2008 NISSAN LATIO Service Repair Manual

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Page 1401 of 2771

NISSAN LATIO 2008 Service Repair Manual DTC P0443 EVAP CANISTER PURGE VOLUME CONTROL SOLENOID VALVE
EC-327
< SERVICE INFORMATION >
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Wiring DiagramINFOID:0000000001702832
Specification data are reference values

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NISSAN LATIO 2008 Service Repair Manual EC-328
< SERVICE INFORMATION >
DTC P0443 EVAP CANISTER PURGE VOLUME CONTROL SOLENOID VALVE
Do not use ECM ground terminals when measuring input/output voltage. Doing so may result in dam-
age to the E

Page 1403 of 2771

NISSAN LATIO 2008 Service Repair Manual DTC P0443 EVAP CANISTER PURGE VOLUME CONTROL SOLENOID VALVE
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< SERVICE INFORMATION >
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4. Check voltage between EVAP canister purge volume control
solenoid valve te

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NISSAN LATIO 2008 Service Repair Manual EC-330
< SERVICE INFORMATION >
DTC P0443 EVAP CANISTER PURGE VOLUME CONTROL SOLENOID VALVE
4. Perform “PURG VOL CONT/V” in “ACTIVE TEST” mode with
CONSULT-II. Check that engine speed varies ac

Page 1405 of 2771

NISSAN LATIO 2008 Service Repair Manual DTC P0443 EVAP CANISTER PURGE VOLUME CONTROL SOLENOID VALVE
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>> Repair hose or replace EVAP canister.
13.CHECK INTERMITTENT INCIDENT
Refer

Page 1406 of 2771

NISSAN LATIO 2008 Service Repair Manual EC-332
< SERVICE INFORMATION >
DTC P0444, P0445 EVAP CANISTER PURGE VOLUME CONTROL SOLENOID
VALVE
DTC P0444, P0445 EVAP CANISTER PURGE VOLUME CONTROL SOLE-
NOID VALVE
DescriptionINFOID:00000000017028

EC-332
< SERVICE INFORMATION >
DTC P0444, P0445 EVAP CANISTER PURGE VOLUME CONTROL SOLENOID
VALVE
DTC P0444, P0445 EVAP CANISTER PURGE VOLUME CONTROL SOLE-
NOID VALVE
DescriptionINFOID:0000000001702836
SYSTEM DESCRIPTION
*1: The ECM determines the start signal status by the signal of engine speed and battery voltage.
*2: This signal is sent to the ECM through 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/OFF operation according to the signal sent from the
ECM. The opening of the valve varies for optimum engine control. The optimum value stored in the ECM is
determined by considering various engine conditions. When the engine is operating, the flow rate of fuel vapor
from the EVAP canister is regulated 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-II Reference Value in Data Monitor ModeINFOID:0000000001702837
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 canister
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 sensor Throttle position
Accelerator pedal position sensor Accelerator pedal position
Air fuel ratio (A/F) sensor 1Density of oxygen in exhaust gas
(Mixture ratio feedback signal)
Fuel tank temperature sensor Fuel temperature in fuel tank
Wheel sensor
Vehicle speed*
2
PBIA9215J
MONITOR ITEM CONDITION SPECIFICATION
PURG VOL C/V• Engine: After warming up
• Shift lever: N (A/T, CVT),
Neutral (M/T)
• Air conditioner switch: OFF
• No loadIdle
(Accelerator pedal is not depressed
even slightly, after engine starting)0%
2,000 rpm 0 - 50%

Page 1407 of 2771

NISSAN LATIO 2008 Service Repair Manual DTC P0444, P0445 EVAP CANISTER PURGE VOLUME CONTROL SOLENOID
VALVE
EC-333
< SERVICE INFORMATION >
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On Board Diagnosis LogicINFOID:0000000001702838
DTC Confirmation Proc

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NISSAN LATIO 2008 Service Repair Manual EC-334
< SERVICE INFORMATION >
DTC P0444, P0445 EVAP CANISTER PURGE VOLUME CONTROL SOLENOID
VALVE
Wiring Diagram
INFOID:0000000001702840
Specification data are reference values and are measured betwe

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