2009 NISSAN LATIO Service Repair Manual

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Page 2681 of 4331

NISSAN LATIO 2009 Service Repair Manual DTC P0443 EVAP CANISTE
R PURGE VOLUME CONTROL SOLENOID VALVE
EC-1325
< SERVICE INFOMATION >
[MR TYPE 2] C
D E
F
G H
I
J
K L
M A EC
NP
O
Wiring Diagram
INFOID:0000000004500182
Specification data are re

Page 2682 of 4331

NISSAN LATIO 2009 Service Repair Manual EC-1326< SERVICE INFOMATION >
[MR TYPE 2]
DTC P0443 EVAP CANISTER PURGE VO
LUME CONTROL SOLENOID VALVE
Do not use ECM ground terminals when measuring in put/output voltage. Doing so may result in dam-

Page 2683 of 4331

NISSAN LATIO 2009 Service Repair Manual DTC P0443 EVAP CANISTE
R PURGE VOLUME CONTROL SOLENOID VALVE
EC-1327
< SERVICE INFOMATION >
[MR TYPE 2] C
D E
F
G H
I
J
K L
M A EC
NP
O
4. Check voltage between EVAP canister purge volume contr

Page 2684 of 4331

NISSAN LATIO 2009 Service Repair Manual EC-1328< SERVICE INFOMATION >
[MR TYPE 2]
DTC P0443 EVAP CANISTER PURGE VO
LUME CONTROL SOLENOID VALVE
4. Perform “PURG VOL CONT/V” in “ACTIVE TEST” m ode with CONSULT-III. Check that engine s

Page 2685 of 4331

NISSAN LATIO 2009 Service Repair Manual DTC P0443 EVAP CANISTE
R PURGE VOLUME CONTROL SOLENOID VALVE
EC-1329
< SERVICE INFOMATION >
[MR TYPE 2] C
D E
F
G H
I
J
K L
M A EC
NP
O
• EVAP hose between EVAP canister and vehi
cle frame for clogg

Page 2686 of 4331

NISSAN LATIO 2009 Service Repair Manual EC-1330< SERVICE INFOMATION >
[MR TYPE 2]
DTC P0444, P0445 EVAP CANISTER
PURGE VOLUME CONTROL SOLENOID
VALVE
DTC P0444, P0445 EVAP CANISTER PURGE VOLUME CONTROL SOLE-
NOID VALVE
Description INFOID:

EC-1330< SERVICE INFOMATION >
[MR TYPE 2]
DTC P0444, P0445 EVAP CANISTER
PURGE VOLUME CONTROL SOLENOID
VALVE
DTC P0444, P0445 EVAP CANISTER PURGE VOLUME CONTROL SOLE-
NOID VALVE
Description INFOID:0000000004501184
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 sol enoid 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 Mode INFOID:0000000004501185
Specification data are reference values. Sensor Input Signal to ECM
ECM
function Actuator
Crankshaft position sensor (POS)
Camshaft position sensor (PHASE) Engine speed*
1
EVAP can-
ister purge
flow control EVAP 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 sensor Throttle 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 CONDITION SPECIFICATION
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%

Page 2687 of 4331

NISSAN LATIO 2009 Service Repair Manual EC
NP
O
On Board Diagnosis Logic
INFOID:0000000004500188
DTC Confirmation Procedure INFOID:0000000004500189
NOTE:
If DTC Confirmation Procedure has been previously conduc ted, always turn ig

Page 2688 of 4331

NISSAN LATIO 2009 Service Repair Manual EC-1332< SERVICE INFOMATION >
[MR TYPE 2]
DTC P0444, P0445 EVAP CANISTER
PURGE VOLUME CONTROL SOLENOID
VALVE
Wiring Diagram INFOID:0000000004501186
Specification data are reference values and are me

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