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