Ignition System - NIPPONDENSO Electronic: Description

The Nippondenso electronic ignition system consists of a breakerless distributor, an ignition module, a pick-up coil, ignition coil, and related wiring. Distributor contains a reluctor, breaker plate, and pick-up coil assembly.

Most Toyota models have ignition coil and ignition module mounted on distributor. On Land Cruiser, transistorized ignition module is mounted on ignition coil housing.

Toyota Celica, Cressida, Supra, MR2, Van, Pickup and 4Runner models use Electronic Spark Advance (ESA). The ESA system uses a computer to control ignition timing. All other models contain conventional centrifugal and vacuum advance mechanisms.