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Home >> Nissan-Datsun >> 2002 >> Sentra SE-R, Standard >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Basic Diagnostic Procedures - 4 CYL & V6 >> Ignition Checks >> DISTRIBUTORLESS Ignition 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. 3 (Red wire on I35, Maxima, Pathfinder and QX4, Green/White wire on Sentra) 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 WIRING DIAGRAMS article.
  3. Turn ignition off. Check continuity between ground and ignition coil connector terminal No. 2 (Black wire). If continuity is not present, repair ground circuit between ignition coil connector and ground. Repeat test for remaining coils.
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