User Manual - Page 354

For 2001 XTERRA.

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SEF565X
SEF566X
SEF567X
DTC Confirmation Procedure
NGEC0245
NOTE:
If DTC P0440 or P1440 is displayed with P1448, perform
trouble diagnosis for DTC P1448 first. Refer to EC-519.
If DTC Confirmation Procedure has been previously
conducted, always turn ignition switch OFF and wait at least 5
seconds before conducting the next test.
With CONSULT-II
TESTING CONDITION:
Perform DTC WORK SUPPORT when the fuel level is
between 1/4 to 3/4 full and vehicle is placed on flat level
surface.
Always perform test at a temperature of 0 to 30°C (32 to
86°F).
It is better that the fuel level is low.
1) Turn ignition switch ON.
2) Turn ignition switch OFF and wait at least 5 seconds.
3) Turn ignition switch ON and select DATA MONITOR mode
with CONSULT-II.
4) Check that the following conditions are met.
COOLAN TEMP/S 0 - 70°C (32 - 158°F)
INT/A TEMP SE 0 - 60°C (32 - 140°F)
5) Select EVAP SML LEAK P0440 of EVAPORATIVE SYS-
TEM in DTC WORK SUPPORT mode with CONSULT-II.
Follow the instruction displayed.
NOTE:
If the engine cannot be maintained within the range on
CONSULT-II screen, go to Basic Inspection, EC-104.
6) Make sure that OK is displayed.
If NG is displayed, refer to Diagnostic Procedure, EC-356.
NOTE:
Make sure that EVAP hoses are connected to EVAP canister
purge volume control solenoid valve properly.
With GST
1) Start engine.
2) Drive vehicle according to Driving pattern, EC-74.
NOTE:
Be sure to read the explanation of Driving pattern on EC-74
before driving vehicle.
3) Stop vehicle.
4) Select MODE 1 with GST.
If SRT of EVAP system is not set yet, go to the following step.
If SRT of EVAP system is set, the result will be OK.
5) Turn ignition switch OFF and wait at least 5 seconds.
6) Start engine.
It is not necessary to cool engine down before driving.
7) Drive vehicle again according to the Driving pattern, EC-74.
8) Stop vehicle.
9) Select MODE 3 with GST.
If P1447 is displayed on the screen, go to Diagnostic
Procedure, EC-511.
If P0440 is displayed on the screen, go to Diagnostic
Procedure, EC-356.
DTC P0440 EVAP CONTROL SYSTEM (SMALL LEAK)
(NEGATIVE PRESSURE)
KA24DE
On Board Diagnosis Logic (Contd)
EC-354
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