Ignition Coil Test
- Turn ignition off. Disconnect ignition coil 4-pin connector. Measure primary winding resistance between ignition coil connector terminals No. 2 (Black/Yellow wire) and No. 3 (Green wire). Resistance should be .36-.44 ohm at 68°F (20°C). See Fig 1.
- Measure secondary winding resistance between ignition coil connector middle terminal No. 2 (Black/Yellow wire) and secondary terminal (coil tower). Resistance should be 10,800-16,200 ohms at 68°F (20°C).
- Measure resistance between ignition coil connector terminals No. 3 (Green wire) and No. 4 (Blue wire). Replace coil if resistance is not within specification. If resistance is as specified, check for continuity between ignition coil terminals No. 1 (Black/Yellow wire) and No. 2 (Black/Yellow wire). If continuity does not exist, replace ignition coil.
Courtesy of AMERICAN HONDA MOTOR CO., INC.