1.CHECK FUEL FILLER CAP DESIGN

1. Turn ignition switch OFF.
2. Check for genuine NISSAN fuel filler cap design.

Is the inspection result normal?
YES>>GO TO 2.
NO>>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.
Is the inspection result normal?
YES>>GO TO 3.
NO>>Open fuel filler cap, then clean cap and fuel filler neck threads using air blower. Retighten until ratcheting sound is heard.
3.CHECK FUEL FILLER CAP FUNCTION
Check for air releasing sound while opening the fuel filler cap.
Is the inspection result normal?
YES>>GO TO 5.
NO>>GO TO 4.
4.CHECK FUEL TANK VACUUM RELIEF VALVE
Refer to Component Inspection (GT-R certified NISSAN dealer).
Is the inspection result normal?
YES>>GO TO 5.
NO>>Replace fuel filler cap with a genuine one.
5.CHECK FOR EVAP LEAK
Refer to Inspection.
Is there any leak in EVAP line?
YES>>Repair or replace malfunctioning part.
NO>>GO TO 6.
6.CHECK EVAP CANISTER VENT CONTROL VALVE
Check the following.

- EVAP canister vent control valve is installed properly.Refer to Removal and Installation.
- EVAP canister vent control valve.Refer to Component Inspection (GT-R certified NISSAN dealer).

Is the inspection result normal?
YES>>GO TO 7.
NO>>Repair or replace EVAP canister vent control valve and O-ring.
7.CHECK IF EVAP CANISTER IS SATURATED WITH WATER

1. Remove EVAP canister with EVAP canister vent control valve and EVAP control system pressure sensor attached.
2. Check if water will drain from EVAP canister (1).

   2 | : EVAP canister vent control valve

Does water drain from the EVAP canister?
YES>>GO TO 8.
NO-1>>With CONSULT-III: GO TO 10.
NO-2>>Without CONSULT-III: GO TO 11.
8.CHECK EVAP CANISTER
Weigh the EVAP canister with the EVAP canister vent control valve and EVAP control system pressure sensor attached.
The weight should be less than 2.1 kg (4.6 lb).
Is the inspection result normal?
YES-1>>With CONSULT-III: GO TO 10.
YES-2>>Without CONSULT-III: GO TO 11.
NO>>GO TO 9.
9.DETECT MALFUNCTIONING PART
Check the following.

- EVAP canister for damage
- EVAP hose between EVAP canister and vehicle frame for clogging or poor connection

>>Repair hose or replace EVAP canister.
10.CHECK EVAP CANISTER PURGE VOLUME CONTROL SOLENOID VALVE OPERATION
With CONSULT-III

1. Disconnect vacuum hose connected to EVAP service port and EVAP canister purge volume control solenoid valve from EVAP canister purge volume control solenoid valve.
2. Start engine and let it idle.
3. Select “PURG VOL CONT/V” in “ACTIVE TEST” mode.
4. Touch “Qu” on CONSULT-III screen to increase “PURG VOL CONT/V” opening to 100%.
5. Check vacuum hose for vacuum.

   Vacuum should exist.

Is the inspection result normal?
YES>>GO TO 13.
NO>>GO TO 12.
11.CHECK EVAP CANISTER PURGE VOLUME CONTROL SOLENOID VALVE OPERATION
Without CONSULT-III

1. Start engine and warm it up to normal operating temperature.
2. Stop engine.
3. Disconnect vacuum hose connected to EVAP service port and EVAP canister purge volume control solenoid valve from EVAP canister purge volume control solenoid valve.
4. Start engine and let it idle for at least 80 seconds.
5. Check vacuum hose for vacuum when revving engine up to 2,000 rpm.

   Vacuum should exist.

Is the inspection result normal?
YES>>GO TO 14.
NO>>GO TO 12.
12.CHECK VACUUM HOSE
Check vacuum hoses for clogging or disconnection. Refer to System Diagram (GT-R certified NISSAN dealer).
Is the inspection result normal?
YES>>GO TO 13.
NO>>Repair or reconnect the hose.
13.CHECK EVAP CANISTER PURGE VOLUME CONTROL SOLENOID VALVE
Refer to Component Inspection (GT-R certified NISSAN dealer).
Is the inspection result normal?
YES>>GO TO 14.
NO>>Replace EVAP canister purge volume control solenoid valve.
14.CHECK FUEL TANK TEMPERATURE SENSOR
Refer to Component Inspection (GT-R certified NISSAN dealer).
Is the inspection result normal?
YES>>GO TO 15.
NO>>Replace “fuel level sensor unit and fuel pump”.
15.CHECK EVAP CONTROL SYSTEM PRESSURE SENSOR
Refer to Component Inspection (GT-R certified NISSAN dealer).
Is the inspection result normal?
YES>>GO TO 16.
NO>>Replace EVAP control system pressure sensor.
16.CHECK EVAP PURGE LINE
Check EVAP purge line (pipe, rubber tube, fuel tank and EVAP canister) for cracks or improper connection.
Refer to System Diagram (GT-R certified NISSAN dealer).
Is the inspection result normal?
YES>>GO TO 17.
NO>>Repair or reconnect the hose.
17.CLEAN EVAP PURGE LINE
Clean EVAP purge line (pipe and rubber tube) using air blower.
>>GO TO 18.
18.CHECK EVAP/ORVR LINE
Check EVAP/ORVR line between EVAP canister and fuel tank for clogging, kinks, looseness and improper connection. For location, refer to Description (GT-R certified NISSAN dealer).
Is the inspection result normal?
YES>>GO TO 19.
NO>>Repair or replace hoses and tubes.
19.CHECK RECIRCULATION LINE
Check recirculation line between fuel filler tube and fuel tank for clogging, kinks, cracks, looseness and improper connection.
Is the inspection result normal?
YES>>GO TO 20.
NO>>Repair or replace hose, tube or fuel filler tube.
20.CHECK REFUELING EVAP VAPOR CUT VALVE
Refer to Component Inspection (GT-R certified NISSAN dealer).
Is the inspection result normal?
YES>>GO TO 21.
NO>>Replace refueling EVAP vapor cut valve with fuel tank.
21.CHECK FUEL LEVEL SENSOR
Refer to Component Inspection (GT-R certified NISSAN dealer).
Is the inspection result normal?
YES>>GO TO 22.
NO>>Replace “fuel level sensor unit and fuel pump (main)”.
22.CHECK INTERMITTENT INCIDENT
Refer to Intermittent Incident.
>>INSPECTION END