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 (1) adapter securely to the EVAP service port.
   • ←: Vehicle front
   Fig 1: Identifying EVAP Service Port

   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 check that the following conditions are satisfied.

   Pressure to be applied: 2.7 kPa (0.028 kg/cm ²  , 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 (0.0041 kg/cm ²  , 0.06 psi)  .

   If NG, go to "DIAGNOSIS PROCEDURE ".

   If OK, go to next step.

   Fig 2: Checking EVAP Service Port For Leakage Using Pressure Pump

   Courtesy of NISSAN NORTH AMERICA, INC.
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.