. The EVAP canister purge vol-
ume control solenoid valve will then be opened to depressurize the EVAP purge line using intake manifold
vacuum. After this occurs, the EVAP canister purge volume control solenoid valve will be closed.
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.
DTC No. Trouble diagnosis name DTC detecting condition Possible cause
P0442 EVAP control system
small leak detected
(negative pressure) EVAP control system has a leak, EVAP
control 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
• O-ring of EVAP canister vent control valve is missing or damaged
• EVAP canister is saturated with water
• EVAP control system pressure sensor
• Fuel level sensor and the circuit
• Refueling EVAP vapor cut valve
• ORVR system leaks
• Drain filter
PBIB1026E
Revision: January 20102010 Versa

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NISSAN LATIO 2010 Service Repair Manual P0442 EVAP CONTROL SYSTEMEC-279
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• If the fuel filler cap is not tigh
tened properly, the MIL may come on.
• Use only a genuine NISS

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• 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 CONFIRMATION PROCEDURE
1.PRECONDITIONING
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:
• Perform “DTC WORK SUPPORT” when the fuel level is between 1/4 and 3/4 full, and vehicle is placed
on flat level surface.
• Always perform test at a temperature of 0 to 30 °C (32 to 86 °F).
NOTE:
Make sure that EVAP hoses are connected to EVAP canister purge volume control solenoid valve
properly.
Do you have CONSULT-III?
YES >> GO TO 2.
NO >> GO TO 3.
2.PERFORM DTC CONFIRMATION PROCEDURE
With CONSULT-III
1. Turn ignition switch ON.
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. Make sure that the following conditions are met.
COOLAN TEMP/S: 0 - 70 °C (32 - 158° F)
INT/A TEMP SE: 0 - 30 °C (32 - 86° F)
5. Select “EVAP SML LEAK P0442/P1442” of “EVAPORATIVE SYSTEM” in “DTC WORK SUPPORT” mode
with CONSULT-III.
Follow the instruction displayed.
NOTE:
If the engine speed cannot be maintained within the range displayed on the CONSULT-III screen, go to
EC-20, "
BASIC INSPECTION : Special Repair Requirement".
Which is displayed on CONSULT-III screen?
OK >> INSPECTION END
NG >> Go to EC-279, "
Diagnosis Procedure".
3.PERFORM COMPONENT FUNCTION CHECK
With GST
NOTE:
Be sure to read the explanation of DRIVING PATTERN in EC-471, "
HowtoSetSRTCode" before driving
vehicle.
1. Start engine.
2. Drive vehicle according to DRIVING PATTERN.
3. Stop vehicle.
4. Turn ignition switch OFF, wait at least 10 seconds and then turn ON.
5. Select Service $07 with GST.
Is 1st trip DTC displayed?
YES-1 >> P0441: Go to EC-274, "Diagnosis Procedure".
YES-2 >> P0442: Go to EC-279, "
Diagnosis Procedure".
NO >> INSPECTION END
Diagnosis ProcedureINFOID:0000000005398442
1.CHECK FUEL FILLER CAP DESIGN
1. Turn ignition switch OFF.
Revision: January 20102010 Versa

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