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5) Turn ignition switch “OFF” and wait at least 10 seconds.
6) Start engine.
It is not necessary to cool engine down before driving.
7) Drive vehicle again according to the “Driving Pattern”, EC-75.
8) Stop vehicle.
9) Select “MODE 3” with GST.
I If P0440 or P1440 is displayed on the screen, go to “Diagnos-
tic Procedure”, EC-364.
I If P1447 is displayed on the screen, go to “Diagnostic Proce-
dure” for DTC P1447, EC-556.
I If P0440, P1440 and P1447 are not displayed on the screen,
go to the following step.
10) Select “MODE 1” with GST.
I If SRT of EVAP system is set, the result will be OK.
I If SRT of EVAP system is not set, go to step 6.
Diagnostic Procedure
NHEC0220
1 CHECK FUEL FILLER CAP DESIGN
1. Turn ignition switch “OFF”.
2. Check for genuine NISSAN fuel filler cap design.
SEF915U
OK or NG
OK © GO TO 2.
NG © Replace with genuine NISSAN fuel filler cap.
2 CHECK FUEL FILLER CAP INSTALLATION
Check that the cap is tightened properly by rotating the cap clockwise.
OK or NG
OK © GO TO 3.
NG © I Open fuel filler cap, then clean cap and fuel filler neck threads using air blower.
I Retighten until ratcheting sound is heard.
DTC P0440 EVAP CONTROL SYSTEM (SMALL LEAK) (NEGATIVE PRESSURE)
DTC Confirmation Procedure (Cont’d)
EC-364
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