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Home › Nissan-Datsun › 1983 › Sentra Base, 2D Hatchback, Standard › Repair and Diagnosis › Engine Performance › System › Fuel Shut-Off System › Component Testing › Component Check › Vacuum Switch (Pulsar and Sentra)

Vacuum Switch (Pulsar and Sentra)

  1. Disconnect vacuum hose and vacuum switch connector. Using vacuum pump, apply 23 in. Hg to vacuum hose. Check that there is continuity between C and NC and no continuity between C and NO. See Fig 1 .
    Fig 1: Vacuum Switch Test Connections (Pulsar & Sentra)
    G41185
  2. Disconnect vacuum pump. Check that there is continuity between C and NO and no continuity between C and NC. Reconnect hose and connector to original locations.
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