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Ignition Coil Resistance

  1. Turn ignition off. Remove distributor cap. Remove 2 Phillips screws retaining primary ignition leads to ignition coil. Remove primary leads from ignition coil. Using an ohmmeter, check resistance between primary terminals "A" and "B" on ignition coil. See Fig 1 . Resistance should be .6-.8 ohms at room temperature.
  2. Check secondary resistance between terminal "A" and secondary output terminal (coil tower) at room temperature. See IGNITION COIL RESISTANCE  table. If readings are not within specification, replace coil.
    IGNITION COIL RESISTANCE - Ohms@68°F (20°C)

    Application Primary Secondary
    Accord .6-.8 12,800-19,2000
    Fig 1: Ignition Coil Terminal ID
    G117893Courtesy of AMERICAN HONDA MOTOR CO., INC.
    TIMING CONTROL SENSOR USAGE

    Application Sensor/System
    Accord TDC/CRANK/CYL Sensor
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