October 30: LEMON manuals on a temporary server, it is slow and having issues, download the manuals you need! Later in November we will switch back to the fast server.

Ignition System - NIPPONDENSO Electronic: Operation

On I-TEC systems, the Electronic Control Unit (ECU) is pre-programmed with data for optimum ignition timing under any engine operating condition. Using data from engine sensors (RPM, engine temperature, etc.) the ECU triggers ignition system to provide a spark at precisely the right instant. See Figure.