2019 Infiniti M35 V6-3.5L (VQ35HR) Diagnostic and Repair Information Page 534
2. Set the pressure pump and a hose.
3. Also set a vacuum gauge via 3-way connector and a hose.
4. Turn ignition switch ON.
5. Connect GST and select Service $08.
6. Using Service $08 control the EVAP canister vent control valve
(close).
7. Apply pressure and check the following conditions are satisfied.
Pressure to be applied: 2.7 kPa (0.028 kg/cm2, 0.39 psi)
Time to be waited after the pressure drawn in to the EVAP system and the pressure to be dropped: 60 seconds and the pressure should
not be dropped more than 0.4 kPa
(0.004 kg/cm2, 0.06 psi).
Is the inspection result normal?
YES - GO TO 2.
NO - Go to See: P Code Charts/P0456.
2.RELEASE PRESSURE
1. Disconnect GST.
2. Start engine and warm it up to normal operating temperature.
3. Turn ignition switch OFF and wait at least 10 seconds.
4. Turn ignition switch ON.
5. Turn ignition switch OFF and wait at least 10 seconds.
6. Restart engine and let it idle for 90 seconds.
7. Keep engine speed at 2,000 rpm for 30 seconds.
8. Turn ignition switch OFF.
NOTE:
For more information, refer to GST Instruction Manual.
- INSPECTION END
Diagnosis Procedure
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