Technician A says that a two-wire COP system uses the PCM to trigger the coil. Technician B says that a three-wire COP system has an ICM built into the coil assembly. Which technician is correct?

Question

Quizplus · Accepted Answer

Both statements are correct. A two-wire Coil-On-Plug (COP) system indeed uses the Powertrain Control Module (PCM) to trigger the coil, while a three-wire COP system typically includes an Ignition Control Module (ICM) within the coil assembly to manage the ignition process.

Technician a Says That a Two-Wire COP System Uses the PCM