Operation CHARM: Car repair manuals for everyone.

Ignition Coil(s) Not Operating Properly

TOOLS REQUIRED
J 39200 Digital Multimeter

1. Remove the ignition Coil.

NOTE: Do not insert the J 39200 digital multimeter probe into the ignition coil connectors. The female terminals could be deformed, resulting in intermittent operation. Only make contact with the front edge of the terminals.

Ignition Coil Test:




2. Connect an ohmmeter.
^ Use the high scale.
^ If the reading is not infinite, replace the coil.

Ignition Coil Test:




3. Connect an ohmmeter.
^ Use the low scale.
^ The reading should be 0.1 ohm. If not, replace the coil.




4. Connect an ohmmeter as shown.
^ Use the high scale.
^ If the reading is not 5-25k ohm, replace the coil.