User Manual - Page 1078

For 2001 XTERRA.

Loading ...
Loading ...
Loading ...
Absolute pressure sensor
Fuel tank temperature sensor
O-ring of EVAP canister vent control valve is missing or dam-
aged.
Water separator
EVAP canister is saturated with water.
Fuel level sensor and the circuit
EVAP control system pressure sensor
Refueling control valve
ORVR system leaks
SEF881X
SEF882X
SEF883X
DTC Confirmation Procedure
NGEC0992
CAUTION:
Never remove fuel filler cap during the DTC confirmation pro-
cedure.
NOTE:
If DTC P1441 is displayed with P0440, perform TROUBLE
DIAGNOSIS FOR DTC P1441 first.
If DIAGNOSTIC TROUBLE CODE CONFIRMATION PRO-
CEDURE has been previously conducted, always turn
ignition switch OFF and wait at least 5 seconds before
conducting the next test.
After repair, make sure that the hoses and clips are
installed properly.
TESTING CONDITION:
Open engine hood before conducting following proce-
dure.
If any of following condition is met just before the DTC
confirmation procedure, leave the vehicle for more than 1
hour.
a) Fuel filler cap is removed.
b) Refilled or drained the fuel.
c) EVAP component parts is/are removed.
Before performing the following procedure, confirm that
battery voltage is more than 11V at idle.
With CONSULT-II
1) Turn ignition switch ON and select DATA MONITOR mode
with CONSULT-II.
2) Make sure the following conditions are met.
FUEL LEVEL SE: 1.08 - 0.2V
COOLAN TEMP/S:0-32°C(32-90°F)
FUEL T/TMP SE:0-32°C(32-90°F)
INT A/TEMP SE: More than 0°C (32°F)
If NG, turn ignition switch OFF and leave the vehicle in a cool
place (soak the vehicle) or refilling/draining fuel until the out-
put voltage condition of the FUELLEVELSE meets within the
range above and leave the vehicle for more than 1 hour. Then
start from step 1).
3) Turn ignition switch OFF and wait at least 5 seconds.
4) Turn ignition switch ON.
5) Select EVAP VERY/SML LEAK P1441 of EVAPORATIVE
SYSTEM in DTC WORK SUPPORT mode with CONSULT-
II.
Follow the instruction displayed.
6) Make sure that OK is displayed.
If NG is displayed, refer to Diagnostic Procedure, EC-825.
DTC P1441 EVAP CONTROL SYSTEM (VERY SMALL LEAK)
VG33E
On Board Diagnosis Logic (Contd)
EC-1078
Loading ...
Loading ...
Loading ...