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SEF032W
SEF143S
Component Description
NGEC0864
NOTE:
If DTC P1448 is displayed with P0440, perform trouble diagno-
sis for DTC P1448 first.
The EVAP canister vent control valve is located on the EVAP can-
ister and is used to seal the canister vent.
This solenoid valve responds to signals from the ECM. When the
ECM sends an ON signal, the coil in the solenoid valve is ener-
gized. A plunger will then move to seal the canister vent. The abil-
ity to seal the vent is necessary for the on board diagnosis of other
evaporative emission control system components.
This solenoid valve is used only for diagnosis, and usually remains
opened.
When the vent is closed, under normal purge conditions, the
evaporative emission control system is depressurized and allows
“EVAP Control System (Small Leak)” diagnosis.
CONSULT-II Reference Value in Data Monitor
Mode
NGEC0865
Specification data are reference values.
MONITOR ITEM CONDITION SPECIFICATION
VENT CONT/V 쐌 Ignition switch: ON OFF
ECM Terminals and Reference Value
NGEC0866
Specification data are reference values and are measured between each terminal and ground.
CAUTION:
Do not use ECM ground terminals when measuring input/output voltage. Doing so may result in dam-
age to the ECM’s transistor. Use a ground other than the ECM terminals, such as the ground.
TERMI-
NAL
NO.
WIRE
COLOR
ITEM CONDITION DATA (DC Voltage)
108 R/G
EVAP canister vent control
valve
[Ignition switch ON]
BATTERY VOLTAGE
(11 - 14V)
On Board Diagnosis Logic
NGEC0867
Malfunction is detected when EVAP canister vent control valve
remains opened under specified driving conditions.
POSSIBLE CAUSE
NGEC0867S01
쐌 EVAP canister vent control valve
쐌 EVAP control system pressure sensor and circuit
쐌 Blocked rubber tube to EVAP canister vent control valve
쐌 Water separator
쐌 EVAP canister is saturated with water.
쐌 Vacuum cut valve
DTC P1448 EVAPORATIVE EMISSION (EVAP) CANISTER VENT
CONTROL VALVE (OPEN)
VG33E
Component Description
EC-1123
GI
MA
EM
LC
FE
CL
MT
AT
TF
PD
AX
SU
BR
ST
RS
BT
HA
SC
EL
IDX
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