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Ground Circuit

  1. Turn ignition switch off. Disconnect resistor and condenser harness connector. Disconnect power transistor harness connector. Using ohmmeter, check continuity between ignition coil terminal "b" to resistor and condenser terminal "d", and to power transistor terminal "i". See Fig 1 .
    Fig 1: Checking M30 Ground Circuit
    G90G18750Courtesy of NISSAN MOTOR CORP., U.S.A.
  2. Connect ohmmeter leads between power transistor terminal "h" and ground. See Fig 1 . Continuity should be present on all these terminals. If continuity is not present, check and repair wiring harness or connectors.
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