With Consult-II

1. Install vacuum gauge between EGRC-BPT valve and EGR valve as shown in the illustration.
2. Start engine and warm it up to normal operating temperature.
3. Stop engine and wait at least 5 seconds.
4. Turn ignition switch ON and select "EGRC-BPT VLC P0402" of "EGR SYSTEM" in "DTC WORK SUPPORT" mode with CONSULT-II.
5. Start engine and let it idle.
   Fig 1: Installing Vacuum Gauge Between EGRC-BPT Valve And EGR Valve

   Courtesy of NISSAN MOTOR CO., U.S.A.
6. Touch "START".
7. Check the output voltage of "THRTL POS SEN" (at closed throttle position) and note it.
   Fig 2: Scan Tool Display

   Courtesy of NISSAN MOTOR CO., U.S.A.
8. When the following conditions are met, "TESTING" will be displayed on the CONSULT-II screen and the bar chart may increase. Maintain the conditions many times until "COMPLETED" appears.
   Fig 3: Selector Level Position Chart

   Courtesy of NISSAN MOTOR CO., U.S.A.
   Fig 4: Scan Tool Display

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

   • The bar chart on CONSULT-II screen indicates the status of this test. However, the test may be finished before the bar chart becomes full scale.
   • If the bar chart indication does not continue to progress, completely release accelerator pedal once and try to meet the conditions again.
   • If "TESTING" does not appear on CONSULT-II screen, retry from step  2.
9. If CONSULT-II instructs to carry out "Overall Function Check", go to next step. If "NG" is displayed, refer to DIAGNOSTIC PROCEDURE .
   Fig 5: Scan Tool Display

   Courtesy of NISSAN MOTOR CO., U.S.A.
10. Open engine hood.
11. Raise engine speed to 2,400 to 3,200 RPM under no-load and hold it. Then touch "NEXT" on CONSULT-II screen.
    Fig 6: Scan Tool Display

    Courtesy of NISSAN MOTOR CO., U.S.A.
12. Check vacuum gauge while keeping engine speed at 2,400 to 3,200 RPM.

    Vacuum should be 0 to -20 kPa (0 to -150 mmHg, 0 to -5.91 inHg). 

    If NG, go to DIAGNOSTIC PROCEDURE .

    If OK, touch "YES" on the CONSULT-II screen.

13. Check the EGR valve lifting when revving from 2,000 RPM to 4,000 RPM quickly under no load.

    EGR valve should lift up, and go down without sticking when the engine is returned to idle.

    If NG, check EGR valve.

    If OK, touch "YES" or the CONSULT-II screen.

    Fig 7: Scan Tool Display

    Courtesy of NISSAN MOTOR CO., U.S.A.
14. Check the rubber tube between intake manifold collector, EGRC solenoid valve, EGR valve and EGRC-BPT valve for cracks, blockages or twisting.

If NG, repair or replace.

If OK, touch "YES" on the CONSULT-II screen.