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 (commercial service tool) securely to the EVAP service port (1).
   Fig 1: Installing Pressure Pump To EVAP Service Port

   Courtesy of NISSAN MOTOR CO., U.S.A.
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 make sure 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 (0.004 kg/cm ²  , 0.06 psi)  .

   Fig 2: Attaching EVAP Service Port Adapter To EVAP Service Port

   Courtesy of NISSAN MOTOR CO., U.S.A.

   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.