In this video series, we're going to discuss how a GM waste spark ignition system works. I discuss about getting a P0336 code on a 2000 Buick LeSabre which means that the PCM was receiving an incorrect number of pulses on the 18X reference circuit. So, I decided to let's dig into this system and see how it works.
In this first video and the one that follows, I'll be discussing the GM waste spark ignition and how it works. Once you learn this system, you can apply it to any waste spark system on other makes of vehicles such as Ford, Chrysler and others. In the follow-up videos, there will be discussion about the crank and cam signals in how they generate signals using hall-effect sensors. Later, I'll discuss the ignition module and the PCM in how these signals are interpreted by the PCM, modified and sent to the PCM, and how the PCM will send signals back to the ICM to control spark and fuel injection. I'll be setting these videos up so that hopefully, DIY's out there will be able to follow along. Your feedback is welcomed as it helps me to tailor the videos to your liking. Enjoy this video and others to follow.