2011 NISSAN LATIO Service Repair Manual

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Page 2121 of 3787

NISSAN LATIO 2011 Service Repair Manual DTC P0443 EVAP CANISTER PURGE VOLUME CONTROL SOLENOID VALVE
EC-827
< SERVICE INFORMATION > [MR18DE]
C
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EC
NP
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4. Check voltage between EVAP canister purge volume control
solenoid

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NISSAN LATIO 2011 Service Repair Manual EC-828
< SERVICE INFORMATION >[MR18DE]
DTC P0443 EVAP CANISTER PURGE VO
LUME CONTROL SOLENOID VALVE
4. Perform “PURG VOL CONT/V” in “ACTIVE TEST” mode with CONSULT-III. Check that engine speed

Page 2123 of 3787

NISSAN LATIO 2011 Service Repair Manual DTC P0443 EVAP CANISTER PURGE VOLUME CONTROL SOLENOID VALVE
EC-829
< SERVICE INFORMATION > [MR18DE]
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• EVAP hose between EVAP canister and vehi
cle frame for clogging

Page 2124 of 3787

NISSAN LATIO 2011 Service Repair Manual EC-830
< SERVICE INFORMATION >[MR18DE]
DTC P0444, P0445 EVAP CANISTER PURGE VOLUME CONTROL SOLENOID
VALVE
DTC P0444, P0445 EVAP CANISTER PURGE VOLUME CONTROL SOLE-
NOID VALVE
DescriptionINFOID:00000

EC-830
< SERVICE INFORMATION >[MR18DE]
DTC P0444, P0445 EVAP CANISTER PURGE VOLUME CONTROL SOLENOID
VALVE
DTC P0444, P0445 EVAP CANISTER PURGE VOLUME CONTROL SOLE-
NOID VALVE
DescriptionINFOID:0000000006341993
SYSTEM DESCRIPTION
*1: ECM determines the start signal status by the signals of engine speed and battery voltage.
*2: This signal is sent to the ECM though CAN communication line.
This system controls flow rate of fuel vapor from the EVAP canister. The opening of the vapor by-pass pas-
sage in the EVAP canister purge volume control solenoid valve changes to control the flow rate. The EVAP
canister purge volume control solenoid valve repeats ON/O FF operation according to the signal sent from the
ECM. The opening of the valve varies for optimum engi ne control. The optimum value stored in the ECM is
determined by considering various engine conditions. When t he engine is operating, the flow rate of fuel vapor
from the EVAP canister is r egulated as the air flow changes.
COMPONENT DESCRIPTION
The EVAP canister purge volume control solenoid valve uses a ON/
OFF duty to control the flow rate of fuel vapor from the EVAP canis-
ter. The EVAP canister purge volume control solenoid valve is
moved by ON/OFF pulses from the ECM. The longer the ON pulse,
the greater the amount of fuel vapor that will flow through the valve.
CONSULT-III Reference Value in Data Monitor ModeINFOID:0000000006341994
Specification data are reference values.
Sensor Input Signal to ECMECM
function Actuator
Crankshaft position sensor (POS)
Camshaft position sensor (PHASE) Engine speed*
1
EVAP can-
ister purge
flow controlEVAP canister purge volume
control solenoid valve
Mass air flow sensor Amount of intake air
Engine coolant temperature sensor
Engine coolant temperature
Battery Battery voltage*
1
Throttle position sensorThrottle position
Accelerator pedal position sensor Accelerator pedal position
Air fuel ratio (A/F) sensor 1 Density of oxygen in exhaust gas
(Mixture ratio
feedback signal)
Fuel tank temperature sensor Fuel temperature in fuel tank
ABS actuator and electric unit (control unit) Vehicle speed*
2
Combination meter
PBIA9215J
Monitor item ConditionSpecification
PURG VOL C/V • Engine: After warming up
• Shift lever: P or N (A/T, CVT),
Neutral (M/T)
• Air conditioner switch: OFF
•No load Idle
(Accelerator pedal is not depressed
even slightly, after engine starting)
0%
2,000 rpm 0 - 50%
Revision: May 2010 2011 Versa

Page 2125 of 3787

NISSAN LATIO 2011 Service Repair Manual DTC P0444, P0445 EVAP CANISTER PURGE VOLUME CONTROL SOLENOID
VALVE
EC-831
< SERVICE INFORMATION > [MR18DE]
C
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EC
NP
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On Board Diagnosis LogicINFOID:0000000006341995
DTC Confirma

Page 2126 of 3787

NISSAN LATIO 2011 Service Repair Manual EC-832
< SERVICE INFORMATION >[MR18DE]
DTC P0444, P0445 EVAP CANISTER PURGE VOLUME CONTROL SOLENOID
VALVE
Wiring Diagram
INFOID:0000000006341997
Specification data are reference values and are measur

Page 2127 of 3787

NISSAN LATIO 2011 Service Repair Manual DTC P0444, P0445 EVAP CANISTER PURGE VOLUME CONTROL SOLENOID
VALVE
EC-833
< SERVICE INFORMATION > [MR18DE]
C
D
E
F
G H
I
J
K L
M A
EC
NP
O
Do not use ECM ground terminals wh
en measuring input/output

Page 2128 of 3787

NISSAN LATIO 2011 Service Repair Manual EC-834
< SERVICE INFORMATION >[MR18DE]
DTC P0444, P0445 EVAP CANISTER PURGE VOLUME CONTROL SOLENOID
VALVE
4. Check voltage between EVAP canister purge volume control
solenoid valve terminal 1 and gro

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