With GST
- Remove vacuum cut valve and vacuum cut valve bypass valve as an assembly.
- Apply vacuum to port A
and check that there is no suction from port B.
Courtesy of NISSAN MOTOR CO., U.S.A.
- Apply vacuum to port B
and check that there is suction from port A.
- Blow air in port B
and check that there is a resistance to flow out of port A.
- Supply battery voltage to the terminal.
- Blow air in port A
and check that air flows freely out of port B.
- Blow air in port B
and check that air flows freely out of port A.
- If NG, go to "DIAGNOSTIC PROCEDURE ".