Infiniti FX35 / FX45. Manual - part 320

EVAPORATIVE EMISSION SYSTEM

EC-41

< SERVICE INFORMATION >

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EVAPORATIVE EMISSION LINE DRAWING

PBIB2096E

EC-42

< SERVICE INFORMATION >

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EVAPORATIVE EMISSION SYSTEM

Component Inspection

INFOID:0000000001325905

EVAP CANISTER

PBIB2295E

EVAPORATIVE EMISSION SYSTEM

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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

Refer to 

EC-360, "Component Inspection"

.

FUEL TANK TEMPERATURE SENSOR

Refer to 

EC-297, "Component Inspection"

.

EVAP CANISTER VENT CONTROL VALVE

Refer to 

EC-364, "Component Inspection"

.

EVAP CONTROL SYSTEM PRESSURE SENSOR

Refer to 

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 >

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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

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