Ignition Coil: Testing and Inspection

Ignition coil, checking
Secondary resistance, checking

Work sequence

- Remove electrical connections from top of ignition coil





- Connect ohmmeter between terminals 1 and 4 of ignition coil
^ Specification: 5.0 - 9.0 K ohm

If specification NOT OK
- Check for good contact at lower coil connection

If connection OK
- Replace ignition coil

Primary resistance, checking

Work sequence

- Remove electrical connections from top of ignition coil





- Connect ohmmeter between terminals 1 and 15 on ignition coil
^ Specification: 0.5-1.5 ohm

If specification NOT OK
- Replace ignition coil and repeat check