2010 NISSAN LATIO Service Repair Manual

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Page 2089 of 3745

NISSAN LATIO 2010 Service Repair Manual EC-824
< SERVICE INFORMATION >[MR18DE]
DTC P0443 EVAP CANISTER PURGE VO
LUME CONTROL SOLENOID VALVE
1. Start engine and warm it up to normal operating temperature.
2. Turn ignition switch OFF and wait

Page 2090 of 3745

NISSAN LATIO 2010 Service Repair Manual DTC P0443 EVAP CANISTER PURGE VOLUME CONTROL SOLENOID VALVE
EC-825
< SERVICE INFORMATION > [MR18DE]
C
D
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G H
I
J
K L
M A
EC
NP
O
Wiring DiagramINFOID:0000000005532671
Specification data are referen

Page 2091 of 3745

NISSAN LATIO 2010 Service Repair Manual EC-826
< SERVICE INFORMATION >[MR18DE]
DTC P0443 EVAP CANISTER PURGE VO
LUME CONTROL SOLENOID VALVE
Do not use ECM ground terminals when measuring input/output voltage. Doi ng so may result in dam-
ag

Page 2092 of 3745

NISSAN LATIO 2010 Service Repair Manual DTC P0443 EVAP CANISTER PURGE VOLUME CONTROL SOLENOID VALVE
EC-827
< SERVICE INFORMATION > [MR18DE]
C
D
E
F
G H
I
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K L
M A
EC
NP
O
4. Check voltage between EVAP canister purge volume control
solenoid

Page 2093 of 3745

NISSAN LATIO 2010 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 2094 of 3745

NISSAN LATIO 2010 Service Repair Manual DTC P0443 EVAP CANISTER PURGE VOLUME CONTROL SOLENOID VALVE
EC-829
< SERVICE INFORMATION > [MR18DE]
C
D
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G H
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K L
M A
EC
NP
O
• EVAP hose between EVAP canister and vehi
cle frame for clogging

Page 2095 of 3745

NISSAN LATIO 2010 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:0000000005532675
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:0000000005532676
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: January 20102010 Versa

Page 2096 of 3745

NISSAN LATIO 2010 Service Repair Manual DTC P0444, P0445 EVAP CANISTER PURGE VOLUME CONTROL SOLENOID
VALVE
EC-831
< SERVICE INFORMATION > [MR18DE]
C
D
E
F
G H
I
J
K L
M A
EC
NP
O
On Board Diagnosis LogicINFOID:0000000005532677
DTC Confirma

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