Infiniti I35 (A33). Manual — part 252
3)
Stop vehicle.
4)
Select “MODE 1” with GST.
I
If SRT of EVAP system is not set yet, go to the following step.
I
If SRT of EVAP system is set, the result will be OK.
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-81.
8)
Stop vehicle.
9)
Select “MODE 3” with GST.
I
If P0442 is displayed on the screen, go to “Diagnostic
Procedure”, EC-349.
I
If P0441 is displayed on the screen, go to “Diagnostic Proce-
dure” for DTC P0441, EC-340.
I
If P0441 and P0442 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
NHEC0962
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.
GI
MA
EM
LC
FE
AT
AX
SU
BR
ST
RS
BT
HA
SC
EL
IDX
DTC P0442 EVAP CONTROL SYSTEM
DTC Confirmation Procedure (Cont’d)
EC-349
3
CHECK FUEL FILLER CAP FUNCTION
Check for air releasing sound while opening the fuel filler cap.
OK or NG
OK
©
GO TO 5.
NG
©
GO TO 4.
4
CHECK FUEL TANK VACUUM RELIEF VALVE
1. Wipe clean valve housing.
2. Check valve opening pressure and vacuum.
SEF445Y
SEF943S
Pressure:
15.3 - 20.0 kPa (0.156 - 0.204 kg/cm
2
, 2.22 - 2.90 psi)
Vacuum:
−6.0 to −3.3 kPa (−0.061 to −0.034 kg/cm
2
, −0.87 to −0.48 psi)
CAUTION:
Use only a genuine fuel filler cap as a replacement. If an incorrect fuel filler cap is used, the MIL may come on.
OK or NG
OK
©
GO TO 5.
NG
©
Replace fuel filler cap with a genuine one.
DTC P0442 EVAP CONTROL SYSTEM
Diagnostic Procedure (Cont’d)
EC-350
5
INSTALL THE PRESSURE PUMP
To locate the EVAP leak, install EVAP service port adapter and pressure pump to EVAP service port securely.
SEC929C
SEF916U
NOTE:
Improper installation of the EVAP service port adapter to the EVAP service port may cause leaking.
Models with CONSULT-II
©
GO TO 6.
Models without CON-
SULT-II
©
GO TO 7.
GI
MA
EM
LC
FE
AT
AX
SU
BR
ST
RS
BT
HA
SC
EL
IDX
DTC P0442 EVAP CONTROL SYSTEM
Diagnostic Procedure (Cont’d)
EC-351
6
CHECK FOR EVAP LEAK
With CONSULT-II
1. Turn ignition switch ON.
2. Select “EVAP SYSTEM CLOSE” of “WORK SUPPORT” mode with CONSULT-II.
3. Touch “START” and apply pressure into the EVAP line until the pressure indicator reaches the middle of the bar graph.
NOTE:
I
Never use compressed air or a high pressure pump.
I
Do not exceed 4.12 kPa (0.042 kg/cm
2
, 0.6 psi) of pressure in the system.
PEF917U
4. Using EVAP leak detector, locate the EVAP leak. For the leak detector, refer to the instruction manual for more details.
Refer to “EVAPORATIVE EMISSION LINE DRAWING”, EC-41.
SEF200U
OK or NG
OK
©
GO TO 8.
NG
©
Repair or replace.
DTC P0442 EVAP CONTROL SYSTEM
Diagnostic Procedure (Cont’d)
EC-352
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