1.1 Electronic Ignition System

The basic ignition system used on vehicles covered by this manual is a transistorized coil ignition with Hall sender (TCI-h), as shown in Fig. 1-1. The Hall sender in the distributor is the electronic equivalent of breaker points, but it has no moving parts and does not wear out. The ignition control unit, based on the signal from the Hall sender, switches the 12-volt ignition coil primary circuit to discharge the high-voltage spark. Vacuum and centrifugal advance mechanisms in the distributor adjust the ignition timing in response to engine load and speed.

Fig. 1-1.

Components of basic Transistorized Coil Ignition with Hall sender (TCI-h).