Infiniti FX35 / FX45. Manual — part 320
EVAPORATIVE EMISSION SYSTEM
EC-41
< SERVICE INFORMATION >
[VQ35DE]
C
D
E
F
G
H
I
J
K
L
M
A
EC
N
P
O
EVAPORATIVE EMISSION LINE DRAWING
PBIB2096E
EC-42
< SERVICE INFORMATION >
[VQ35DE]
EVAPORATIVE EMISSION SYSTEM
Component Inspection
INFOID:0000000001325905
EVAP CANISTER
PBIB2295E
EVAPORATIVE EMISSION SYSTEM
EC-43
< SERVICE INFORMATION >
[VQ35DE]
C
D
E
F
G
H
I
J
K
L
M
A
EC
N
P
O
Check EVAP canister as follows:
1.
Block port B.
2.
Blow air into port A and check that it flows freely out of port C.
3.
Release blocked port B.
4.
Apply vacuum pressure to port B and check that vacuum pres-
sure exists at the ports A and C.
5.
Block port A and B.
6.
Apply pressure to port C and check that there is no leakage.
FUEL TANK VACUUM RELIEF VALVE (BUILT INTO FUEL FILLER CAP)
1.
Wipe clean valve housing.
2.
Check valve opening pressure and vacuum.
3.
If out of specification, replace fuel filler cap as an assembly.
CAUTION:
Use only a genuine fuel filler cap as a replacement. If an incor-
rect fuel filler cap is used, the MIL may come on.
EVAP CANISTER PURGE VOLUME CONTROL SOLENOID VALVE
EC-360, "Component Inspection"
FUEL TANK TEMPERATURE SENSOR
EC-297, "Component Inspection"
EVAP CANISTER VENT CONTROL VALVE
EC-364, "Component Inspection"
EVAP CONTROL SYSTEM PRESSURE SENSOR
EC-380, "Component Inspection"
EVAP SERVICE PORT
PBIB1044E
SEF445Y
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)
SEF943S
EC-44
< SERVICE INFORMATION >
[VQ35DE]
EVAPORATIVE EMISSION SYSTEM
Positive pressure is delivered to the EVAP system through the EVAP
service port. If fuel vapor leakage in the EVAP system occurs, use a
leak detector to locate the leak.
Removal and Installation
INFOID:0000000001325906
EVAP CANISTER
Tighten EVAP canister as shown in the figure.
EVAP CANISTER VENT CONTROL VALVE
1.
Turn EVAP canister vent control valve counterclockwise.
2.
Remove the EVAP canister vent control valve.
Always replace O-ring with a new one.
How to Detect Fuel Vapor Leakage
INFOID:0000000001325907
CAUTION:
• Never use compressed air or a high pressure pump.
• Do not exceed 4.12 kPa (0.042 kg/cm
2
, 0.6 psi) of pressure in EVAP system.
NOTE:
• Do not start engine.
• Improper installation of EVAP service port adapter to the EVAP service port may cause a leak.
WITH CONSULT-III
1.
Attach the EVAP service port adapter securely to the EVAP service port.
2.
Also attach the pressure pump and hose to the EVAP service port adapter.
SEF462UA
PBIB1029E
PBIB1030E
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