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10) Select “MODE 1” with GST.
쐌 If SRT of EVAP system is set, the result will be OK.
쐌 If SRT of EVAP system is not set, go to step 6.
Diagnostic Procedure
NGEC0967
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 䊳 GO TO 2.
NG 䊳 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 䊳 GO TO 3.
NG 䊳 쐌 Open fuel filler cap, then clean cap and fuel filler neck threads using air blower.
쐌 Retighten until ratcheting sound is heard.
3 CHECK FUEL FILLER CAP FUNCTION
Check for air releasing sound while opening the fuel filler cap.
OK or NG
OK 䊳 GO TO 6.
NG 䊳 GO TO 4.
4 CHECK FUEL TANK VACUUM RELIEF VALVE
Refer to “Evaporative Emission System”, EC-619.
OK or NG
OK 䊳 GO TO 5.
NG 䊳 Replace fuel filler cap with a genuine one.
DTC P0440 EVAP CONTROL SYSTEM (SMALL LEAK)
(NEGATIVE PRESSURE)
VG33E
DTC Confirmation Procedure (Cont’d)
EC-961
GI
MA
EM
LC
FE
CL
MT
AT
TF
PD
AX
SU
BR
ST
RS
BT
HA
SC
EL
IDX
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