Ignition Coil Resistance
- Remove distributor cap. Remove 2 Phillips screws retaining primary ignition leads. 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 .3-.5 ohms at room temperature.
- Check secondary resistance between terminal "A" and secondary output terminal (coil tower). Resistance should be 9440-14,160 ohms at room temperature. Replace coil if readings were not within specification.
Courtesy of AMERICAN HONDA MOTOR CO., INC.