Ignition Coil Test
- Turn the ignition switch OFF, and remove the distributor cap.
- Disconnect the BLK/YEL and WHT/BLK (WHT/BLU for the F23A5 engine) wires from terminals A (+) and B (-) respectively.
Courtesy of AMERICAN HONDA MOTOR CO., INC.
- Using an ohmmeter, measure resistance between the terminals. Replace the coil if the resistance is not within specifications.NOTE: Resistance will vary with the coil temperature; specifications are at 68°F (20°C).
Primary Winding Resistance
(Between the A and B terminals):
- F23A1, F23A4 engines: 0.45-0.55 ohm
- F23A5 engine: 0.63-0.77 ohm
Secondary Winding Resistance
(Between the A and Secondary Winding terminals):
- F23A1, F23A4 engines: 16.8-25.2 k ohm
- F23A5 engine: 12.8-19.2 k ohm