Ignition Coil: Testing and Inspection

INSPECT IGNITION COILS

a. Disconnect the high-tension cords from the ignition coils.
b. Disconnect the ignition coil connectors.




c. Using an ohmmeter, measure the primary coil resistance between the positive (+) and negative (-) terminals.

Primary coil resistance
Cold 0.70 - 0.94 Ohms
Hot 0.85 - 1.10 Ohms

If the resistance is not as specified, replace the ignition coil.







Secondary Coil resistance

d. Using an ohmmeter, measure the secondary coil resistance between the positive (+) and high-tension terminal.

Secondary coil resistance: If the resistance is not as specified, replace the ignition coil.

e. Connect the ignition coil connectors.
f. Connect the high-tension cords to the ignition coils.