COIL TEST
- Turn ignition off. Disconnect ignition coil electrical connections. Using a DVOM, measure resistance of primary and secondary coil circuits. Measure primary circuit resistance between battery terminal and terminal for cylinders being checked. (Scheme 76)
- Measure secondary circuit resistance across coil towers. (Scheme 77) See IGNITION COIL RESISTANCE table. If resistance is within specification, ignition coil is okay. If resistance is not within specification, replace ignition coil.
| Application | Primary | Secondary |
|---|---|---|
| 4-Cyl. | .51-.61 | 11,500-13,500 |
IGNITION COIL RESISTANCE - Ohms @ 70-80°F (21-27°C)