Overall Function Check

With GST

Use this procedure to check the overall function of the EVAP very small leak function. During this check, a 1st trip DTC might not be confirmed.

1. Attach the EVAP service port adapter securely to the EVAP service port (2).
   • EVAP canister purge volume control solenoid valve (1)
   • ←: Vehicle front
   Fig 1: Identifying EVAP Service Port And EVAP Canister Purge Volume Control Solenoid Valve

   Courtesy of NISSAN NORTH AMERICA, INC.
2. Set the pressure pump and a hose.
3. Also set the pressure pump with pressure gauge to the EVAP service port adapter.
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 make sure the following conditions are satisfied.

   Pressure to be applied: 2.7 kPa (0.027 kg/cm ²  , 0.4 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/cm ²  , 0.06 psi)  .

   Fig 2: Checking EVAP Service Port Leakage Using Pressure Pump

   Courtesy of NISSAN NORTH AMERICA, INC.

   If NG, go to "DIAGNOSIS PROCEDURE ".

   If OK, go to next step.

8. Disconnect GST.
9. Start engine and warm it up to normal operating temperature.
10. Turn ignition switch OFF and wait at least 10 seconds.
11. Restart engine and let it idle for 90 seconds.
12. Keep engine speed at 2, 000 rpm for 30 seconds.
13. Turn ignition switch OFF.