Tip - How to Replace the Ignition Coil in a Nissan Sentra | eHow

The Nissian Sentra with a 3.0L engine incorporates a distributorless ignition system (DIS). Models with a 1.6L, 2.0L or a 2.4L engine rely on a distributor ignition system (DI). In both systems, the ignition coil converts the low-voltage battery power to the high-voltage spark that triggers the spark plugs to cause combustion.