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DTC Confirmation Procedure
NHEC0342
NOTE:
I If DTC P1448 is displayed with P0440 or P1440, perform
trouble diagnosis for DTC P1448 first.
I If “DTC Confirmation Procedure” has been previously
conducted, always turn ignition switch “OFF” and wait at least
10 seconds before conducting the next test.
SEF565X
SEF566X
SEF567X
WITH CONSULT-II
NHEC0342S01
TESTING CONDITION:
I Perform “DTC WORK SUPPORT” when the fuel level is
between 1/4 to 3/4 full and vehicle is placed on flat level
surface.
I Always perform test at a temperature of 0 to 30°C (32 to
86°F).
1) Turn ignition switch “ON”.
2) Turn ignition switch “OFF” and wait at least 10 seconds.
3) Turn ignition switch “ON” and select “DATA MONITOR” mode
with CONSULT-II.
4) Make sure that the following conditions are met.
COOLAN TEMP/S 0 - 70°C (32 - 158°F)
INT/A TEMP SE 0 - 30°C (32 - 86°F)
5) Select “EVAP SML LEAK P0440/P1440” of “EVAPORATIVE
SYSTEM” in “DTC WORK SUPPORT” mode with CONSULT-
II.
Follow the instruction displayed.
If the engine speed cannot be maintained within the range
displayed on the CONSULT-II screen, go to “Basic Inspection”,
EC-109.
6) Make sure that “OK” is displayed.
If “NG” is displayed, go to the following step.
NOTE:
Make sure that EVAP hoses are connected to EVAP canister
purge volume control solenoid valve properly.
7) Stop engine and wait at least 10 seconds, then turn “ON”.
8) Disconnect hose from water separator.
9) Select “VENT CONTROL/V” of “ACTIVE TEST” mode with
CONSULT-II.
10) Touch “ON” and “OFF” alternately.
SEF223Y
11) Make sure the following.
Condition
VENT CONTROL/V
Air passage continuity
between A and B
ON No
OFF Yes
If the result is NG, go to “Diagnostic Procedure”, EC-568.
If the result is OK, go to “Diagnostic Procedure” for DTC
P0440, EC-364.
GI
MA
EM
LC
FE
AT
AX
SU
BR
ST
RS
BT
HA
SC
EL
IDX
DTC P1448 EVAPORATIVE EMISSION (EVAP) CANISTER VENT CONTROL
VALVE (OPEN)
DTC Confirmation Procedure
EC-565
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