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Home >> Nissan-Datsun >> 1998 >> Sentra Base >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Basic Testing >> Ignition Checks >> DISTRIBUTORLESS Ignition (EI) System >> Ignition Coil Power Source & Ground
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Ignition Coil Power Source & Ground

  1. Disconnect 3-pin ignition coil harness connector. Turn ignition on. Measure voltage between ground and terminal No. 1 (Red wire) at ignition coil harness connector.
  2. If voltage is present, go to next step. If voltage is not present, check continuity of entire circuit between battery and ignition coil, including fusible link and ignition switch. See POWER DISTRIBUTION section in SYSTEM WIRING DIAGRAMS article.
  3. Turn ignition off. Check continuity between ground and ignition coil connector terminal No. 2 (Black wire). If continuity does not exist, repair ground circuit between ignition coil connector and ground. Repeat test for remaining coils.
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